Pith Number

pith:PLRUGSEF

pith:2022:PLRUGSEFT3REDIZJ6LYMTRJIX4

not attested not anchored not stored refs pending

An Experimental Double-Integrating Sphere Spectrophotometer for In Vitro Optical Analysis of Blood and Tissue Samples, Including Examples of Analyte Measurement Results

Barry K. Gilbert, Clifton R. Haider, Daniel J. Schwab, Gary S. Delp, Stefan K. Grebe

arxiv:2212.08763 v2 · 2022-12-17 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLRUGSEFT3REDIZJ6LYMTRJIX4}

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	2026-07-05T05:30:33.672102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ae34348859ee241a329f2f0c9c528bf1dac9f5016e96103248798d2cef5158f

Aliases

arxiv: 2212.08763 · arxiv_version: 2212.08763v2 · doi: 10.48550/arxiv.2212.08763 · pith_short_12: PLRUGSEFT3RE · pith_short_16: PLRUGSEFT3REDIZJ · pith_short_8: PLRUGSEF

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/PLRUGSEFT3REDIZJ6LYMTRJIX4 \
  | 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: 7ae34348859ee241a329f2f0c9c528bf1dac9f5016e96103248798d2cef5158f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d360a5e1c2dbcf46e7e83d118b5724c9b6e9822c0524897690678406154a8896",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2022-12-17T00:19:18Z",
    "title_canon_sha256": "7ffac036670fd1f12d77ae01ae28cdde8754b7d971d5fdca4facc07d5b8b46d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.08763",
    "kind": "arxiv",
    "version": 2
  }
}