Pith Number

pith:IQ7MATB6

pith:2013:IQ7MATB65IHLQYFHTV2J4VGIDP

not attested not anchored not stored refs pending

Local Backbones

Iyad Kanj, Ronald de Haan, Stefan Szeider

arxiv:1304.5479 v3 · 2013-04-19 · cs.CC · 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{IQ7MATB65IHLQYFHTV2J4VGIDP}

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	2026-05-18T02:47:23.213550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443ec04c3eea0eb860a79d749e54c81becec3cf7bdcc5eb30de559cafd27a26b

Aliases

arxiv: 1304.5479 · arxiv_version: 1304.5479v3 · doi: 10.48550/arxiv.1304.5479 · pith_short_12: IQ7MATB65IHL · pith_short_16: IQ7MATB65IHLQYFH · pith_short_8: IQ7MATB6

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/IQ7MATB65IHLQYFHTV2J4VGIDP \
  | 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: 443ec04c3eea0eb860a79d749e54c81becec3cf7bdcc5eb30de559cafd27a26b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f2f808377ef486e7e037458c27229eb3b103584eb1ce73b06584bc65545475c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-04-19T16:59:11Z",
    "title_canon_sha256": "f459e0dc782a38df6ef7253651ba0113aa15013a5b560a7ab127702ca6c9c47f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5479",
    "kind": "arxiv",
    "version": 3
  }
}