{
  "title": "Historical conversion and payment attribution — selected observation data",
  "research_date": "2026-10-17",
  "purpose": "Reader-safe selection from the paired research, not a complete transaction receipt, trace, current-state feed or all-in cost ledger.",
  "event": {
    "chain_id": 1,
    "state_block": 26138499,
    "block_hash": "0x8acddde1c22cd52a4a3521cfaa05e64d7c2bc834e6456ec8e17ce1fc5a6862f1",
    "block_timestamp": 1791351875,
    "event_time_utc": "2026-10-07T05:44:35+00:00",
    "transaction_hash": "0x65262caf428ff6865c63b76f6c094ee7c7a70a72a213e5df78f651e5127f012b",
    "transaction_index": 162
  },
  "addresses": {
    "account": "0xea1776733cc969df4ff004a9e1a2d87f5b60add4",
    "routing_address": "0x8f10b468b06c6fd214b65f87778827f7d113f996",
    "first_recipient": "0x9b6f014ba4df10871302cb1a781ab1c423bca9ed",
    "psm": "0xf6e72db5454dd049d0788e411b06cfaf16853042",
    "converter": "0x3225737a9bbb6473cb4a45b7244aca2befdb276a",
    "pool_manager": "0x000000000004444c5dc75cb358380d2e3de08a90",
    "dai": "0x6b175474e89094c44da98b954eedeac495271d0f",
    "usds": "0xdc035d45d973e3ec169d2276ddab16f1e407384f",
    "usdt": "0xdac17f958d2ee523a2206206994597c13d831ec7",
    "usdc": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
  },
  "amounts": {
    "temporary_principal_usdc": "10000",
    "psm_gem_units_usdc": "10000",
    "psm_dai_delivered": "10000",
    "converter_dai_input": "10000.000000180475496719",
    "converter_usds_output": "10000.000000180475496719",
    "usds_settlement_input": "10000.000000180475496719",
    "extra_dai_source_unattributed": "0.000000180475496719",
    "extra_dai_base_units": "180475496719",
    "pool_manager_usdt_output": "10001.640594",
    "borrower_usdt_receipt": "10001.640594",
    "borrower_own_usdt_debt_service": "4.688632",
    "original_reserve_usdt_payment": "10006.329226",
    "new_persistent_usdc_principal": "10000",
    "temporary_usdc_principal_returned": "10000"
  },
  "expense_fields": {
    "psm_event_fee_dai": "0",
    "swap_event_rate_field": "6",
    "swap_rate_unit": "hundredths of a basis point",
    "swap_rate_parts_per_million": "6",
    "swap_rate_percent": "0.0006",
    "swap_rate_basis_points": "0.06",
    "separately_itemized_swap_fee": null,
    "gas_paid": null,
    "gas_payer": null,
    "sponsor": null,
    "reimbursement": null,
    "complete_net_cost": null,
    "own_usdt_is_fee": false,
    "own_debt_service_principal_interest_allocation": null
  },
  "historical_asset_identities": [
    {
      "target": "0xf6e72db5454dd049d0788e411b06cfaf16853042",
      "function": "function gem() view returns (address)",
      "requested_state_block": 26138499,
      "outer_head_at_acquisition": 26211082,
      "observed_asset": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
      "returned_hex": "0x000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
      "examination_date": "2026-10-17"
    },
    {
      "target": "0xf6e72db5454dd049d0788e411b06cfaf16853042",
      "function": "function dai() view returns (address)",
      "requested_state_block": 26138499,
      "outer_head_at_acquisition": 26211083,
      "observed_asset": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "returned_hex": "0x0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f",
      "examination_date": "2026-10-17"
    },
    {
      "target": "0x3225737a9bbb6473cb4a45b7244aca2befdb276a",
      "function": "function usds() view returns (address)",
      "requested_state_block": 26138499,
      "outer_head_at_acquisition": 26211084,
      "observed_asset": "0xdc035d45d973e3ec169d2276ddab16f1e407384f",
      "returned_hex": "0x000000000000000000000000dc035d45d973e3ec169d2276ddab16f1e407384f",
      "examination_date": "2026-10-17"
    },
    {
      "target": "0x3225737a9bbb6473cb4a45b7244aca2befdb276a",
      "function": "function dai() view returns (address)",
      "requested_state_block": 26138499,
      "outer_head_at_acquisition": 26211087,
      "observed_asset": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "returned_hex": "0x0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f",
      "examination_date": "2026-10-17"
    }
  ],
  "selected_logs": [
    {
      "meaning": "Temporary loan event; not an additional transfer",
      "evidence_layer": "previously retained",
      "log_index": 1007,
      "emitter": "0xbbbbbbbbbb9cc5e90e3b3af64bdaf62c37eeffcb",
      "topics": [
        "0xc76f1b4fe4396ac07a9fa55a415d4ca430e72651d37d3401f3bed7cb13fc4f12",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4",
        "0x000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000000000000002540be400",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "Temporary USDC principal arrival",
      "evidence_layer": "previously retained",
      "log_index": 1008,
      "emitter": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x000000000000000000000000bbbbbbbbbb9cc5e90e3b3af64bdaf62c37eeffcb",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000000000000002540be400",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "USDC sent to first recipient",
      "evidence_layer": "previously retained",
      "log_index": 1009,
      "emitter": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4",
        "0x0000000000000000000000009b6f014ba4df10871302cb1a781ab1c423bca9ed"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000000000000002540be400",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "DAI delivery from PSM to routing address",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1013,
      "emitter": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x000000000000000000000000f6e72db5454dd049d0788e411b06cfaf16853042",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000021e19e0c9bab2400000",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "PSM SellGem amount and event-specific DAI fee",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1014,
      "emitter": "0xf6e72db5454dd049d0788e411b06cfaf16853042",
      "topics": [
        "0xef75f5a47cc9a929968796ceb84f19e7541617b4577f2c228ea95200e1572081",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000000000000002540be4000000000000000000000000000000000000000000000000000000000000000000",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "Unverified routing-event word correspondence: PSM leg",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1015,
      "emitter": "0x8f10b468b06c6fd214b65f87778827f7d113f996",
      "topics": [
        "0xa6fee24309b1d83d9ec7b9e4dbb73c6f882746efbfb26db7b7d9e9f2fb6dc95a"
      ],
      "data_hex": "0x000000000000000000000000f6e72db5454dd049d0788e411b06cfaf16853042000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb480000000000000000000000006b175474e89094c44da98b954eedeac495271d0f00000000000000000000000000000000000000000000000000000002540be40000000000000000000000000000000000000000000000021e19e0c9bab2400000",
      "abi_scope": "Unnamed routing event; only word correspondence used"
    },
    {
      "meaning": "DAI input to converter",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1016,
      "emitter": "0x6b175474e89094c44da98b954eedeac495271d0f",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996",
        "0x0000000000000000000000003225737a9bbb6473cb4a45b7244aca2befdb276a"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000021e19e0c9e4b76d890f",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "USDS creation to routing address",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1021,
      "emitter": "0xdc035d45d973e3ec169d2276ddab16f1e407384f",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x0000000000000000000000000000000000000000000000000000000000000000",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000021e19e0c9e4b76d890f",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "DaiToUsds equal-quantity conversion",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1023,
      "emitter": "0x3225737a9bbb6473cb4a45b7244aca2befdb276a",
      "topics": [
        "0x23889db6b244d239344deac88ec7781d810b3873fe323939d1ce0e8ac9564235",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000021e19e0c9e4b76d890f",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "Unverified routing-event word correspondence: converter leg",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1024,
      "emitter": "0x8f10b468b06c6fd214b65f87778827f7d113f996",
      "topics": [
        "0xa6fee24309b1d83d9ec7b9e4dbb73c6f882746efbfb26db7b7d9e9f2fb6dc95a"
      ],
      "data_hex": "0x0000000000000000000000003225737a9bbb6473cb4a45b7244aca2befdb276a0000000000000000000000006b175474e89094c44da98b954eedeac495271d0f000000000000000000000000dc035d45d973e3ec169d2276ddab16f1e407384f00000000000000000000000000000000000000000000021e19e0c9e4b76d890f00000000000000000000000000000000000000000000021e19e0c9e4b76d890f",
      "abi_scope": "Unnamed routing event; only word correspondence used"
    },
    {
      "meaning": "USDS settlement input to pool manager",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1025,
      "emitter": "0xdc035d45d973e3ec169d2276ddab16f1e407384f",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996",
        "0x000000000000000000000000000000000004444c5dc75cb358380d2e3de08a90"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000021e19e0c9e4b76d890f",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "Swap signed quantities and rate field",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1026,
      "emitter": "0x000000000004444c5dc75cb358380d2e3de08a90",
      "topics": [
        "0x40e9cecb9f5f1f1c5b9c97dec2917b7ee92e57ba5563708daca94dd84ad7112f",
        "0x3b1b1f2e775a6db1664f8e7d59ad568605ea2406312c11aef03146c0cf89d5b9",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996"
      ],
      "data_hex": "0x000000000000000000000000000000000000000000000000000000025424ec92fffffffffffffffffffffffffffffffffffffffffffffde1e61f361b489276f100000000000000000000000000000000000f41eb149f65e9e19a48f6c826f03e000000000000000000000000000000000000000000000a97ab38f90b70a9093700000000000000000000000000000000000000000000000000000000000437620000000000000000000000000000000000000000000000000000000000000006",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "USDT output to routing address",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1027,
      "emitter": "0xdac17f958d2ee523a2206206994597c13d831ec7",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x000000000000000000000000000000000004444c5dc75cb358380d2e3de08a90",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996"
      ],
      "data_hex": "0x000000000000000000000000000000000000000000000000000000025424ec92",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "Unverified routing-event word correspondence: swap leg",
      "evidence_layer": "examined 17 October 2026",
      "log_index": 1028,
      "emitter": "0x8f10b468b06c6fd214b65f87778827f7d113f996",
      "topics": [
        "0xa6fee24309b1d83d9ec7b9e4dbb73c6f882746efbfb26db7b7d9e9f2fb6dc95a"
      ],
      "data_hex": "0x000000000000000000000000000000000004444c5dc75cb358380d2e3de08a90000000000000000000000000dc035d45d973e3ec169d2276ddab16f1e407384f000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec700000000000000000000000000000000000000000000021e19e0c9e4b76d890f000000000000000000000000000000000000000000000000000000025424ec92",
      "abi_scope": "Unnamed routing event; only word correspondence used"
    },
    {
      "meaning": "USDT receipt by borrower",
      "evidence_layer": "previously retained",
      "log_index": 1029,
      "emitter": "0xdac17f958d2ee523a2206206994597c13d831ec7",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x0000000000000000000000008f10b468b06c6fd214b65f87778827f7d113f996",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4"
      ],
      "data_hex": "0x000000000000000000000000000000000000000000000000000000025424ec92",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "USDT debt-service transfer",
      "evidence_layer": "previously retained",
      "log_index": 1037,
      "emitter": "0xdac17f958d2ee523a2206206994597c13d831ec7",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4",
        "0x00000000000000000000000023878914efe38d27c4d67ab83ed1b93a74d4086a"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000000000000002546c778a",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "Ordinary repayment event",
      "evidence_layer": "previously retained",
      "log_index": 1038,
      "emitter": "0x87870bca3f3fd6335c3f4ce8392d69350b4fa4e2",
      "topics": [
        "0xa534c8dbe71f871f9f3530e97a74601fea17b426cae02e1c5aee42c96c784051",
        "0x000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec7",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000000000000002546c778a0000000000000000000000000000000000000000000000000000000000000000",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "USDC replacement borrowing received",
      "evidence_layer": "previously retained",
      "log_index": 1043,
      "emitter": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x00000000000000000000000098c23e9d8f34fefb1b7bd6a91b7ff122f4e16f5c",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000000000000002540be400",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "Persistent variable USDC borrowing event",
      "evidence_layer": "previously retained",
      "log_index": 1044,
      "emitter": "0x87870bca3f3fd6335c3f4ce8392d69350b4fa4e2",
      "topics": [
        "0xb3d084820fb1a9decffb176436bd02558d15fac9b0ddfed8c465bc7359d7dce0",
        "0x000000000000000000000000a0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4",
        "0x0000000000000000000000000000000000000000000000000000000000000000"
      ],
      "data_hex": "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add400000000000000000000000000000000000000000000000000000002540be40000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000002737935a0315f1799fd4b8",
      "abi_scope": "Fields interpreted in the paired chapter"
    },
    {
      "meaning": "Temporary USDC principal returned",
      "evidence_layer": "previously retained",
      "log_index": 1048,
      "emitter": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
      "topics": [
        "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
        "0x000000000000000000000000ea1776733cc969df4ff004a9e1a2d87f5b60add4",
        "0x000000000000000000000000bbbbbbbbbb9cc5e90e3b3af64bdaf62c37eeffcb"
      ],
      "data_hex": "0x00000000000000000000000000000000000000000000000000000002540be400",
      "abi_scope": "Fields interpreted in the paired chapter"
    }
  ],
  "inherited_account_endpoint": {
    "chain_id": 1,
    "block": 26202255,
    "time_utc": "2026-10-16T02:58:59+00:00",
    "debt_usdt": "5872570.456250",
    "debt_usdc": "10012.220363",
    "health_factor": "1.050458478312570382",
    "refreshed_on_research_date": false
  },
  "history_scope": {
    "indexed_erc20_interval": [
      26141670,
      26202255
    ],
    "requested_blocks": 60586,
    "returned_rows": 0,
    "page_size": 100,
    "has_more": false,
    "independent_completeness_established": false,
    "earlier_ordinary_role_coverage_blocks": 6208,
    "earlier_uncovered_gap_blocks": 54378,
    "new_logs_are_complete_receipt": false,
    "receipt_level_status": null,
    "complete_liquidation_history": null,
    "complete_relevant_token_history": null
  },
  "limits": [
    "The DAI recipient is not necessarily the original USDC payer or beneficial owner.",
    "The initial USDC path into the PSM and extra DAI source are not fully attributed.",
    "Token transitions and duplicate descriptions of a flow are not independent backing or funding resources.",
    "Event-specific zero PSM fee does not identify a current parameter or the exact entry function.",
    "The swap rate is not an itemized expense; observed USDT output is not reduced a second time without a separate liability.",
    "The partial refinance returned temporary principal by creating persistent USDC debt; both surviving denominations matter.",
    "No new whole-account endpoint, final persistent-creditor payoff, complete funded recovery or all-in expenses are established.",
    "Empty indexer results do not establish complete ordinary, liquidation or wallet-transfer history.",
    "Earlier Base, PT and selected-shareholder observations and conditional exceptional safeguards retain their dates."
  ],
  "sources": [
    {
      "title": "Ethereum execution JSON-RPC documentation",
      "url": "https://ethereum.org/developers/docs/apis/json-rpc/",
      "examined_date": "2026-10-17",
      "scope": "Documentary field definitions, not a receipt or an independent history provider."
    },
    {
      "title": "Sky ecosystem DssLitePsm.sol",
      "url": "https://raw.githubusercontent.com/sky-ecosystem/dss-lite-psm/master/src/DssLitePsm.sol",
      "examined_date": "2026-10-17",
      "scope": "As-served public source; no immutable commit or historical runtime correspondence established. Used for event units and recipient/payer distinction only."
    },
    {
      "title": "Sky ecosystem DaiUsds.sol",
      "url": "https://raw.githubusercontent.com/sky-ecosystem/usds/master/src/DaiUsds.sol",
      "examined_date": "2026-10-17",
      "scope": "Public source semantics paired with historical identities and matched transfers, not complete source/deployment assurance."
    },
    {
      "title": "Uniswap v4 IPoolManager interface",
      "url": "https://raw.githubusercontent.com/Uniswap/v4-core/main/src/interfaces/IPoolManager.sol",
      "examined_date": "2026-10-17",
      "scope": "Interface is not a full receipt, historical implementation match, or evidence of all-in transaction expense."
    },
    {
      "title": "Account abstraction v0.7 IEntryPoint interface",
      "url": "https://raw.githubusercontent.com/eth-infinitism/account-abstraction/v0.7.0/contracts/interfaces/IEntryPoint.sol",
      "examined_date": "2026-10-17",
      "scope": "One version-specific event definition; no sponsor, gas payer or full execution model is established for the account."
    },
    {
      "title": "Account abstraction v0.7 release record",
      "url": "https://github.com/eth-infinitism/account-abstraction/releases/tag/v0.7.0",
      "examined_date": "2026-10-17",
      "scope": "Version-specific discovery for one one-block event screen; no whole-account execution-model identification."
    },
    {
      "title": "ERC-4337 account abstraction specification",
      "url": "https://ercs.ethereum.org/ERCS/erc-4337",
      "examined_date": "2026-10-17",
      "scope": "General documentary alternative only. No paymaster, sponsor or reimbursement obligation established for the selected account."
    }
  ]
}