Pith Number

pith:ETQVEUVQ

pith:2015:ETQVEUVQLM52QYXZYR7HWDGHXH

not attested not anchored not stored refs pending

Scroll wave drift along steps, troughs and corners

Hua Ke, Oliver Steinbock, Zhihui Zhang

arxiv:1503.05212 v1 · 2015-03-17 · 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{ETQVEUVQLM52QYXZYR7HWDGHXH}

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	2026-05-18T02:21:51.093445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24e15252b05b3ba862f9c47e7b0cc7b9c80941aefa7dbc979c0355a84daac68e

Aliases

arxiv: 1503.05212 · arxiv_version: 1503.05212v1 · doi: 10.48550/arxiv.1503.05212 · pith_short_12: ETQVEUVQLM52 · pith_short_16: ETQVEUVQLM52QYXZ · pith_short_8: ETQVEUVQ

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/ETQVEUVQLM52QYXZYR7HWDGHXH \
  | 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: 24e15252b05b3ba862f9c47e7b0cc7b9c80941aefa7dbc979c0355a84daac68e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a397ac0cb84e43fbb026298f85282852922b496f2ae3e3910ad31b6a8f7bca59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2015-03-17T20:23:39Z",
    "title_canon_sha256": "8b8cd16f89126e125a24e42596cffb543029f2f853ad1ef85835efbc01e2c071"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05212",
    "kind": "arxiv",
    "version": 1
  }
}