Pith Number

pith:N3WLLOQU

pith:2011:N3WLLOQUDDT44I3OGPT4OY36XP

not attested not anchored not stored refs pending

Remarks on separating words

David A. Wilson, Erik D. Demaine, Jeffrey Shallit, Sarah Eisenstat

arxiv:1103.4513 v1 · 2011-03-23 · cs.FL · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N3WLLOQUDDT44I3OGPT4OY36XP}

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	2026-05-18T04:26:01.886422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eecb5ba1418e7ce236e33e7c7637ebbfab8286ebb7e0ad2256bb491f2500752

Aliases

arxiv: 1103.4513 · arxiv_version: 1103.4513v1 · doi: 10.48550/arxiv.1103.4513 · pith_short_12: N3WLLOQUDDT4 · pith_short_16: N3WLLOQUDDT44I3O · pith_short_8: N3WLLOQU

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/N3WLLOQUDDT44I3OGPT4OY36XP \
  | 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: 6eecb5ba1418e7ce236e33e7c7637ebbfab8286ebb7e0ad2256bb491f2500752

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "788e7b0e69eb0e150b9455f22a69cf5adc1439b551a66740037b93f5021f1bac",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-03-23T13:31:37Z",
    "title_canon_sha256": "c3d07eb185014404af21819929e6562402216d12d84a3aee8e41ff1efeee751f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4513",
    "kind": "arxiv",
    "version": 1
  }
}