Pith Number

pith:T2K5MINZ

pith:2013:T2K5MINZPCELFJIAB4VA5UVZAJ

not attested not anchored not stored refs pending

A Backwards View for Assessment

David Heckerman, Ross D. Shachter

arxiv:1304.3107 v1 · 2013-03-27 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2K5MINZPCELFJIAB4VA5UVZAJ}

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	2026-05-18T03:28:18.696381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e95d621b97888b2a5000f2a0ed2b90267206b5560ba55fd17b3d2f8b46b7fa6

Aliases

arxiv: 1304.3107 · arxiv_version: 1304.3107v1 · doi: 10.48550/arxiv.1304.3107 · pith_short_12: T2K5MINZPCEL · pith_short_16: T2K5MINZPCELFJIA · pith_short_8: T2K5MINZ

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/T2K5MINZPCELFJIAB4VA5UVZAJ \
  | 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: 9e95d621b97888b2a5000f2a0ed2b90267206b5560ba55fd17b3d2f8b46b7fa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a50ff6c4a0288a41ff3d48466d12781b26848723246fdb0d450099c25d5849a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-03-27T19:53:57Z",
    "title_canon_sha256": "e0b93ee062825d867b0e65927b4c378ade2594b072bac46b2430354605cae117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3107",
    "kind": "arxiv",
    "version": 1
  }
}