Pith Number

pith:S63TQSZY

pith:2014:S63TQSZYLSLJECVNKW2AVUIERB

not attested not anchored not stored refs pending

Unstable Spiral Waves and Local Euclidean Symmetry in a Model of Cardiac Tissue

Christopher D. Marcotte, Roman O. Grigoriev

arxiv:1412.4731 v4 · 2014-12-15 · 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{S63TQSZYLSLJECVNKW2AVUIERB}

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	2026-05-18T00:35:14.188275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97b7384b385c96920aad55b40ad1048870fac9331eddafc007bfb9055a6c249e

Aliases

arxiv: 1412.4731 · arxiv_version: 1412.4731v4 · doi: 10.48550/arxiv.1412.4731 · pith_short_12: S63TQSZYLSLJ · pith_short_16: S63TQSZYLSLJECVN · pith_short_8: S63TQSZY

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/S63TQSZYLSLJECVNKW2AVUIERB \
  | 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: 97b7384b385c96920aad55b40ad1048870fac9331eddafc007bfb9055a6c249e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c153e6c2d7a2275fa41f47257c8c49d8af193ba54ae1d7c2c673f222a59d14a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2014-12-15T19:24:09Z",
    "title_canon_sha256": "a33290982e54eb725aaa55b5d9514b9067429f1a1c94134a8e9b5b7feba1314d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4731",
    "kind": "arxiv",
    "version": 4
  }
}