Pith Number

pith:325KOE35

pith:2016:325KOE35F2DLCBZZGR4MVITNPK

not attested not anchored not stored refs pending

Determination of Oxygen Saturation and Photoplethysmogram from Near Infrared Scattering Images

Kye-Ryong Sin, Yong-U Ri, Young-Hui Pyon

arxiv:1604.06855 v1 · 2016-04-23 · physics.med-ph · physics.chem-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{325KOE35F2DLCBZZGR4MVITNPK}

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	2026-05-18T01:16:23.779601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

debaa7137d2e86b107393478caa26d7abacd1edf24bac87b9a8e21836cb7dfef

Aliases

arxiv: 1604.06855 · arxiv_version: 1604.06855v1 · doi: 10.48550/arxiv.1604.06855 · pith_short_12: 325KOE35F2DL · pith_short_16: 325KOE35F2DLCBZZ · pith_short_8: 325KOE35

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/325KOE35F2DLCBZZGR4MVITNPK \
  | 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: debaa7137d2e86b107393478caa26d7abacd1edf24bac87b9a8e21836cb7dfef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54361bdeabe731e3373774283a4eed9dd5e7ff756d9e0495211b0704e46f9d9d",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2016-04-23T03:14:59Z",
    "title_canon_sha256": "945487478393b2821b87102773ba6de4c5dbe1538c97a6693fa4253ff32f6fc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06855",
    "kind": "arxiv",
    "version": 1
  }
}