Pith Number

pith:P7Z3BGKO

pith:2013:P7Z3BGKOMFQGL5WAVLKPEJARYG

not attested not anchored not stored refs pending

On the experimental verification of quantum complexity in linear optics

Anthony Laing, Jacques Carolan, Jasmin D. A. Meinecke, Jeremy L. O'Brien, Jonathan C. F. Matthews, Kerstin W\"orhoff, Mark G. Thompson, Nicholas J. Russell, Nur Ismail, Pete Shadbolt, Terry Rudolph

arxiv:1311.2913 v2 · 2013-11-12 · 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{P7Z3BGKOMFQGL5WAVLKPEJARYG}

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	2026-05-18T02:44:56.835554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ff3b0994e616065f6c0aad4f22411c1a76941ecfab39fe7f5061e8bb51ddf24

Aliases

arxiv: 1311.2913 · arxiv_version: 1311.2913v2 · doi: 10.48550/arxiv.1311.2913 · pith_short_12: P7Z3BGKOMFQG · pith_short_16: P7Z3BGKOMFQGL5WA · pith_short_8: P7Z3BGKO

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/P7Z3BGKOMFQGL5WAVLKPEJARYG \
  | 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: 7ff3b0994e616065f6c0aad4f22411c1a76941ecfab39fe7f5061e8bb51ddf24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34c1b2af7943999860b74d74d45bcc06140ac3261603781c8cf7dcb51dd97016",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-11-12T20:32:37Z",
    "title_canon_sha256": "0fa82eedc4811ced331b33f86c77067987b78669618583051c5405be50db7445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2913",
    "kind": "arxiv",
    "version": 2
  }
}