Pith Number

pith:IWW7HXPX

pith:2010:IWW7HXPXRX74A4DQ6IJLNOZQEP

not attested not anchored not stored refs pending

Riding a Spiral Wave: Numerical Simulation of Spiral Waves in a Co-Moving Frame of Reference

A. J. Foulkes, V. N. Biktashev

arxiv:1001.4454 v2 · 2010-01-25 · 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{IWW7HXPXRX74A4DQ6IJLNOZQEP}

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	2026-05-18T02:09:30.317182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45adf3ddf78dffc07070f212b6bb3023fce52cbab724428ffbb4e7dd82117caa

Aliases

arxiv: 1001.4454 · arxiv_version: 1001.4454v2 · doi: 10.48550/arxiv.1001.4454 · pith_short_12: IWW7HXPXRX74 · pith_short_16: IWW7HXPXRX74A4DQ · pith_short_8: IWW7HXPX

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/IWW7HXPXRX74A4DQ6IJLNOZQEP \
  | 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: 45adf3ddf78dffc07070f212b6bb3023fce52cbab724428ffbb4e7dd82117caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "655b4c1b287471b68e4817657e292a80128cdad6c5664f8b8a6a0e8ddc932cb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2010-01-25T15:17:35Z",
    "title_canon_sha256": "1df9b3f74d8039a4e661347de2bc2307b692cbb17602a6a9d65e814eaba877dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4454",
    "kind": "arxiv",
    "version": 2
  }
}