Pith Number

pith:WTELPT7U

pith:2014:WTELPT7USZEMBQG4HRIVLWAFHY

not attested not anchored not stored refs pending

A Novel Vectorcardiogram System

Calvin A. Perumalla, Gabriel E. Arrobo, Peter J. Fabri, Richard D. Gitlin, Thomas P. Ketterl, Yang Liu

arxiv:1410.1452 v1 · 2014-09-29 · 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{WTELPT7USZEMBQG4HRIVLWAFHY}

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	2026-05-18T01:20:29.854151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c8b7cff49648c0c0dc3c5155d8053e2b367773bd18db26345459897ec40c34

Aliases

arxiv: 1410.1452 · arxiv_version: 1410.1452v1 · doi: 10.48550/arxiv.1410.1452 · pith_short_12: WTELPT7USZEM · pith_short_16: WTELPT7USZEMBQG4 · pith_short_8: WTELPT7U

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/WTELPT7USZEMBQG4HRIVLWAFHY \
  | 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: b4c8b7cff49648c0c0dc3c5155d8053e2b367773bd18db26345459897ec40c34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00d4108139c8bb6bda6d3c86f9e69f6e42ff6ff4fa9c3b4d102b4740ab9ca56a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2014-09-29T00:14:01Z",
    "title_canon_sha256": "3c86d3e5aede4fae69efe1993d6813acaf314f8b829ad82ecab1dae8d7bfb6e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1452",
    "kind": "arxiv",
    "version": 1
  }
}