Pith Number

pith:3JDDKX7O

pith:2012:3JDDKX7OC52T2F2F6GCJIQK6VH

not attested not anchored not stored refs pending

Non-redundant random generation algorithms for weighted context-free languages

Andy Lorenz, INRIA Saclay - Ile de France), Yann Ponty (LIX

arxiv:1211.0303 v1 · 2012-11-01 · cs.FL · cs.DM · 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{3JDDKX7OC52T2F2F6GCJIQK6VH}

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	2026-05-18T03:41:41.613516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da46355fee17753d1745f18494415ea9d859113ad61f11a52aca76c4bbae7b12

Aliases

arxiv: 1211.0303 · arxiv_version: 1211.0303v1 · doi: 10.48550/arxiv.1211.0303 · pith_short_12: 3JDDKX7OC52T · pith_short_16: 3JDDKX7OC52T2F2F · pith_short_8: 3JDDKX7O

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/3JDDKX7OC52T2F2F6GCJIQK6VH \
  | 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: da46355fee17753d1745f18494415ea9d859113ad61f11a52aca76c4bbae7b12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b68453328b806be469cb417b3fa0174016526db9d6909e5585fb343f297a9b01",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2012-11-01T20:33:15Z",
    "title_canon_sha256": "e584a79e5a9bf42a17524790e698541ea846eccb82c1fa09646fcc1940b74511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0303",
    "kind": "arxiv",
    "version": 1
  }
}