Pith Number

pith:XB4YUAJF

pith:2013:XB4YUAJFXUEVEONP2XD2DT67AX

not attested not anchored not stored refs pending

Inefficiency of classically simulating linear optical quantum computing with Fock-state inputs

Bryan T. Gard, Hwang Lee, Jonathan P. Dowling, Jonathan P. Olson, Moochan B. Kim, Robert M. Cross

arxiv:1304.4206 v4 · 2013-04-15 · 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{XB4YUAJFXUEVEONP2XD2DT67AX}

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	2026-05-18T02:58:46.256341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8798a0125bd095239afd5c7a1cfdf05fd633eca1fcbfc8c2265c54801e06a32

Aliases

arxiv: 1304.4206 · arxiv_version: 1304.4206v4 · doi: 10.48550/arxiv.1304.4206 · pith_short_12: XB4YUAJFXUEV · pith_short_16: XB4YUAJFXUEVEONP · pith_short_8: XB4YUAJF

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/XB4YUAJFXUEVEONP2XD2DT67AX \
  | 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: b8798a0125bd095239afd5c7a1cfdf05fd633eca1fcbfc8c2265c54801e06a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9ca911ac55d1088326cec7708b65b0dd931980aa4c1717a74dbcfbd45cb4d8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-15T19:13:09Z",
    "title_canon_sha256": "d1eae4e5108aefbf5152818f3e9f5f2ba9dfe4c21f4d2a9b7f5aae771e329650"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4206",
    "kind": "arxiv",
    "version": 4
  }
}