Pith Number

pith:LRCQSZSP

pith:2002:LRCQSZSPUE3ZVNNECBQ2Z262WP

not attested not anchored not stored refs pending

Efficient Classical Simulation of Optical Quantum Circuits

Barry C. Sanders, Stephen D. Bartlett

arxiv:quant-ph/0204065 v2 · 2002-04-11 · 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{LRCQSZSPUE3ZVNNECBQ2Z262WP}

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	2026-07-04T14:45:55.380807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c4509664fa1379ab5a41061acebdab3c98c73747d8861fd0c6c8d2802b468ed

Aliases

arxiv: quant-ph/0204065 · arxiv_version: quant-ph/0204065v2 · doi: 10.48550/arxiv.quant-ph/0204065 · pith_short_12: LRCQSZSPUE3Z · pith_short_16: LRCQSZSPUE3ZVNNE · pith_short_8: LRCQSZSP

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/LRCQSZSPUE3ZVNNECBQ2Z262WP \
  | 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: 5c4509664fa1379ab5a41061acebdab3c98c73747d8861fd0c6c8d2802b468ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e59a37faed4bdf7fb587e79b616ffe06ff785487ed8662a3a0efb8b6c5f0495",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-04-11T23:45:39Z",
    "title_canon_sha256": "68caeb91f80beb1185287b328426b355cb693795a9b1ec21d68d1d20cb27e728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0204065",
    "kind": "arxiv",
    "version": 2
  }
}