Pith Number

pith:Q4APSKFC

pith:2013:Q4APSKFCT2RFGM2IJOGF5M4ZWL

not attested not anchored not stored refs pending

Theoretical characterization of excitation energy transfer in chlorosome light-harvesting antennae from green sulfur bacteria

Alan Aspuru-Guzik, Jennifer C. Brookes, Joonsuk Huh, Semion K. Saikin, Takatoshi Fujita

arxiv:1304.4902 v2 · 2013-04-17 · physics.chem-ph · physics.bio-ph · quant-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{Q4APSKFCT2RFGM2IJOGF5M4ZWL}

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	2026-05-18T02:52:12.687881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8700f928a29ea25333484b8c5eb399b2d44a9aca8f93c65394776a280db0e76e

Aliases

arxiv: 1304.4902 · arxiv_version: 1304.4902v2 · doi: 10.48550/arxiv.1304.4902 · pith_short_12: Q4APSKFCT2RF · pith_short_16: Q4APSKFCT2RFGM2I · pith_short_8: Q4APSKFC

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/Q4APSKFCT2RFGM2IJOGF5M4ZWL \
  | 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: 8700f928a29ea25333484b8c5eb399b2d44a9aca8f93c65394776a280db0e76e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ee8028043551a33f03d7f83f8c809bb0b90641708345f5c6569738de99937fa",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-04-17T18:16:00Z",
    "title_canon_sha256": "32f938a1be4a259006525c22c99843c7cecbfb8edb638bf0b3f78164c2e7804e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4902",
    "kind": "arxiv",
    "version": 2
  }
}