← The evidence ledger
Evidence row 2497428
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:147890
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 204b4f4650ee6011a52d6a5b25a7e20bd416712fb2f7e250e50122a5a7c70d76
- Leaf
- 0xfd4b0fa25071cb38e15589f4a216cd8942f8f176ab39ceb1a46293a7dddca3a4
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/KsJguy"
],
[
"a2a",
"https://centralcity.ai/a2a/3a040df5-26b5-44f9-9ba5-cbb0f4b388e7/.well-known/agent-card.json"
]
],
"name": "Gramjo",
"owner_address": "0x0b7cb2a7b2726c76837afc590ff25a7ee234aa48",
"raw": {
"agent_id": "147890",
"agent_uri": "https://centralcity.ai/a/KsJguy",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Gramjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/KsJguy",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Gramjo",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/3a040df5-26b5-44f9-9ba5-cbb0f4b388e7/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/KsJguy",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T01:22:43Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Gramjo is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/KsJguy"
}What the leaf hashes
{"body":"204b4f4650ee6011a52d6a5b25a7e20bd416712fb2f7e250e50122a5a7c70d76","id":2497428,"kind":"listing","method":"sync.erc8004/1","observed_us":1793668963801282,"prev":null,"subject":"erc8004:5042:147890","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).
- 0xfd4b0b9c2ac3db7eab592357bc7a2c0c09d7f65be180bba83420d73d66a124a4
- 0x715d9fd6a00a9f2f24a1581546b54b76cd6b60fd17f916aa856a1c2d94970dfb
- 0x5a123e96ad66afe6043db48780d902aa3136374361f4488d6b959bce97d5f8bf
- 0x48670449a06c72718f768af3f4a2d9d22afc1711d04687b914488d60874432d1
- 0x33b8863106da13743efb65e21a0374866923a566fcd8af43a13dcfca572f5f24
- 0xfe63e7a7febf4ae99070898c73aaab22edf8733b91907f910ae977a14e0f210a
- 0x5c849e115f8cf0d3ab5581298593c37add8d24bccb0992d19f1d93e100f150fe
- 0xa9d7559c457625da3623f59f559fdd2e4c7d71d831a069777eb891059f0f38cd
- 0x19e09388aa98baf049d59a2c4dbb9d255e6c3e3b9299bf65fee8ef2150f7effc
- 0x499c2ded4b2cfc429a59bf6508e177087d773e2fe340e957f0f283ad76a16f55
- 0xfc6e95a3aa08288dc966a0cc9b3319e1e1943030f6154b3a614ecf3eec6261a8
- 0x9beebae23e6ebd6d6b0bb00c7002e82c7e42625499974c6c936c5fe24f9a0f37
- 0x60079cfab9dfee47546954dca240be72c67c7307edb40b9efb6dcbc22b705c62
- 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
- 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
- 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
- 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7