Pith Number

pith:5UQDRRW3

pith:2016:5UQDRRW3FZ26X2QIQ6IX62WLFK

not attested not anchored not stored refs pending

Spatial probabilistic pulsatility model for enhancing photoplethysmographic imaging systems

Alexander Wong, David A Clausi, Robert Amelard

arxiv:1607.08129 v1 · 2016-07-27 · q-bio.QM · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5UQDRRW3FZ26X2QIQ6IX62WLFK}

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	2026-05-18T00:54:19.978046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed2038c6db2e75ebea0887917f6acb2a898b36de5ed3e8373c9fca28ebc0a5f0

Aliases

arxiv: 1607.08129 · arxiv_version: 1607.08129v1 · doi: 10.48550/arxiv.1607.08129 · pith_short_12: 5UQDRRW3FZ26 · pith_short_16: 5UQDRRW3FZ26X2QI · pith_short_8: 5UQDRRW3

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/5UQDRRW3FZ26X2QIQ6IX62WLFK \
  | 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: ed2038c6db2e75ebea0887917f6acb2a898b36de5ed3e8373c9fca28ebc0a5f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e7ac8c10719efe5838c00ae841cbc705d19ce20a6ba1229046ff0d800d8cd1d",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2016-07-27T14:49:33Z",
    "title_canon_sha256": "0c92b038081305944f13a797a0e0bf60ef7e50b817567edb44d17c4ad2fbddfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08129",
    "kind": "arxiv",
    "version": 1
  }
}