Pith Number

pith:7FAIC6TJ

pith:2021:7FAIC6TJQJXTX7URGE32SGKA2J

not attested not anchored not stored refs pending

Myopically Verifiable Probabilistic Certificate for Long-term Safety

Albert Chern, Christian Kurniawan, Haoming Jing, Yorie Nakahira, Zhuoyuan Wang

arxiv:2110.13380 v1 · 2021-10-26 · math.DS · math.OC · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FAIC6TJQJXTX7URGE32SGKA2J}

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	2026-07-05T03:28:41.848658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f940817a69826f3bfe913137a91940d248d00439092134f36fe741aa9be4d3af

Aliases

arxiv: 2110.13380 · arxiv_version: 2110.13380v1 · doi: 10.48550/arxiv.2110.13380 · pith_short_12: 7FAIC6TJQJXT · pith_short_16: 7FAIC6TJQJXTX7UR · pith_short_8: 7FAIC6TJ

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/7FAIC6TJQJXTX7URGE32SGKA2J \
  | 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: f940817a69826f3bfe913137a91940d248d00439092134f36fe741aa9be4d3af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e94d6aee5dc25721224e869cf57147538e6f4a94bbe7204e2ce3b96b240a84b1",
    "cross_cats_sorted": [
      "math.OC",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2021-10-26T03:14:16Z",
    "title_canon_sha256": "a4b25ba47bbe910d976d9b17d87ea69d9f544e2f67168c41d4fdda9663b41992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.13380",
    "kind": "arxiv",
    "version": 1
  }
}