Pith Number

pith:DBDJ5FHP

pith:2026:DBDJ5FHPXOWCME7DQCYQS5DXPP

not attested not anchored not stored refs pending

Low-Rate Wrist SpO2 Estimation under Micro-Perturbations Using Motion-Aware Beat Selection and Perfusion-Guided Calibration

Ehsan Kourkchi, Hossein Sayadi, Houman Homayoun, Mahdi Pirayesh Shirazi Nejad, Ning Miao, Setareh Rafatirad, Wei Shao, Zequan Liang

arxiv:2607.08001 v1 · 2026-07-09 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBDJ5FHPXOWCME7DQCYQS5DXPP}

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	2026-07-10T00:19:07.119215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18469e94efbbac2613e380b10974777bf42808b6d7832c98bf7bbffd2c9de344

Aliases

arxiv: 2607.08001 · arxiv_version: 2607.08001v1 · doi: 10.48550/arxiv.2607.08001 · pith_short_12: DBDJ5FHPXOWC · pith_short_16: DBDJ5FHPXOWCME7D · pith_short_8: DBDJ5FHP

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/DBDJ5FHPXOWCME7DQCYQS5DXPP \
  | 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: 18469e94efbbac2613e380b10974777bf42808b6d7832c98bf7bbffd2c9de344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dfa50d419324c754fc814ba5ae6a28df3d5968a2459c895e104d831db35c7c5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-07-09T00:08:24Z",
    "title_canon_sha256": "d48aacc6770a01e68861da056826b91ca304e6f97ea9a4ae8b2deacd7d8998f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08001",
    "kind": "arxiv",
    "version": 1
  }
}