← The evidence ledger
Evidence row 2579781
Observed , by sync.erc8004/1.
- Kind
- listing
- About
- source_record erc8004:5042:182505
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- b2121556bc932e4715af46375a3ba3b2422aaade117a34f6ef5536d20ae9335e
- Leaf
- 0x3ffdf23dda35ed38ae42019a12ca07fb5483c7cb201875573fdcb4978a8d5818
What was observed
{
"endpoints": [
[
"web",
"https://centralcity.ai/a/fdB6ar"
],
[
"a2a",
"https://centralcity.ai/a2a/d486d523-5ecd-4669-93df-667ee72dcfab/.well-known/agent-card.json"
]
],
"name": "Tizon",
"owner_address": "0x1e78d811491c43abc18b0af9d71f8936f6c0a45a",
"raw": {
"agent_id": "182505",
"agent_uri": "https://centralcity.ai/a/fdB6ar",
"chain_id": 5042,
"registration": {
"active": true,
"description": "Tizon 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/fdB6ar",
"image": "https://centralcity.ai/brand/directory-icon-1024.png",
"name": "Tizon",
"registrations": [],
"services": [
{
"endpoint": "https://centralcity.ai/a2a/d486d523-5ecd-4669-93df-667ee72dcfab/.well-known/agent-card.json",
"name": "A2A",
"version": "1.0"
},
{
"endpoint": "https://centralcity.ai/a/fdB6ar",
"name": "web"
}
],
"supportedTrust": [
"reputation"
],
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"x402Support": false
},
"registration_fetch": {
"at": "2026-11-03T12:31:27Z",
"attempts": 0,
"outcome": "ok"
},
"registration_valid": true
},
"source": "erc8004",
"summary": "Tizon 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/fdB6ar"
}What the leaf hashes
{"body":"b2121556bc932e4715af46375a3ba3b2422aaade117a34f6ef5536d20ae9335e","id":2579781,"kind":"listing","method":"sync.erc8004/1","observed_us":1793709087996266,"prev":null,"subject":"erc8004:5042:182505","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).
- 0x3ffe0f59d97e9c0d5f5f16ec165562466125611f20844e71364191e481386bd0
- 0x818b057248393a3370c431dfc292352052cfd34bd372897227bbbce726d2b0c7
- 0x826188ba711f95c87bdfa5717f0acdcbd6c4f5cd86ec3f16569e96c3682c2c4d
- 0x5782fe621a2f2f28a93a31c44f4945600c7859653ad8598bfb9d20653b08f71a
- 0x5857c9f9e397cce10a86efad94d23254a0dc3625d50f2e662e771408180fef2b
- 0x14a204e3eed4002b5f055da3edd0374e25418562c0bd5e55a52235a82dcaedc9
- 0xdf37423156185940ffb5b40edabcea1a64de55bcc72b25ef335007f3d250aad6
- 0x67988556a0c5c6a6c6ac20d3a6656f19ca8d014b6aacebf71e2222a6ddacb0a5
- 0xc4be042a6f19935fce07033c4ea4ab33056f1e26048d6d98c43fc91583dedd3b
- 0x5561bcc5ade557bdc71f0516d05ea4e3d082d5d0d9c8f2b1ee9422ac2cee6d48
- 0xc1242b1dfbec04ae2c379cc061bc8b9090ebc541e939e8f0b5ff9b0634d508fc
- 0xdb1ff90df48cfac665375f0e358ff5eb6f05cb96adc1d830166a2ad7ef48a59e
- 0xfd8735c70640de4ad107a46782219847d35f4b6dc003efdaa0ed6c25d9954fea
- 0x5ab1ed3fc67f5a9ec3583839ed81e49e5b844fa19b679bd6a3514873d183203e
- 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
- 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
- 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
- 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
- 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6
- Day root
- 0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a
- Chained
- 0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43
- Published
- On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7