← The evidence ledger
Evidence row 46069
Observed , by baseline/1.
- Kind
- listing
- About
- source_record mcp_registry:io.github.pipeworx-io/books
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- d13f1b5a3e34f716d14a8cee863e0ee7ebbd79db9f144032c14be08bb2fd1136
- Leaf
- 0x493c4cfbab0c34e51e26c4c3962bc9dfcde9ee988dc3bc0a744d125638e2600d
What was observed
{
"endpoints": [
[
"mcp",
"https://gateway.pipeworx.io/books/mcp"
],
[
"web",
"https://pipeworx.io/packs/books"
]
],
"name": "Books",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-10-23T22:05:24.779234Z",
"status": "active",
"statusChangedAt": "2026-10-23T22:05:24.779234Z",
"updatedAt": "2026-10-23T22:05:24.779234Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"description": "Books MCP — wraps Open Library API (free, no auth)",
"name": "io.github.pipeworx-io/books",
"remotes": [
{
"type": "streamable-http",
"url": "https://gateway.pipeworx.io/books/mcp"
}
],
"repository": {
"source": "github",
"url": "https://github.com/pipeworx-io/mcp-books"
},
"title": "Books",
"version": "0.1.4",
"websiteUrl": "https://pipeworx.io/packs/books"
}
},
"source": "mcp_registry",
"summary": "Books MCP — wraps Open Library API (free, no auth)"
}What the leaf hashes
{"body":"d13f1b5a3e34f716d14a8cee863e0ee7ebbd79db9f144032c14be08bb2fd1136","id":46069,"kind":"listing","method":"baseline/1","observed_us":1793025407564970,"prev":null,"subject":"mcp_registry:io.github.pipeworx-io/books","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
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- 0xb86fa861d04737cb507e721eefbb066d26528fdb6017b1145c18d1223b93ee21
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- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae