← The evidence ledger
Evidence row 1055417
Observed , by sync.mcp_registry/1.
- Kind
- listing
- About
- source_record mcp_registry:io.github.jessejohnsohn/corium21
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 3e49970bcfa88927371cf234e88b8135478c8f602e90bc8e3c913b6d57328430
- Leaf
- 0xc0bed448c98aa8e47f1dbac4bad0ab0a567ea73c6189ba825df4760821b57953
What was observed
{
"endpoints": [
[
"web",
"https://corium21.com/"
],
[
"mcp",
"https://mcp.corium21.com/mcp"
]
],
"name": "Corium 21 Skin Tools",
"owner_address": null,
"raw": {
"_meta": {
"io.modelcontextprotocol.registry/official": {
"isLatest": true,
"publishedAt": "2026-10-29T22:46:36.781013Z",
"status": "active",
"statusChangedAt": "2026-10-29T22:46:36.781013Z",
"updatedAt": "2026-10-29T22:46:36.781013Z"
}
},
"server": {
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"description": "Decode skincare ingredient labels (1% line, % ranges, what each does) and get US dry skin forecasts.",
"name": "io.github.jessejohnsohn/corium21",
"remotes": [
{
"type": "streamable-http",
"url": "https://mcp.corium21.com/mcp"
}
],
"title": "Corium 21 Skin Tools",
"version": "1.0.0",
"websiteUrl": "https://corium21.com"
}
},
"source": "mcp_registry",
"summary": "Decode skincare ingredient labels (1% line, % ranges, what each does) and get US dry skin forecasts."
}What the leaf hashes
{"body":"3e49970bcfa88927371cf234e88b8135478c8f602e90bc8e3c913b6d57328430","id":1055417,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793315687306585,"prev":null,"subject":"mcp_registry:io.github.jessejohnsohn/corium21","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (242798 rows).
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- 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785
- Day root
- 0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c
- Chained
- 0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6
- Published
- On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1