← The evidence ledger
Evidence row 2524805
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:158264
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 23756ea15650d91dbd2f0cec1c622639716da91a1eda2890ef4db5b0fdbc2e0c
- Leaf
- 0x03b4d865aee528968ce1aa86c9b3410af79f4e5684e3cff9c7a95a81550fdb59
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/gIvLxi"
],
[
"a2a",
"https://centralcity.ai/a2a/f3cdd22a-e786-412c-81f9-ef1506e503d5/.well-known/agent-card.json"
]
],
"name": "Massano",
"owner_address": "0x2a6c4132215432fe9d654b6660ff473a5ba1cdfd",
"raw": {
"agent_id": "158264",
"agent_uri": "https://centralcity.ai/a/gIvLxi",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Massano 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/gIvLxi",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Massano",
"registrations": [
{
"agentId": 158264,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/f3cdd22a-e786-412c-81f9-ef1506e503d5/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/gIvLxi",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793680731,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T04:41:47Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Massano 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/gIvLxi"
}What the leaf hashes
{"body":"23756ea15650d91dbd2f0cec1c622639716da91a1eda2890ef4db5b0fdbc2e0c","id":2524805,"kind":"listing","method":"sync.erc8004/1","observed_us":1793680907460673,"prev":null,"subject":"erc8004:5042:158264","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).
- 0x03b4e47564d3f6dcbcd92f76c261c9a76aa61c9a45ef60f703c8a94deea10941
- 0x433c2703bf1508ce64109c1a4a19a41cbb027d0bb339c53306b902e66f3bf842
- 0xdacce44d5ff4e783a98833dcee99b93d5415b4ac9ff0b643b03ca6f9492f9637
- 0x1e85d4e32e508f6f2eba9fa41f8b6fc547668422d980d8a1dde742257ea3c0ed
- 0x9229726e77430236a82a7b24c75490128d887c8be1dd25ed21296ad1232bfce6
- 0x0028eb217ebeb2ed7c4b575eabb7fd91b80a5308f3949f2005ce84ed0f3ba392
- 0x16dfb8031ed6da758b805c4395b1346a736592d1b546fd170c40a1413d906d29
- 0xca79170938a46595fbf5a89f4f8d0c00e5ff9100a9edd6369c5411a40339fb50
- 0x894a98dffd242edb0d0a98d0876be9983aeba21602a628e879b4a42dbc70197c
- 0x4985cba4ab436894d4c55af7a208e2bc02e6421165e8dae1292a4ef99f7f0017
- 0x98c57156953ca2db7b65819c7494adcf73ca48156a6e66139bc9795ee9812551
- 0xb614dc9e16c21dfd0d2ac9f897b39c519371756df4d7b8975c6ea7569f0d340f
- 0xaec437d1d1c6ff6e0f177901126ae489eb66919a42d50ffe51bf6fdce48420d9
- 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
- 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
- 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
- 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7