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Evidence row 2290545

Observed , by sync.erc8004/1.

Kind
listing
About
source_record erc8004:5042:137587
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
fe9d5e830e7c8c5700ab53417fcf648a59ddf8d46ce44c10891e4321b857822a
Leaf
0x1e6e5a453741346528fa6b253db89d13073571ea08ff8d266e8da8e6ede5a6aa

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/1MLd4Q"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cca2f298-9d25-4ea3-aa33-0234b41e83f0/.well-known/agent-card.json"
    ]
  ],
  "name": "Maumpeon",
  "owner_address": "0x83f1cb4135848329198f352947c317916e433e5f",
  "raw": {
    "agent_id": "137587",
    "agent_uri": "https://centralcity.ai/a/1MLd4Q",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maumpeon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/1MLd4Q",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maumpeon",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cca2f298-9d25-4ea3-aa33-0234b41e83f0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/1MLd4Q",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T22:20:06Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maumpeon is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/1MLd4Q"
}

What the leaf hashes

{"body":"fe9d5e830e7c8c5700ab53417fcf648a59ddf8d46ce44c10891e4321b857822a","id":2290545,"kind":"listing","method":"sync.erc8004/1","observed_us":1793658006388701,"prev":null,"subject":"erc8004:5042:137587","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x1e6e5ad1cf08a62ecfbe627e0c16a4af403f735e37d1a1884601aea6dd336077
  2. 0xcda1628f665281d4ac9d6d9621033d33d3008bc58fcabc0da54b27f5356f20c9
  3. 0x30fae434acbf09c2385a73e02ca656ee967cbd118d7d4e0b11d73f57da01b796
  4. 0x72e4bda4ccdc0a78e226393f53b71730b39075c58c1ec2cd6db7d52c95a32a50
  5. 0x720bbcaf2c18703e5352ece03782985dc456c029eabe2734d75063a0efb43603
  6. 0xc0303ff1e959d43a6df35fae68d45a27998071b5ccfe18fec0002216fc91e08d
  7. 0xc773d1df8fa32456a3bd10f4a6e348c349b1d449cbeba52ee46404502801c311
  8. 0x9d4f62e7afa78f6c344482d0383a0df49e386a2cc51c989a981b328dec7ca1bf
  9. 0x89625f90fda141ce1ffe8fd2263a0604be6b4bfd571b64c02d19dc9c90d542b5
  10. 0x3e6cf8cc108073f4a0be5649f010b670217b9da6cfd7113f5c13e04dc3c51c1e
  11. 0x2d180b6ba9c2bf86f17edb453f02057ab623c8756029135a841c96d8b24819a5
  12. 0x189fb19645767b3fb6a2034ac4caa97d2f85b8b18f05cfaa0c2b16c045c37f2d
  13. 0xd6cbf3765149b25eba4e10fe21fd5993687ecdd3cb9c495f97c3c148afee08ed
  14. 0xc63937235d47ff2107de3051477e395be67b96d91d1349c787bf4b1ef91b602f
  15. 0xcd21ec8d72a18a2d4513e4fd309abbb530810fb1dbeecd4b9b85acb4d6ff8f12
  16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
  17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON