Pith Number

pith:YHNCAIQL

pith:2018:YHNCAIQLL7PZLON7JZ6ZVHAGST

not attested not anchored not stored refs pending

Estimating blood pressure trends and the nocturnal dip from photoplethysmograph

Cybele CP Wong, Koen de Groot, Mustafa Radha, Nadja Kobold, Nathalie Velthoven, Nikita Rajani, Nikolaos Mastellos, Pedro Fonseca, Petra A Wark, Reinder Haakma, Ronald M Aarts, Valentina Vos

arxiv:1805.09121 v3 · 2018-05-23 · 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{YHNCAIQLL7PZLON7JZ6ZVHAGST}

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	2026-05-17T23:54:54.298716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1da20220b5fdf95b9bf4e7d9a9c0694f745c922ac420146c8194e8e6cfbbfca

Aliases

arxiv: 1805.09121 · arxiv_version: 1805.09121v3 · doi: 10.48550/arxiv.1805.09121 · pith_short_12: YHNCAIQLL7PZ · pith_short_16: YHNCAIQLL7PZLON7 · pith_short_8: YHNCAIQL

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/YHNCAIQLL7PZLON7JZ6ZVHAGST \
  | 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: c1da20220b5fdf95b9bf4e7d9a9c0694f745c922ac420146c8194e8e6cfbbfca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef18430eb8ffcc13f517339ac2bfe2e3101fad66a73797f3db2157d2c4066fbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-05-23T13:21:42Z",
    "title_canon_sha256": "540da167e24edbfc1d634d3e17f83323c419ac894d1fdfcaf712d96ee29eb783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09121",
    "kind": "arxiv",
    "version": 3
  }
}