Pith Number

pith:JU7BK5C7

pith:2026:JU7BK5C7IMWU3HUBPR3D46P7PH

not attested not anchored not stored refs pending

Illumination-Robust Camera-Based Heart-Rate Estimation for Physiological Sensing in Robots

Torbj\"orn E. M. Nordling, Zhi Wei Xu

arxiv:2606.12378 v1 · 2026-06-10 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JU7BK5C7IMWU3HUBPR3D46P7PH}

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	2026-06-11T02:09:49.128644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d3e15745f432d4d9e817c763e79ff79d898579d9f78906ec783b5706f3db0ef

Aliases

arxiv: 2606.12378 · arxiv_version: 2606.12378v1 · doi: 10.48550/arxiv.2606.12378 · pith_short_12: JU7BK5C7IMWU · pith_short_16: JU7BK5C7IMWU3HUB · pith_short_8: JU7BK5C7

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/JU7BK5C7IMWU3HUBPR3D46P7PH \
  | 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: 4d3e15745f432d4d9e817c763e79ff79d898579d9f78906ec783b5706f3db0ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03383f55d75a543c5d564523855e23b215c7c83cc5ce5f7bd002012714b22a23",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-10T17:42:31Z",
    "title_canon_sha256": "2d108639229ef813b0068b0ec1341a56b13b2f7c5d6a56a870537f5837202474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12378",
    "kind": "arxiv",
    "version": 1
  }
}