Pith Number

pith:WOKAIWNO

pith:2012:WOKAIWNO3PCJNAU5OGPRD3ZKCB

not attested not anchored not stored refs pending

Enumeration and Structure of Trapezoidal Words

Alessandro De Luca, Gabriele Fici, Michelangelo Bucci

arxiv:1203.1203 v2 · 2012-03-06 · cs.FL · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOKAIWNO3PCJNAU5OGPRD3ZKCB}

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	2026-05-18T03:36:04.649099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3940459aedbc496829d719f11ef2a105e9cd9ece26dfff87ed65ecbf7889aa0

Aliases

arxiv: 1203.1203 · arxiv_version: 1203.1203v2 · doi: 10.48550/arxiv.1203.1203 · pith_short_12: WOKAIWNO3PCJ · pith_short_16: WOKAIWNO3PCJNAU5 · pith_short_8: WOKAIWNO

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/WOKAIWNO3PCJNAU5OGPRD3ZKCB \
  | 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: b3940459aedbc496829d719f11ef2a105e9cd9ece26dfff87ed65ecbf7889aa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2ac2013f05b7d95ed9508d103b84ea40c1b8c2f9104e9144905f0bcb8c27ca",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2012-03-06T14:04:29Z",
    "title_canon_sha256": "4cdbaced6bc5b06eb3fdf8cddbd6396bb1f9e0c0ec9e09ae7d7fdcb8160ed665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1203",
    "kind": "arxiv",
    "version": 2
  }
}