Evidence row 451477

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://stampthisfile.com/v1/stamps"
    ]
  ],
  "name": "stampthisfile.com",
  "owner_address": null,
  "raw": {
    "caip2_networks": [
      "eip155:8453"
    ],
    "category": "",
    "description": "",
    "domain": "stampthisfile.com",
    "endpoints": [
      {
        "description": "Timestamp SHA-256 hashes in Bitcoin with OpenTimestamps: returns a standard .ots proof per hash (pending, complete within hours), verifiable without us",
        "method": "POST",
        "parameters": [
          {
            "default": null,
            "description": "",
            "enumValues": [],
            "example": [],
            "group": "body",
            "name": "hashes",
            "required": false,
            "type": "array"
          }
        ],
        "pricing": {
          "amount": "0.05",
          "currency": "USDC",
          "maxAmount": "",
          "minAmount": "",
          "network": "eip155:8453",
          "scheme": "exact"
        },
        "providerName": "",
        "quality": {
          "l30DaysTotalCalls": "3",
          "l30DaysUniquePayers": "3"
        },
        "serviceName": "stampthisfile",
        "tags": [
          "timestamp",
          "opentimestamps",
          "bitcoin",
          "proof-of-existence",
          "hash"
        ],
        "url": "https://stampthisfile.com/v1/stamps"
      }
    ],
    "enriched": false,
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1792529635/bazaar-icons/19fe92af849b00dd.png",
    "id": "stampthisfile-com",
    "integrationType": "",
    "isNew": false,
    "name": "stampthisfile.com",
    "networks": [
      "Base"
    ],
    "priceSummary": {
      "avgCostBasis": "exact",
      "avgCostPerTransaction": "0.05",
      "currency": "USDC",
      "maxAmount": "0.05",
      "minAmount": "0.05"
    },
    "provider": "stampthisfile.com",
    "providerUrl": "",
    "serviceName": "stampthisfile",
    "tags": [
      "timestamp",
      "opentimestamps",
      "bitcoin",
      "proof-of-existence",
      "hash"
    ]
  },
  "source": "agentic_market",
  "summary": ""
}

What the leaf hashes

{"body":"0e15dc368d5c2b153b4900f55cdba2a7c0ab40af3f17c79795a81dcd5d293b2d","id":451477,"kind":"listing","method":"sync.agentic_market/1","observed_us":1793100499829235,"prev":418471,"subject":"agentic_market:stampthisfile-com","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x310eee6879c1b9688e711cbfb2e28b756dd89722189a9cfc305d66c18d858f31
2. 0xc469eb9b1d10d4a0591a15bebda911c8286ba036b16e50f0616b51e5e3e4ef43
3. 0xba9991ae4972c4fd547b583a95c348c0cddcb1baaeeb97f7fab31b97154343b5
4. 0x50d274730889c6a3729fac97036f2846928177decc2a225f56f1f82fa1da405d
5. 0x9c428d51cc677f634f8b1013699105c7f7568c791dbf38432d12b00df482bdcc
6. 0xcd40469445ea943107fc31ad678fa19c001651c8877e85bce09882475e6e0498
7. 0xaed852128dbff8079472270418479fbf09c5244f3b0c3cc9e747561df90b6729
8. 0x150e4369c52b8b0ba8b7370ea6c24f82b32fd400e6698f75d3a6de113f28b523
9. 0x5c69dca17b21ae9b25fe8090bab209d40452bc8c14b5c1197472d2a5d191efcd
10. 0xc8070fdf0271849e5b320e86edfe300a862df8c85ad736539613aaafc877ca82
11. 0xa332aeedb5946e98183c6766ade34702b2bc8d9c73c47322780a8efc2e2a00bf
12. 0xc1b7c34b53a9fe9ca442a6957dc84259e1950987b7271aef733cbdcf0322901e
13. 0x2a25cd9926d8f2ef4726fd2a80f77b1ca202b6c3ca56aeb2f520555c93efd434
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4