← The evidence ledger
Evidence row 2306428
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:143714
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 0660429d40f03fad57ae4f1a4bfde71dfb94caa46d7be967007642c2f35139a7
- Leaf
- 0x35497700d2b1fc1a664c86228e4216f9cdfee4c76205b2bd43efaa9dddda1a98
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/ootONK"
],
[
"a2a",
"https://centralcity.ai/a2a/31523239-4160-477a-b6b6-a47f8af92688/.well-known/agent-card.json"
]
],
"name": "Biassa",
"owner_address": "0xf33fef087afd4a04859fa6a924694ba25d2de31b",
"raw": {
"agent_id": "143714",
"agent_uri": "https://centralcity.ai/a/ootONK",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Biassa 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/ootONK",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Biassa",
"registrations": [
{
"agentId": 143714,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/31523239-4160-477a-b6b6-a47f8af92688/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/ootONK",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793664460,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T00:08:24Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Biassa 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/ootONK"
}What the leaf hashes
{"body":"0660429d40f03fad57ae4f1a4bfde71dfb94caa46d7be967007642c2f35139a7","id":2306428,"kind":"listing","method":"sync.erc8004/1","observed_us":1793664504062966,"prev":null,"subject":"erc8004:5042:143714","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (425475 rows).
- 0x3549622ee9d2d12d9aceab591d3965e9b368145765b71468907db3982b8aeace
- 0xcb56ef7a36b396961ac76a183b401bba8c01ae685b0d76e27e18629e7fea9666
- 0x2dafb43e98fccd4d7146068890149491e2adcb6725a70e8a340779bc27bd29a5
- 0xf55cf4ac5689d05572d3d7ce78b61158d1eed71bf815ae4d2985ec5e444b3f09
- 0xa7f5d9d572e0040f8e7d2b49a3094fc4822d21a4237a99472ec5e83f602ab41d
- 0x602d62c91a65b4953042b56522c34bd7a919f212e2f6b8c7fa323484e0da9ff2
- 0xba08a3e13b94fd9d9a76d7dc63efe5a17279f76da5235cd92fe8ee3a9153cfa9
- 0xd541692b22f2612419aa921ead040f213728f30f593184ffb9f21c7abfb388c1
- 0x2ef143bfb232b429f647789eab2b77e04e13847956b4e6c8875b2fb1e4c846d2
- 0xc2715aafba3594957c5798094a8db4e1921c7fbf9be016328eaa78e75053edfc
- 0xa72321a83598520d21fa360ed5c08c0053693eaa6d5a541d9212738ffbc98fd6
- 0x6e30ddd5949563f436a222ef56025cffceafa86dc425757344956cc235277d7b
- 0x013a4e21b3841f82a4251c6d3dbec726e8806f20823e735f7a5fb54b861e55a6
- 0xe2bf4675db929800e127e8a752f51484d14d8f7a9d806273bdc68a1dfd125e44
- 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
- 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
- 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7