Pith Number

pith:4SM7U5L7

pith:2015:4SM7U5L7W7DF46J2X7CMGH7POG

not attested not anchored not stored refs pending

A New Blackbody Radiation Law Based on Fractional Calculus and its Application to NASA COBE Data

Minoru Biyajima, Naomichi Suzuki, Takuya Mizoguchi

arxiv:1503.06010 v2 · 2015-03-20 · cond-mat.stat-mech · astro-ph.CO · hep-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{4SM7U5L7W7DF46J2X7CMGH7POG}

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	2026-05-18T01:31:40.123067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e499fa757fb7c65e793abfc4c31fef71bf853314a48d2790a27e4c5bf1523330

Aliases

arxiv: 1503.06010 · arxiv_version: 1503.06010v2 · doi: 10.48550/arxiv.1503.06010 · pith_short_12: 4SM7U5L7W7DF · pith_short_16: 4SM7U5L7W7DF46J2 · pith_short_8: 4SM7U5L7

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/4SM7U5L7W7DF46J2X7CMGH7POG \
  | 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: e499fa757fb7c65e793abfc4c31fef71bf853314a48d2790a27e4c5bf1523330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b62deaaf507a5b8a265b203dbc563f18aaf5041161b887c47287e53197cc3ff5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2015-03-20T07:28:24Z",
    "title_canon_sha256": "bcf5ad1ddfa55ad51ab20c4a1ca8c905233bb3751df07f81286b07af79de25cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06010",
    "kind": "arxiv",
    "version": 2
  }
}