Pith Number

pith:RQ76FF3R

pith:2013:RQ76FF3R3EE4YQS5HHLUEDE2DV

not attested not anchored not stored refs pending

A New Heuristic Synchronizing Algorithm

Jakub Kowalski, Marek Szyku{\l}a

arxiv:1308.1978 v1 · 2013-08-08 · cs.FL · 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{RQ76FF3R3EE4YQS5HHLUEDE2DV}

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	2026-05-18T03:16:18.540054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c3fe29771d909cc425d39d7420c9a1d5f97c97355c98ab7bec9ccbd7d2a9598

Aliases

arxiv: 1308.1978 · arxiv_version: 1308.1978v1 · doi: 10.48550/arxiv.1308.1978 · pith_short_12: RQ76FF3R3EE4 · pith_short_16: RQ76FF3R3EE4YQS5 · pith_short_8: RQ76FF3R

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/RQ76FF3R3EE4YQS5HHLUEDE2DV \
  | 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: 8c3fe29771d909cc425d39d7420c9a1d5f97c97355c98ab7bec9ccbd7d2a9598

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5428f590c7a9856037ed597ca86ffe2df97495ef4be4cd28c417dc88e681e26",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-08-08T20:49:47Z",
    "title_canon_sha256": "00243a751cae26a60113d4b0a91b42751f7bdfe430a224a2cca0630bcccd8a25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1978",
    "kind": "arxiv",
    "version": 1
  }
}