Pith Number

pith:2QTFCP6M

pith:2026:2QTFCP6MB3YS6JDH6AITVVGTGP

not attested not anchored not stored refs pending

A Nonlinear Complexity Index for Wearable PPG Cardiovascular Stability: Multiscale Validation, Systematic Evaluation Correction, and Bayesian Parameter Optimization

Farouk Ganiyu Adewumi, Timothy Oladunni

arxiv:2605.18802 v1 · 2026-05-11 · eess.SP · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QTFCP6MB3YS6JDH6AITVVGTGP}

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	2026-05-20T00:06:23.243280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d426513fcc0ef12f2467f0113ad4d333fb5435ff2135360f653725ae8fec1665

Aliases

arxiv: 2605.18802 · arxiv_version: 2605.18802v1 · doi: 10.48550/arxiv.2605.18802 · pith_short_12: 2QTFCP6MB3YS · pith_short_16: 2QTFCP6MB3YS6JDH · pith_short_8: 2QTFCP6M

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/2QTFCP6MB3YS6JDH6AITVVGTGP \
  | 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: d426513fcc0ef12f2467f0113ad4d333fb5435ff2135360f653725ae8fec1665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb0b328cc447d82ee33018143ef37ce6f6b36bf1176d45d5ae88f339251c3be6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-05-11T13:55:30Z",
    "title_canon_sha256": "0fec9dcd4fd1e9215052e29d5fdb8a7d5da490e0e1adade2bcc834bfbfa8f8b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18802",
    "kind": "arxiv",
    "version": 1
  }
}