Pith Number

pith:2FICNQQM

pith:2024:2FICNQQMLJXOVGLO76Y3FNUZTB

not attested not anchored not stored refs pending

Ghost imaging-based Non-contact Heart Rate Detection

Bin Li, Huaibin Zheng, Hui Chen, Jianbin Liu, Jianming Yu, Yuchen He, Zhuo Xu

arxiv:2406.02640 v1 · 2024-06-04 · eess.IV · physics.med-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FICNQQMLJXOVGLO76Y3FNUZTB}

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	2026-07-05T08:27:28.359526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15026c20c5a6eea996effb1b2b699986e37dea084fb83c0f49acf6b87f87526

Aliases

arxiv: 2406.02640 · arxiv_version: 2406.02640v1 · doi: 10.48550/arxiv.2406.02640 · pith_short_12: 2FICNQQMLJXO · pith_short_16: 2FICNQQMLJXOVGLO · pith_short_8: 2FICNQQM

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/2FICNQQMLJXOVGLO76Y3FNUZTB \
  | 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: d15026c20c5a6eea996effb1b2b699986e37dea084fb83c0f49acf6b87f87526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93bc5d4c9c058aaa664609c96e7c925a02593a07465c560d5d32e2d4e8c60e82",
    "cross_cats_sorted": [
      "physics.med-ph",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-06-04T09:16:21Z",
    "title_canon_sha256": "b40d442fc480f2b7c5d016d6c9569ceb2998acdf5bf71e68b6048877c40f486a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.02640",
    "kind": "arxiv",
    "version": 1
  }
}