Pith Number

pith:CGN6YL7X

pith:2021:CGN6YL7XHMLBOLZT67QQ4IUBKF

not attested not anchored not stored refs pending

Bootstrapping confidence in future safety based on past safe operation

Andrey Povyakalo, Lorenzo Strigini, Peter Bishop

arxiv:2110.10718 v1 · 2021-10-20 · cs.AI · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CGN6YL7XHMLBOLZT67QQ4IUBKF}

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	2026-07-05T03:24:20.505628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

119bec2ff73b16172f33f7e10e228151721f5886b4672890f03fd3b121dc65f7

Aliases

arxiv: 2110.10718 · arxiv_version: 2110.10718v1 · doi: 10.48550/arxiv.2110.10718 · pith_short_12: CGN6YL7XHMLB · pith_short_16: CGN6YL7XHMLBOLZT · pith_short_8: CGN6YL7X

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/CGN6YL7XHMLBOLZT67QQ4IUBKF \
  | 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: 119bec2ff73b16172f33f7e10e228151721f5886b4672890f03fd3b121dc65f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d842b3fba113ea0f4ca5eedea04752d23136a2aca13c4bba91ebb59e9367f556",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-10-20T18:36:23Z",
    "title_canon_sha256": "9f2f7faaed25c77e81bacc837f9dc187f6ab58f6df9399f0f6071d1ffe40e0ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.10718",
    "kind": "arxiv",
    "version": 1
  }
}