Pith Number

pith:OVLR6WUY

pith:2013:OVLR6WUYTPP3263JECWOEB7SPD

not attested not anchored not stored refs pending

Approximation of grammar-based compression via recompression

Artur Je\.z

arxiv:1301.5842 v3 · 2013-01-24 · cs.DS · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVLR6WUYTPP3263JECWOEB7SPD}

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	2026-05-18T03:07:44.480116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75571f5a989bdfbd7b6920ace207f278e90d3e7b58bddf8f1bc20c404a1840aa

Aliases

arxiv: 1301.5842 · arxiv_version: 1301.5842v3 · doi: 10.48550/arxiv.1301.5842 · pith_short_12: OVLR6WUYTPP3 · pith_short_16: OVLR6WUYTPP3263J · pith_short_8: OVLR6WUY

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/OVLR6WUYTPP3263JECWOEB7SPD \
  | 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: 75571f5a989bdfbd7b6920ace207f278e90d3e7b58bddf8f1bc20c404a1840aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca0b4df1a4fb7e014ff6653ce0609a3a1b73b7e05cf5bd87a6793f46558ccf61",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-01-24T17:03:41Z",
    "title_canon_sha256": "588efff2e661db35338249ca23ebf2d941f42a7847c51364f77817e32fd4b3b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5842",
    "kind": "arxiv",
    "version": 3
  }
}