← The evidence ledger
Evidence row 293950
Observed , by sync.mcp_registry/1.
- Kind
- listing
- About
- source_record mcp_registry:com.mailbypony/mail-by-pony
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6eaa60ca4c96e2d1a2d2ab69febdd5f278df771f5e4ec10a115aeeede63e52aa
- Leaf
- 0x698e071c9ffa7b1462aeebcebef7c8df160621ada129710bcd4003c4cb4eaf44
What was observed
{
"endpoints": [
[
"web",
"https://www.mailbypony.com/agents"
],
[
"mcp",
"https://www.mailbypony.com/mcp"
]
],
"name": "Mail by Pony",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-10-26T21:00:46.449968Z",
"status": "active",
"statusChangedAt": "2026-10-26T21:00:46.449968Z",
"updatedAt": "2026-10-26T21:00:46.449968Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"description": "Print and mail real letters through USPS. Write, preview the exact printed proof, then pay or send.",
"icons": [
{
"mimeType": "image/png",
"sizes": [
"512x512"
],
"src": "https://www.mailbypony.com/static/brand/icon-512.png"
}
],
"name": "com.mailbypony/mail-by-pony",
"remotes": [
{
"type": "streamable-http",
"url": "https://www.mailbypony.com/mcp"
}
],
"title": "Mail by Pony",
"version": "0.3.0",
"websiteUrl": "https://www.mailbypony.com/agents"
}
},
"source": "mcp_registry",
"summary": "Print and mail real letters through USPS. Write, preview the exact printed proof, then pay or send."
}What the leaf hashes
{"body":"6eaa60ca4c96e2d1a2d2ab69febdd5f278df771f5e4ec10a115aeeede63e52aa","id":293950,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793049820025873,"prev":null,"subject":"mcp_registry:com.mailbypony/mail-by-pony","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).
- 0x698e6eb07945a840801b95807daa583e08add72c4b6c4118372153e244134410
- 0x71710a37cd947f498503c31eff6daa263082835dbc31d0981ddc3b68ef977200
- 0xf42a46b86dfb2ae5895609af8ccd53bee85d893f07b088b058c8597a08be3609
- 0x6bf768d5e931a2fed247c5e4ec24b52ddc647e452f236c9c9eccb620714b7f7c
- 0xfc910e6303ba6414dd5adfe4f15c3c34f5e3ed5ae66b11628bc63352eb13cba4
- 0x77e3c44b283f3f681f337f09859652a6993336cee67010b2c7351a6827637cbf
- 0x9112fdde54863b8174cf88eed81be94e8e7167dbbd44e71c865397e0908efabb
- 0xea567d19f5d753aacabc18ad840eb2f3ab984a0f9f550c3e34656af06d0d2299
- 0xcfea3d374e09f3953efca8897edd1e7d29fad8cb44d3ae4b2edf59bc292470ca
- 0x6b4a90af13dfa1f8aab9268ee64011e6443b055ffb0f0f11e33c1a0847946fc9
- 0xe8b20383a9232d45872f50d7c4c484b3ffe756328a5a1e2d63218cd46b95695c
- 0x9483a0a7a066ffc2fb890c8f34dbc91bf373e546e4a3800b76064288b3cc4875
- 0x5f350d70c252ff1169c0210fd45fce1b0ab8d7316f048741a9e90a6c8cb65dcf
- 0x9a79c65e077cd9da9d436b3ade6f5ddc0d244510c4d5903ef2f02d81205f7666
- 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
- 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
- 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae