Pith Number

pith:3NDL6BQX

pith:2013:3NDL6BQX55AAYCXR75RLKQZYXR

not attested not anchored not stored refs pending

Relating the spectrum of cardiac signals to the spatiotemporal dynamics of cardiac sources

Antonio G. Marques, Ferney A. Beltr\'an-Molina, Jes\'us Requena-Carri\'on

arxiv:1304.3266 v1 · 2013-04-11 · q-bio.QM · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NDL6BQX55AAYCXR75RLKQZYXR}

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	2026-05-18T03:28:18.105130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db46bf0617ef400c0af1ff62b54338bc5e5a6efcaa73a57f2dacff1651e9ff74

Aliases

arxiv: 1304.3266 · arxiv_version: 1304.3266v1 · doi: 10.48550/arxiv.1304.3266 · pith_short_12: 3NDL6BQX55AA · pith_short_16: 3NDL6BQX55AAYCXR · pith_short_8: 3NDL6BQX

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/3NDL6BQX55AAYCXR75RLKQZYXR \
  | 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: db46bf0617ef400c0af1ff62b54338bc5e5a6efcaa73a57f2dacff1651e9ff74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0a4539cd61304e2cff47fcbd2bf63cf77527ba93ac54a4283a07e142e5240bd",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2013-04-11T11:58:50Z",
    "title_canon_sha256": "e2ea92f540401197146f613529430d299dd39bf67281db61bc9075c51a786b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3266",
    "kind": "arxiv",
    "version": 1
  }
}