Pith Number

pith:PRF5F4ZW

pith:2012:PRF5F4ZWUJGGX3EWWPFDTMYUMW

not attested not anchored not stored refs pending

Bell tests for continuous variable systems using hybrid measurements and heralded amplifiers

Anthony Leverrier, Daniel Cavalcanti, Jonatan Bohr Brask, Nicolas Brunner

arxiv:1203.0320 v1 · 2012-03-01 · 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{PRF5F4ZWUJGGX3EWWPFDTMYUMW}

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	2026-05-18T03:56:23.990917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c4bd2f336a24c6bec96b3ca39b31465ae9d1dc46ecf9901e62daeea80a1b770

Aliases

arxiv: 1203.0320 · arxiv_version: 1203.0320v1 · doi: 10.48550/arxiv.1203.0320 · pith_short_12: PRF5F4ZWUJGG · pith_short_16: PRF5F4ZWUJGGX3EW · pith_short_8: PRF5F4ZW

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/PRF5F4ZWUJGGX3EWWPFDTMYUMW \
  | 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: 7c4bd2f336a24c6bec96b3ca39b31465ae9d1dc46ecf9901e62daeea80a1b770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38e712c64ecaa5e06376a3a47afc1caea3b59176ef3533abb773fc1102839773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-01T21:37:04Z",
    "title_canon_sha256": "b2f8e6fab394293ffa3dca0e184ba1f7a1dd98860fd930282a05b4c0c6c171bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0320",
    "kind": "arxiv",
    "version": 1
  }
}