Pith Number

pith:PWUTRULL

pith:2011:PWUTRULLHY2NIRBEO3MIHTYIEI

not attested not anchored not stored refs pending

Excitable Delaunay triangulations

Andrew Adamatzky

arxiv:1102.1069 v1 · 2011-02-05 · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWUTRULLHY2NIRBEO3MIHTYIEI}

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	2026-05-18T04:16:32.056277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da938d16b3e34d4442476d883cf082204572b7765740ce8d9c454c574ba8bf2

Aliases

arxiv: 1102.1069 · arxiv_version: 1102.1069v1 · doi: 10.48550/arxiv.1102.1069 · pith_short_12: PWUTRULLHY2N · pith_short_16: PWUTRULLHY2NIRBE · pith_short_8: PWUTRULL

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/PWUTRULLHY2NIRBEO3MIHTYIEI \
  | 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: 7da938d16b3e34d4442476d883cf082204572b7765740ce8d9c454c574ba8bf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e694dff2b94f0f370807ddbc7ae4da1fda1e0341d52efac079ef8759617bf0d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2011-02-05T12:57:12Z",
    "title_canon_sha256": "25d3204492d7f33d9aae837c771d871e6f3b29521592adfce3a606746686df5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1069",
    "kind": "arxiv",
    "version": 1
  }
}