Pith Number

pith:PJJGU54G

pith:2012:PJJGU54GLX4E7XQHGZJQYHF4WW

not attested not anchored not stored refs pending

Experimental observation of impossible-to-beat quantum advantage on a hybrid photonic system

Adan Cabello, Eleonora Nagali, Fabio Sciarrino, Vincenzo D'Ambrosio

arxiv:1203.0980 v1 · 2012-03-05 · 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{PJJGU54GLX4E7XQHGZJQYHF4WW}

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	2026-05-18T04:00:49.916219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a526a77865df84fde0736530c1cbcb5b731aa2163357a0dc4da4d3e1b370d18

Aliases

arxiv: 1203.0980 · arxiv_version: 1203.0980v1 · doi: 10.48550/arxiv.1203.0980 · pith_short_12: PJJGU54GLX4E · pith_short_16: PJJGU54GLX4E7XQH · pith_short_8: PJJGU54G

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/PJJGU54GLX4E7XQHGZJQYHF4WW \
  | 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: 7a526a77865df84fde0736530c1cbcb5b731aa2163357a0dc4da4d3e1b370d18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b2aab148fc7546694e527f207bb9c7c778961c575d049f87cd4c80e1c3c449",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-05T17:42:17Z",
    "title_canon_sha256": "e0835989178badf685d0f7a3b201d319260456643ae031f49c7e62ef81086143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0980",
    "kind": "arxiv",
    "version": 1
  }
}