Pith Number

pith:6DAVUK4J

pith:2013:6DAVUK4JURIMOOX5FS4JL37B3O

not attested not anchored not stored refs pending

Maximum Spectral Luminous Efficacy of White Light

T. W. Murphy Jr

arxiv:1309.7039 v1 · 2013-09-25 · 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{6DAVUK4JURIMOOX5FS4JL37B3O}

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	2026-05-18T01:47:25.947854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0c15a2b89a450c73afd2cb895efe1db952510743086fb93a496819ce7f2f601

Aliases

arxiv: 1309.7039 · arxiv_version: 1309.7039v1 · doi: 10.48550/arxiv.1309.7039 · pith_short_12: 6DAVUK4JURIM · pith_short_16: 6DAVUK4JURIMOOX5 · pith_short_8: 6DAVUK4J

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/6DAVUK4JURIMOOX5FS4JL37B3O \
  | 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: f0c15a2b89a450c73afd2cb895efe1db952510743086fb93a496819ce7f2f601

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6296672699c9430ca08ff99c41d00f7b7ed9a8cfbd54895400dd67ae122b2b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-09-25T20:14:18Z",
    "title_canon_sha256": "77d748dc8b2b38f59fb441e68d51c59fff5ea69bb8848ce491b902d3bad78304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7039",
    "kind": "arxiv",
    "version": 1
  }
}