Pith Number

pith:P7QNGC47

pith:2010:P7QNGC47N3MG3FFBKAA66OTDA6

not attested not anchored not stored refs pending

Unbeatable Imitation

Burkhard C. Schipper, Joerg Oechssler, Peter Duersch

arxiv:1003.4274 v1 · 2010-03-22 · cs.GT · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7QNGC47N3MG3FFBKAA66OTDA6}

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	2026-05-18T03:35:38.922961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe0d30b9f6ed86d94a15001ef3a63079ab3d967c4ac580b51b5a11d9aac6a75

Aliases

arxiv: 1003.4274 · arxiv_version: 1003.4274v1 · doi: 10.48550/arxiv.1003.4274 · pith_short_12: P7QNGC47N3MG · pith_short_16: P7QNGC47N3MG3FFB · pith_short_8: P7QNGC47

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/P7QNGC47N3MG3FFBKAA66OTDA6 \
  | 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: 7fe0d30b9f6ed86d94a15001ef3a63079ab3d967c4ac580b51b5a11d9aac6a75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b633fcc3653262c86b4ee6ba75d79d99ccbf1a2a8e5b92b320062da04db761b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2010-03-22T20:40:28Z",
    "title_canon_sha256": "66b4ec1fefa433f4f341d4e32888c45adac085b1247512fd41d7639f017f0e43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4274",
    "kind": "arxiv",
    "version": 1
  }
}