Pith Number

pith:Q74DJMOX

pith:2013:Q74DJMOXJEKM5C2F4HX54L7G2B

not attested not anchored not stored refs pending

Ab initio calculations of the optical absorption spectra of C60-conjugated polymer hybrids

Laura E. Ratcliff, Peter D. Haynes

arxiv:1303.7190 v2 · 2013-03-28 · 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{Q74DJMOXJEKM5C2F4HX54L7G2B}

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	2026-05-18T03:29:26.377998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f834b1d74914ce8b45e1efde2fe6d06386f73e04700d085eedd52c73acc3c0

Aliases

arxiv: 1303.7190 · arxiv_version: 1303.7190v2 · doi: 10.48550/arxiv.1303.7190 · pith_short_12: Q74DJMOXJEKM · pith_short_16: Q74DJMOXJEKM5C2F · pith_short_8: Q74DJMOX

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/Q74DJMOXJEKM5C2F4HX54L7G2B \
  | 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: 87f834b1d74914ce8b45e1efde2fe6d06386f73e04700d085eedd52c73acc3c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "671d84fba3560c808964f610833d24113fb40c96d9dfd95d5aa7d701c216d01e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-03-28T17:46:04Z",
    "title_canon_sha256": "956f68834004f375b7574dbf457d918bea17382e4cb951e237214e715c63841c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7190",
    "kind": "arxiv",
    "version": 2
  }
}