Pith Number

pith:5HX2NW5L

pith:2009:5HX2NW5LMKIHJG7OIUTDJ25GNA

not attested not anchored not stored refs pending

Two-dimensional wave patterns of spreading depolarization: retracting, re-entrant, and stationary waves

Anthony J. Strong, Eckehard Schoell, Jens P. Dreier, Klaus Podoll, Markus A. Dahlem, Michaela Sieber, Rudolf Graf, Wolfgang Hanke, Yuliya A. Dahlem

arxiv:0903.0800 v1 · 2009-03-04 · nlin.PS · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HX2NW5LMKIHJG7OIUTDJ25GNA}

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	2026-05-18T02:14:37.296446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9efa6dbab6290749bee452634eba6682086910b6553869c8acda41cedbdf59c

Aliases

arxiv: 0903.0800 · arxiv_version: 0903.0800v1 · doi: 10.48550/arxiv.0903.0800 · pith_short_12: 5HX2NW5LMKIH · pith_short_16: 5HX2NW5LMKIHJG7O · pith_short_8: 5HX2NW5L

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/5HX2NW5LMKIHJG7OIUTDJ25GNA \
  | 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: e9efa6dbab6290749bee452634eba6682086910b6553869c8acda41cedbdf59c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1efadd757c39d29462c09bd15263a547b4acbedad23edcaf34718421ae59a35a",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2009-03-04T16:23:33Z",
    "title_canon_sha256": "f7bf7c83c4fcaeba045c6d3021a68ed2df3ff4858542d4bbe509c627424f4a29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0800",
    "kind": "arxiv",
    "version": 1
  }
}