Pith Number

pith:P6A2AS7R

pith:2013:P6A2AS7RJUKWHLX2XWZTL77UBT

not attested not anchored not stored refs pending

Short lists with short programs in short time

Anton Makhlin, Bruno Bauwens, Marius Zimand, Nikolay Vereshchagin

arxiv:1301.1547 v3 · 2013-01-08 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6A2AS7RJUKWHLX2XWZTL77UBT}

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	2026-05-18T00:47:37.104505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f81a04bf14d1563aefabdb335fff40cea2309a98b4d91392611f0fc7cc4b4d9

Aliases

arxiv: 1301.1547 · arxiv_version: 1301.1547v3 · doi: 10.48550/arxiv.1301.1547 · pith_short_12: P6A2AS7RJUKW · pith_short_16: P6A2AS7RJUKWHLX2 · pith_short_8: P6A2AS7R

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/P6A2AS7RJUKWHLX2XWZTL77UBT \
  | 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: 7f81a04bf14d1563aefabdb335fff40cea2309a98b4d91392611f0fc7cc4b4d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f37d260928348f668c16cc7ed2c70c1d496fa83f7d1c2bf6ae9ac4d89a2756b",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-01-08T14:41:49Z",
    "title_canon_sha256": "16d270d02263d0c6dc7af140f5fa1e5a13a31eed3486fb8fb983b5f3dfb8f4ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1547",
    "kind": "arxiv",
    "version": 3
  }
}