Pith Number

pith:DMM6P27E

pith:2012:DMM6P27EHIMXT3XTFKIR5XLKMB

not attested not anchored not stored refs pending

A Lexical Analysis Tool with Ambiguity Support

Fernando Berzal, Francisco J. Cortijo, Luis Quesada

arxiv:1202.6583 v1 · 2012-02-29 · cs.CL · 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{DMM6P27EHIMXT3XTFKIR5XLKMB}

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	2026-05-18T04:01:12.163229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b19e7ebe43a1979eef32a911edd6a60512632a655181886950b746e3241868c

Aliases

arxiv: 1202.6583 · arxiv_version: 1202.6583v1 · doi: 10.48550/arxiv.1202.6583 · pith_short_12: DMM6P27EHIMX · pith_short_16: DMM6P27EHIMXT3XT · pith_short_8: DMM6P27E

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/DMM6P27EHIMXT3XTFKIR5XLKMB \
  | 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: 1b19e7ebe43a1979eef32a911edd6a60512632a655181886950b746e3241868c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c71c4cba43320d2d0c19cd4d2f81e382e2171859c585a4583bcf23b586f665b",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2012-02-29T15:59:54Z",
    "title_canon_sha256": "b1e0cf8b65cb1ac6d710bca9d506d1e8d9f4bede5f4a0a323c96c581e9858828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6583",
    "kind": "arxiv",
    "version": 1
  }
}