← The evidence ledger
Evidence row 2056468
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:60661
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 8cd40a77c2b5c5b75c8567e91e99b183699eaa15e27dfd95638f91d7c66f29b4
- Leaf
- 0x86afbebf9f4edbc068e4c75f2780969be62bad61e11efbf99ec1e25d43a75007
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/kVdo0d"
],
[
"a2a",
"https://centralcity.ai/a2a/5d0d970f-fbb0-4321-a4c0-b0c3d353048f/.well-known/agent-card.json"
]
],
"name": "Massano",
"owner_address": "0x69443ee51095cb5d92005f5559095dd6e6ff1860",
"raw": {
"agent_id": "60661",
"agent_uri": "https://centralcity.ai/a/kVdo0d",
"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/kVdo0d",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Massano",
"registrations": [
{
"agentId": 60661,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/5d0d970f-fbb0-4321-a4c0-b0c3d353048f/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/kVdo0d",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793593995,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T04:33:36Z",
"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/kVdo0d"
}What the leaf hashes
{"body":"8cd40a77c2b5c5b75c8567e91e99b183699eaa15e27dfd95638f91d7c66f29b4","id":2056468,"kind":"listing","method":"sync.erc8004/1","observed_us":1793594016150210,"prev":null,"subject":"erc8004:5042:60661","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).
- 0x86af8d80d49928f26931e2c3de4bc261679088c9970900e62a3bde745e07b2c5
- 0xb0eaa2dd799bb50f335caacbd0cf1e725ceb55593701d091072520d4d713c16e
- 0x9e9a73a60916c8c1d08dc45b8de92520f4fc2030f94c177a2ce70ec734c8b66e
- 0x59cb216be7ca79c6a305a8c5c81eae6e8eee2c953493e380b2b9b30eb77a0200
- 0xe89cdfd38e6e4f40a74b7eaf667763efe64670bea857cf14f380a70d128dc0b1
- 0xf3f7f2396d51426b8cd6414e3818d9610989b811570c1a30b5accdca243586ad
- 0x6798d57ceab102483a3b38416baade574afd569c4591a284664696127a78aed5
- 0x3c2a136ac42db23b92027ced7461f67cac800c89e03feb47cb60bd4514e9362c
- 0x646aaf4182569e079554fa8f0aa4a51d244d5ec27ae6bcb999f8e386537eda03
- 0x0bd7940a9580bf0f3629ff71959e14aea895e5f69b025f778cd9f07d31e5c6cb
- 0xd808b96ca75f604d9c5d28728ca8c11af9335ab7c9b725014b7022fcce277b23
- 0x459a820f07080c181130d1dd317851777b732f1624df94f4b0d1d3e1f18d30a4
- 0x650762fd3ea664db9c82e9fa57a70645b039ff3d3dda93972e6da6c3b1355d26
- 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
- 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af