← The evidence ledger
Evidence row 2081084
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:72042
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- f2684d7607e8a35910f2f4b1d2a7ed0087ccc2b06e05ab131384f1dfc9324a7f
- Leaf
- 0x9205c50fe5e15dd61bfac26c4d4f11663925495d2968af329f5a8d3aacd48525
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/9TIH17"
],
[
"a2a",
"https://centralcity.ai/a2a/551c0966-63e0-405c-8b85-eb3eac86ab98/.well-known/agent-card.json"
]
],
"name": "Biozano",
"owner_address": "0x5058863d9758e005a3d2a873c898a7b12ff616be",
"raw": {
"agent_id": "72042",
"agent_uri": "https://centralcity.ai/a/9TIH17",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biozano is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/9TIH17",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biozano",
"registrations": [
{
"agentId": 72042,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/551c0966-63e0-405c-8b85-eb3eac86ab98/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/9TIH17",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793603168,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T07:10:48Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biozano is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/9TIH17"
}What the leaf hashes
{"body":"f2684d7607e8a35910f2f4b1d2a7ed0087ccc2b06e05ab131384f1dfc9324a7f","id":2081084,"kind":"listing","method":"sync.erc8004/1","observed_us":1793603448405329,"prev":null,"subject":"erc8004:5042:72042","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).
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- 0x18d1b068a68b77e877bd051c2b429d427d5bd0fe1cd6799049eceb99101ed731
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- 0x35e0cb49dd6daf9e145f543a28b080353b9cec45f3632e21f6bc38c83eb17fb7
- 0xf70834953f99eb54a7176f2ccb226cfa6d02a8468a838375112884b583efaf67
- 0xea3e567fc214648f28a0303dd1820787a46afb204b29801ec3cbd67e8c1a1c7d
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- 0x8cc48713645f155a0a0c508a9e54c2f25ce8d546f3f24fc662664a9cd13cafaa
- 0x84cdaa6e50db6f63b9e9f2a73d5ae2cb49ddcff4f09202fc9b1cdac86763e72f
- 0xd756a44b3038ff0c0524eec8e134fb5ffbe1464a42757b4f12e15355e5ab2c3f
- 0x680e2eb544f0b0d7118b76ffef0a533f49c97860e3c70eaa1d07167760b4968c
- 0x3f15e4f2fd3ab4091e7284edf8bfed23163b8ef6b0c8fdbd458a498a9bb35a32
- 0x5d92631d189bd0292c27a05f85a5ec38ec5f4197dfe4660eb991dc6a511e25a6
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
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- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af