Pith Number

pith:J43HHHQB

pith:2013:J43HHHQBJI5XWBOOIBVUGIY2ST

not attested not anchored not stored refs pending

Drift Laws for Spiral Waves on Curved Anisotropic Surfaces

Alexander Panfilov, Evelien Brisard, Hans Dierckx, Henri Verschelde

arxiv:1301.5469 v3 · 2013-01-23 · math-ph · math.MP · nlin.AO · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J43HHHQBJI5XWBOOIBVUGIY2ST}

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	2026-05-18T02:44:57.003903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f36739e014a3b7b05ce406b43231a94db75cb9b579919092fc76339e724f202

Aliases

arxiv: 1301.5469 · arxiv_version: 1301.5469v3 · doi: 10.48550/arxiv.1301.5469 · pith_short_12: J43HHHQBJI5X · pith_short_16: J43HHHQBJI5XWBOO · pith_short_8: J43HHHQB

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/J43HHHQBJI5XWBOOIBVUGIY2ST \
  | 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: 4f36739e014a3b7b05ce406b43231a94db75cb9b579919092fc76339e724f202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "350e45b9d8778dbfcf0d0fd7a329557872bd148f9b92fa53cf9971e9200eef14",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.AO",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-01-23T11:15:56Z",
    "title_canon_sha256": "17eb23cb12d8e072c87281710b2a97409bf4639196b01ee2378b1f326cc7e53f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5469",
    "kind": "arxiv",
    "version": 3
  }
}