Pith Number

pith:5H65TQGO

pith:1999:5H65TQGOMYUYMG3UWIRPNBISKR

not attested not anchored not stored refs pending

Spiral Waves in Media with Complex Excitable Dynamics

Andrei Goryachev, Raymond Kapral

arxiv:chao-dyn/9901024 v1 · 1999-01-21 · chao-dyn · nlin.CD · nlin.PS · patt-sol

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5H65TQGOMYUYMG3UWIRPNBISKR}

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	2026-05-18T01:40:11.464932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9fdd9c0ce6629861b74b222f68512546f781a51a7dcc52685efcbab26336204

Aliases

arxiv: chao-dyn/9901024 · arxiv_version: chao-dyn/9901024v1 · doi: 10.48550/arxiv.chao-dyn/9901024 · pith_short_12: 5H65TQGOMYUY · pith_short_16: 5H65TQGOMYUYMG3U · pith_short_8: 5H65TQGO

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/5H65TQGOMYUYMG3UWIRPNBISKR \
  | 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: e9fdd9c0ce6629861b74b222f68512546f781a51a7dcc52685efcbab26336204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "520494bc2e962273d52a1e226b2731ea503759cc49897e084043601e63a9e1f6",
    "cross_cats_sorted": [
      "nlin.CD",
      "nlin.PS",
      "patt-sol"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1999-01-21T22:18:49Z",
    "title_canon_sha256": "21a25e9028445d98f4363a313f07900449e46b67dda29087bffc9ca0ee3e4dfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9901024",
    "kind": "arxiv",
    "version": 1
  }
}