Pith Number

pith:64WJLCAZ

pith:2014:64WJLCAZ3RQZU6IMZBQ3XX5KAQ

not attested not anchored not stored refs pending

Ab initio geometry and bright excitation of carotenoids: Quantum Monte Carlo and Many Body Green's Function Theory calculations on peridinin

Daniele Varsano, Emanuele Coccia, Leonardo Guidoni

arxiv:1404.4233 v1 · 2014-04-15 · physics.chem-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{64WJLCAZ3RQZU6IMZBQ3XX5KAQ}

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	2026-05-18T02:54:05.850720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f72c958819dc619a790cc861bbdfaa04055fe2b3a9b647f080571b28a83f4882

Aliases

arxiv: 1404.4233 · arxiv_version: 1404.4233v1 · doi: 10.48550/arxiv.1404.4233 · pith_short_12: 64WJLCAZ3RQZ · pith_short_16: 64WJLCAZ3RQZU6IM · pith_short_8: 64WJLCAZ

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/64WJLCAZ3RQZU6IMZBQ3XX5KAQ \
  | 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: f72c958819dc619a790cc861bbdfaa04055fe2b3a9b647f080571b28a83f4882

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31fc14f8497265a29154f4180577176c86f4d06b2502775a2d9c5780cc97c257",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2014-04-15T09:45:59Z",
    "title_canon_sha256": "9dba76e361d6f6c39298c8505c1e2ce5f08731bdd1c09307489ee8dce37b72c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4233",
    "kind": "arxiv",
    "version": 1
  }
}