Pith Number

pith:ST42QA45

pith:2026:ST42QA455YOX3JJSCRW3QZ5CPH

not attested not anchored not stored refs pending

A Methodology for Auditable Trustworthiness Levels in AI Lifecycle Governance

Andrea Ferrario

arxiv:2607.16130 v1 · 2026-07-17 · cs.CY · cs.AI · cs.SY · eess.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ST42QA455YOX3JJSCRW3QZ5CPH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-20T02:19:34.936823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94f9a8039dee1d7da532146db867a279c0384bf8ac068eae0b47163881e619a4

Aliases

arxiv: 2607.16130 · arxiv_version: 2607.16130v1 · doi: 10.48550/arxiv.2607.16130 · pith_short_12: ST42QA455YOX · pith_short_16: ST42QA455YOX3JJS · pith_short_8: ST42QA45

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ST42QA455YOX3JJSCRW3QZ5CPH \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 94f9a8039dee1d7da532146db867a279c0384bf8ac068eae0b47163881e619a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3d76adfb1d64db3a8d946892e04f027ce8c8e8ffcf2ca5b362b2d0fd05dfa4e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-07-17T17:11:22Z",
    "title_canon_sha256": "148565bd555f29ae0b823a2db16464f0a690b90600a73ce94f4de3bc9dcc3a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16130",
    "kind": "arxiv",
    "version": 1
  }
}