Pith Number

pith:UKI6R5TQ

pith:2014:UKI6R5TQN6UVIUV3VSN2AKL3GV

not attested not anchored not stored refs pending

Visualization of short-term heart period variability with network tools as a method for quantifying autonomic drive

Agnieszka Kaczkowska, Beata Graff, Danuta Makowiec, Dorota Wejer, Grzegorz Graff, Joanna Wdowczyk, Marcin Gruchala, Marta Zarczynska-Buchowiecka, Zbigniew R. Struzik

arxiv:1407.4921 v1 · 2014-07-18 · 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{UKI6R5TQN6UVIUV3VSN2AKL3GV}

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	2026-05-18T02:47:22.345724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a291e8f6706fa95452bbac9ba0297b35533e935bcd3159dc7fb2810f75b4478e

Aliases

arxiv: 1407.4921 · arxiv_version: 1407.4921v1 · doi: 10.48550/arxiv.1407.4921 · pith_short_12: UKI6R5TQN6UV · pith_short_16: UKI6R5TQN6UVIUV3 · pith_short_8: UKI6R5TQ

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/UKI6R5TQN6UVIUV3VSN2AKL3GV \
  | 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: a291e8f6706fa95452bbac9ba0297b35533e935bcd3159dc7fb2810f75b4478e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a38bc33ebc37a1561310a03d2b4f65eec72184255d58b7a52fdf8acabcb43721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2014-07-18T09:05:44Z",
    "title_canon_sha256": "641a36c74c90364c7b5d2ff182fe8e57e2f3e922c009a40aec454835318e2db1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4921",
    "kind": "arxiv",
    "version": 1
  }
}