Pith Number

pith:FJRQACAY

pith:2012:FJRQACAYFRAV5KQXFTHJNIFO2Y

not attested not anchored not stored refs pending

Boson Sampling on a Photonic Chip

Animesh Datta, Benjamin J. Metcalf, Brian J. Smith, Dmytro Kundys, Ian A. Walmsley, James C. Gates, Justin B. Spring, Marco Barbieri, Nathan K. Langford, Nicholas Thomas-Peter, Peter C. Humphreys, Peter G.R. Smith, W. Steven Kolthammer, Xian-Min Jin

arxiv:1212.2622 v2 · 2012-12-11 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJRQACAYFRAV5KQXFTHJNIFO2Y}

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	2026-05-18T03:24:52.523182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a630008182c415eaa172cce96a0aed60584a047c80d45925721e424a363aeb4

Aliases

arxiv: 1212.2622 · arxiv_version: 1212.2622v2 · doi: 10.48550/arxiv.1212.2622 · pith_short_12: FJRQACAYFRAV · pith_short_16: FJRQACAYFRAV5KQX · pith_short_8: FJRQACAY

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/FJRQACAYFRAV5KQXFTHJNIFO2Y \
  | 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: 2a630008182c415eaa172cce96a0aed60584a047c80d45925721e424a363aeb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ab456225337777fad2af3695734ad26bfcc5ad5f5c65f39559f9bba40f1a7d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-11T20:50:10Z",
    "title_canon_sha256": "4ca315ff6ec48efab4612de4aea5eba89e865e19547529a59ad54bb39e299a72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2622",
    "kind": "arxiv",
    "version": 2
  }
}