Pith Number

pith:BFERD6F6

pith:2025:BFERD6F6ZXVKQUFSBVINACCOJI

not attested not anchored not stored refs pending

Passive Heart Rate Monitoring During Smartphone Use in Everyday Life

Anupam Pathak, Brent Winslow, Daniel McDuff, Eric Teasley, Hao-Wei Su, James A. Taylor, Jameson K. Rogers, Jiang Wu, Jonathan Wang, Lawrence Cai, Ming-Zher Poh, Paolo Di Achille, Shun Liao, Shwetak Patel, Silviu Borac, Xin Liu, Yun Liu, Yuzhe Yang

arxiv:2503.03783 v3 · 2025-03-04 · q-bio.TO · cs.AI · cs.ET · cs.HC · 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{BFERD6F6ZXVKQUFSBVINACCOJI}

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	2026-07-05T10:37:07.544917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

094911f8becdeaa850b20d50d0084e4a3994e5d214f595f3afc1dbaf04781612

Aliases

arxiv: 2503.03783 · arxiv_version: 2503.03783v3 · doi: 10.48550/arxiv.2503.03783 · pith_short_12: BFERD6F6ZXVK · pith_short_16: BFERD6F6ZXVKQUFS · pith_short_8: BFERD6F6

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/BFERD6F6ZXVKQUFSBVINACCOJI \
  | 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: 094911f8becdeaa850b20d50d0084e4a3994e5d214f595f3afc1dbaf04781612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b326b198b487bf21970690f2943f77a665871e0e165446e6c0a6a636c03d9496",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.ET",
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2025-03-04T23:28:10Z",
    "title_canon_sha256": "96fc5e0c9c33774aa1037e22f1afdfafc79edbbcbde0de15cc17a8f9dc63f068"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.03783",
    "kind": "arxiv",
    "version": 3
  }
}