← The evidence ledger
Evidence row 482404
Observed , by sync.mcp_registry/1.
- Kind
- listing
- About
- source_record mcp_registry:com.plumbregistry/directory
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3ab672926ed9c9b4cf07f46ba315cced8fc8dd077670abe710c3e0433a56fc84
- Leaf
- 0xa593e50053adf3985f2851baba0609cef0ed7a6e50915e30dd66229de6139fba
What was observed
{
"endpoints": [
[
"mcp",
"https://plumbregistry.com/mcp"
],
[
"web",
"https://plumbregistry.com/tools/ai-agents/"
]
],
"name": "Plumb Registry",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-10-27T12:36:53.878257Z",
"status": "active",
"statusChangedAt": "2026-10-27T12:36:53.878257Z",
"updatedAt": "2026-10-27T12:36:53.878257Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"description": "Search and verify fire protection contractor licenses (TX SFMO, CA CSLB C-16) from state records.",
"name": "com.plumbregistry/directory",
"remotes": [
{
"type": "streamable-http",
"url": "https://plumbregistry.com/mcp"
}
],
"title": "Plumb Registry",
"version": "1.0.0",
"websiteUrl": "https://plumbregistry.com/tools/ai-agents/"
}
},
"source": "mcp_registry",
"summary": "Search and verify fire protection contractor licenses (TX SFMO, CA CSLB C-16) from state records."
}What the leaf hashes
{"body":"3ab672926ed9c9b4cf07f46ba315cced8fc8dd077670abe710c3e0433a56fc84","id":482404,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793107738685575,"prev":null,"subject":"mcp_registry:com.plumbregistry/directory","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).
- 0xa594076c6659f36d9e356bea091055832bb815ab0d6503f63e4ff307a3d2817d
- 0x9bf5b8cf33d1ba5c423682c6279b88dfbe5363ebee970b07f94e537f24d54681
- 0x562112d00390474a674f1abdba7bfa59317be0e3b9dd2e9009cab215638f7062
- 0x833667f16cb1eb86ac8d3ee3896d004028bcff3cb25dd7d374a2f65d50243631
- 0x74ed58382f941e226e90f382a97ba2b84604701d6cd0bcbd7a488d9b2fe6a16e
- 0x84ea08358d2628a0933cc20bd4b76af612c386217b820de64c6cb928be72bd92
- 0x9d0fe0a96cd435e896769c5b7eacf609bdb1443d60c615dffd24e0057a93223b
- 0xe5e17ab362f1b56085b70a572359eaa8f4b12fc361f08da40073923f4297a917
- 0xd74a5c1879383f6e4351bdd6bf820f9f13bc091ccd5c8b483ab2fc5f9f5f50f1
- 0x99eecac57123d9ae94240e923031e14d88325c55b0ede1b3cfa92914ef9e1293
- 0x034cc06723268ab88a0185a8a88debb3a8fa6b85f9f28c3208420f7ab19160f8
- 0x98f564dcc2f0d0fd67cbc3a17211687e12a4becc9b9c47ef78c02ff7431b734a
- 0xb37156a04839055daed26674da38864f8dae598cab9742c6fb3e74eb3178f2d4
- 0x0644f7e2a4b5bf9b66f185cc3fbb766d456ad94490183852f4c6db5855114cc5
- 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
- 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
- 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
- 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
- 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
- Day root
- 0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
- Chained
- 0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
- Published
- On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4