Pith Number

pith:M7QGIHAP

pith:2025:M7QGIHAPTUR47YJ74WY6I2A6DK

not attested not anchored not stored refs pending

Pulse-PPG: An Open-Source Field-Trained PPG Foundation Model for Wearable Applications Across Lab and Field Settings

James M. Rehg, Maxwell A. Xu, Mithun Saha, Sameer Neupane, Santosh Kumar, Wanting Mao

arxiv:2502.01108 v2 · 2025-02-03 · cs.LG · cs.AI · 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{M7QGIHAPTUR47YJ74WY6I2A6DK}

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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.

Cited by

2 papers in Pith

A robust PPG foundation model using multimodal physiological supervision

Wearable AI in the Era of Large Sensor Models

Receipt and verification

First computed	2026-07-05T11:42:25.388054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e0641c0f9d23cfe13fe5b1e4681e1aa589caca10d5c0e58ff5d733e957fef5

Aliases

arxiv: 2502.01108 · arxiv_version: 2502.01108v2 · doi: 10.48550/arxiv.2502.01108 · pith_short_12: M7QGIHAPTUR4 · pith_short_16: M7QGIHAPTUR47YJ7 · pith_short_8: M7QGIHAP

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/M7QGIHAPTUR47YJ74WY6I2A6DK \
  | 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: 67e0641c0f9d23cfe13fe5b1e4681e1aa589caca10d5c0e58ff5d733e957fef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d063e9b51bf716153ff8d1ad9dd42783a0eebdd6a2b9722fb6fbdd99f84e1c9",
    "cross_cats_sorted": [
      "cs.AI",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-03T06:56:40Z",
    "title_canon_sha256": "a50e63887844c8a6a790b7cd97864ecbe62d1d0cea93a1a511365793699c8882"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01108",
    "kind": "arxiv",
    "version": 2
  }
}