Pith Number

pith:WJBREKBR

pith:2013:WJBREKBRTTMXMX3VJLLNGOCEGQ

not attested not anchored not stored refs pending

Photonics meets excitonics: natural and artificial molecular aggregates

Al\'an Aspuru-Guzik, Alexander Eisfeld, Semion K. Saikin, St\'ephanie Valleau

arxiv:1304.0124 v1 · 2013-03-30 · cond-mat.mes-hall · 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{WJBREKBRTTMXMX3VJLLNGOCEGQ}

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	2026-05-18T03:29:25.936708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2431228319cd9765f754ad6d338443439871a640439eb1659ab0831c2cdd5c5

Aliases

arxiv: 1304.0124 · arxiv_version: 1304.0124v1 · doi: 10.48550/arxiv.1304.0124 · pith_short_12: WJBREKBRTTMX · pith_short_16: WJBREKBRTTMXMX3V · pith_short_8: WJBREKBR

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/WJBREKBRTTMXMX3VJLLNGOCEGQ \
  | 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: b2431228319cd9765f754ad6d338443439871a640439eb1659ab0831c2cdd5c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d42636bf222a851f45fca32377bcb03281f84238b921d66d360b7b8b8a00df01",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2013-03-30T17:09:43Z",
    "title_canon_sha256": "c6d32d10564f196112ba4d08616898aa087363c08158f26939c980e053e82807"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0124",
    "kind": "arxiv",
    "version": 1
  }
}