Pith Number

pith:ITCHIACM

pith:2007:ITCHIACMU3B7N7CNF4Y4XXI7BR

not attested not anchored not stored refs pending

Analysis based on the Wavelet & Hilbert transforms applied to the full time series of interbeats, for a triad of failures at the heart

P. A. Ritto

arxiv:0712.1001 v4 · 2007-12-06 · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITCHIACMU3B7N7CNF4Y4XXI7BR}

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	2026-05-18T04:29:44.719016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44c474004ca6c3f6fc4d2f31cbdd1f0c47971d4d802e4a35e1bb6a9cdd2d579c

Aliases

arxiv: 0712.1001 · arxiv_version: 0712.1001v4 · doi: 10.48550/arxiv.0712.1001 · pith_short_12: ITCHIACMU3B7 · pith_short_16: ITCHIACMU3B7N7CN · pith_short_8: ITCHIACM

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/ITCHIACMU3B7N7CNF4Y4XXI7BR \
  | 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: 44c474004ca6c3f6fc4d2f31cbdd1f0c47971d4d802e4a35e1bb6a9cdd2d579c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13488bbedbf38a1d5561bc8c48356bc7edeb9e59ea6abe82afbefa40685c8fa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2007-12-06T17:27:19Z",
    "title_canon_sha256": "60365643a86df76bda65ac57c3a1210ef4f88f94b0fd2c905366c52543951898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.1001",
    "kind": "arxiv",
    "version": 4
  }
}