addrbookFor publishers
← The evidence ledger

Evidence row 25224

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.A2A-Peptides/a2a-peptides
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
ddd58123ebcd800452a97e429a3244909b462091ab23692e0e4ebcb9c355e3fe
Leaf
0x8c4197f07d4dbecfa9d5b7601d8097eafd84a29e18ebda141d6f46b9aed7d5ef

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://mcp.a2a-peptides.ai/mcp"
    ],
    [
      "web",
      "https://a2a-peptides.ai/"
    ]
  ],
  "name": "A2A Peptides",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-19T19:48:34.850818Z",
        "status": "active",
        "statusChangedAt": "2026-09-19T19:48:34.850818Z",
        "updatedAt": "2026-09-19T19:48:34.850818Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://a2a-peptides.ai/icon.svg",
          "theme": "light"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://a2a-peptides.ai/icon-512.png",
          "theme": "light"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://a2a-peptides.ai/icon-512-dark.png",
          "theme": "dark"
        }
      ],
      "name": "io.github.A2A-Peptides/a2a-peptides",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.a2a-peptides.ai/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/A2A-Peptides/A2A-Peptides"
      },
      "title": "A2A Peptides",
      "version": "1.6.7",
      "websiteUrl": "https://a2a-peptides.ai"
    }
  },
  "source": "mcp_registry",
  "summary": "Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides."
}

What the leaf hashes

{"body":"ddd58123ebcd800452a97e429a3244909b462091ab23692e0e4ebcb9c355e3fe","id":25224,"kind":"listing","method":"baseline/1","observed_us":1793025354348785,"prev":null,"subject":"mcp_registry:io.github.A2A-Peptides/a2a-peptides","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).

  1. 0x8c42a04719976703b9cd8837811fc7820c4c300e3dcff5b1ce68ae3b80c93c45
  2. 0xbd27a6d555bc8e36f6bdbb124acb8c2394dd942e95381f8c4534f22e65b435c6
  3. 0x5eaa4f183e83cdecd296f26fded387c008eff618cbd2520ba7b5c206c4d8c116
  4. 0xa77cdc0e05815ad32c851a6328db1ee043816a8c282e15060f96ccbde9eba4dc
  5. 0xe01d37020322ee65a26fce344171a57c2cf465f7ee16bac9a0680328fc7e8b27
  6. 0x57e8d488499f7d614cfe2ec63197d0079db08686cac7fbe39572694e2449a183
  7. 0x218b0654771748650d80f7ee4d45ef8dde1951e9a2d54677e8b80977576065b0
  8. 0x696af01180a57bc5cf2bd010e83796ec6871344fa987336d8139fcc51aa377de
  9. 0x6573f8056df2c62589b87d71ae7c8a6fcb4448cce7230c6b02f03eee6966fb0b
  10. 0xf37a2a30f04ffcfc24f46f4209ea65386afe8bdf9c467b02689e621d61bebaf5
  11. 0xc0c39d9d8be0b7d600d3badab7754e326243b0d4eb60c4b5cd965d7d764d1d04
  12. 0xfc86b2282cb8f91e68280efe01f3c50453c94fae2ef04af1a75d4b05d0af2b8f
  13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
  14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON