Pith Number

pith:HJDG6E2A

pith:2018:HJDG6E2A3BMTPJOBPZI5E3T4X3

not attested not anchored not stored refs pending

Estimating Carotid Pulse and Breathing Rate from Near-infrared Video of the Neck

Javier Hernandez, Rosalind W. Picard, Weixuan Chen

arxiv:1805.09511 v1 · 2018-05-24 · cs.CV · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJDG6E2A3BMTPJOBPZI5E3T4X3}

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	2026-05-18T00:00:19.447972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a466f1340d85937a5c17e51d26e7cbedd82cd13b0ab75d41b57a3853a26ad6b

Aliases

arxiv: 1805.09511 · arxiv_version: 1805.09511v1 · doi: 10.48550/arxiv.1805.09511 · pith_short_12: HJDG6E2A3BMT · pith_short_16: HJDG6E2A3BMTPJOB · pith_short_8: HJDG6E2A

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/HJDG6E2A3BMTPJOBPZI5E3T4X3 \
  | 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: 3a466f1340d85937a5c17e51d26e7cbedd82cd13b0ab75d41b57a3853a26ad6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b048d6ce40f376683aed50dbbe30e0346c482dd18275afd01ae9c299672459f5",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-24T05:15:18Z",
    "title_canon_sha256": "372a2ce03ea2255af91e2a372fdc1d65297cfdc0b60c837fcdf6155a188332b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09511",
    "kind": "arxiv",
    "version": 1
  }
}