Pith Number

pith:OPOESA4C

pith:2023:OPOESA4CQIE4S7QBPBA6NETG6R

not attested not anchored not stored refs pending

pyPPG: A Python toolbox for comprehensive photoplethysmography signal analysis

Joachim A. Behar, Marton A. Goda, Peter H. Charlton

arxiv:2309.13767 v1 · 2023-09-24 · physics.med-ph · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPOESA4CQIE4S7QBPBA6NETG6R}

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	2026-07-05T06:53:57.243999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73dc4903828209c97e017841e69266f44bbc52af1d03a7f9f68550dbe4d05498

Aliases

arxiv: 2309.13767 · arxiv_version: 2309.13767v1 · doi: 10.48550/arxiv.2309.13767 · pith_short_12: OPOESA4CQIE4 · pith_short_16: OPOESA4CQIE4S7QB · pith_short_8: OPOESA4C

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/OPOESA4CQIE4S7QBPBA6NETG6R \
  | 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: 73dc4903828209c97e017841e69266f44bbc52af1d03a7f9f68550dbe4d05498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd6bac884243d7fbdca87a47c9de8e782cb2343d23b3a72eac89385351484f74",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2023-09-24T22:37:49Z",
    "title_canon_sha256": "5c599fb3bbe0624bd2478c5f1ac498ef5ab3900c9bf807cd4b73614caa97dd19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.13767",
    "kind": "arxiv",
    "version": 1
  }
}