← The evidence ledger
Evidence row 2164406
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:107915
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 343117f1535fcb1ef5b3df6a05a262c3fb50d63b5a56c78ba3fcc4e8a4ba4c1b
- Leaf
- 0xa0e8dca99800b9ac49c08b7f7773913891d895819e4c43378a38c20ac57561d7
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/PU32b0"
],
[
"a2a",
"https://centralcity.ai/a2a/909dd0a5-feae-4676-a80e-04e0b0e9b08b/.well-known/agent-card.json"
]
],
"name": "Grama",
"owner_address": "0xad2bce800e103a9629c2229195ac84ca79f53252",
"raw": {
"agent_id": "107915",
"agent_uri": "https://centralcity.ai/a/PU32b0",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Grama 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/PU32b0",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Grama",
"registrations": [
{
"agentId": 107915,
"agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/909dd0a5-feae-4676-a80e-04e0b0e9b08b/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/PU32b0",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"updatedAt": 1793633153,
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-02T15:26:32Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Grama 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/PU32b0"
}What the leaf hashes
{"body":"343117f1535fcb1ef5b3df6a05a262c3fb50d63b5a56c78ba3fcc4e8a4ba4c1b","id":2164406,"kind":"listing","method":"sync.erc8004/1","observed_us":1793633192607045,"prev":null,"subject":"erc8004:5042:107915","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).
- 0xa0e8e67236a9484b4f35ead218e295403b8e13cce14e750f60a884b731e9995e
- 0x6d41e138e0fd3af89b0004f7a9598f1e7080c7d73c9bf7bb12f5a496ce6f4eeb
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- 0x3a6151936a85b0445763b6c67157c223296afd78f2cbe02dc32cc717199c9476
- 0x95f2e77e8eb2fdf58d6f2ba8e377ba343962ef5238172b457da6216a2c33368e
- 0x7088104893a2db036675f989a0b5aa640e54013f5e8c5a48831289641e2c0acc
- 0x3ac8a905fb674641c3a1fc8fca186abe93ff9b3607d17d5000b8c45cc6378150
- 0x0537b4e34cc0e269ae191877d501566ddb820ceb5417df2e04ed422b4f7c9961
- 0xf25c468174e66715648e34cc4dfa0cde14719d655048b18fa5f3eda96462938b
- 0x8f1f7637021f09d4703ae2b5b51aa1dec16215e2242165a2f79ca4bfc6608ef8
- 0xfb0396b61dff12da0e6e7622f40f5021c382c575df1f65c9468cbf7a72c8f8fc
- 0xc7ff2516151ce4262a575ce2e228e9c674806720a6f837e7c4b223a7c393c916
- 0x0503999a04120486c11b5e359e441fd5221b6b3e14bbdcfd7b1b4e8cbc5077ce
- 0x44d08992eb52b7db0b3504ba234d634742d61c21889da1eb00242ce07e97334b
- 0x7abf7290721a0b95be706db03c09de9df65bcba8e18ffe4616da43d9c31d6b0a
- 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
- 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
- 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
- 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af