Pith Number

pith:OW42J7RH

pith:2003:OW42J7RHD3TIOXLA7SHI5QT2K3

not attested not anchored not stored refs pending

Radiative Relaxation Quantum Yields for Synthetic Eumelanin

Jenny Riesz, Paul Meredith

arxiv:cond-mat/0312277 v1 · 2003-12-11 · cond-mat.soft · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OW42J7RHD3TIOXLA7SHI5QT2K3}

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	2026-07-04T14:20:44.942935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75b9a4fe271ee6875d60fc8e8ec27a56c61328f9f13eb19a9d20052b8fc7d24b

Aliases

arxiv: cond-mat/0312277 · arxiv_version: cond-mat/0312277v1 · doi: 10.48550/arxiv.cond-mat/0312277 · pith_short_12: OW42J7RHD3TI · pith_short_16: OW42J7RHD3TIOXLA · pith_short_8: OW42J7RH

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/OW42J7RHD3TIOXLA7SHI5QT2K3 \
  | 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: 75b9a4fe271ee6875d60fc8e8ec27a56c61328f9f13eb19a9d20052b8fc7d24b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8816312b0002851f681eb1b31bef7fee6618a8a72dcae9dc063bb5729bc922",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2003-12-11T07:34:58Z",
    "title_canon_sha256": "e9626bf42b4a64502c2bb613b8e5342a3bdf1cfbb6478503f3024301b2f78b26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0312277",
    "kind": "arxiv",
    "version": 1
  }
}