Pith Number

pith:4OQPSZAI

pith:2019:4OQPSZAIGLAV2UH5MUB4FZ5WFX

not attested not anchored not stored refs pending

Novel imaging revealing inner dynamics for cardiovascular waveform analysis via unsupervised manifold learning

Cheng-Hsi Chang, Chien-Kun Ting, Hau-Tieng Wu, Po-Hsun Huang, Shen-Chih Wang, Yu-Ting Lin

arxiv:1909.04206 v2 · 2019-09-10 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4OQPSZAIGLAV2UH5MUB4FZ5WFX}

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	2026-07-05T00:23:07.393131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3a0f9640832c15d50fd6503c2e7b62df27c75cce2eb7164abd33e8fecdf7039

Aliases

arxiv: 1909.04206 · arxiv_version: 1909.04206v2 · doi: 10.48550/arxiv.1909.04206 · pith_short_12: 4OQPSZAIGLAV · pith_short_16: 4OQPSZAIGLAV2UH5 · pith_short_8: 4OQPSZAI

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/4OQPSZAIGLAV2UH5MUB4FZ5WFX \
  | 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: e3a0f9640832c15d50fd6503c2e7b62df27c75cce2eb7164abd33e8fecdf7039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ea84086bc3cbc872b9194e7e0d1a77bdadff1ab381d5e8efcad08293683909",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-09-10T00:41:33Z",
    "title_canon_sha256": "ee1cc1f01c65daeaf82e34af2b7c5c5679b810c14ea4990e1b9282b6c1ab2d49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04206",
    "kind": "arxiv",
    "version": 2
  }
}