Pith Number

pith:FXX42D6H

pith:2013:FXX42D6HZOYBPZ3KKW6P2CLBOT

not attested not anchored not stored refs pending

Limited measurement dependence in multiple runs of a Bell test

Alastair Kay, James E. Pope

arxiv:1304.4904 v2 · 2013-04-17 · 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{FXX42D6HZOYBPZ3KKW6P2CLBOT}

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	2026-05-18T03:03:54.830818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2defcd0fc7cbb017e76a55bcfd096174dde5b7265e7c44c3b6bee4a3a64e8f48

Aliases

arxiv: 1304.4904 · arxiv_version: 1304.4904v2 · doi: 10.48550/arxiv.1304.4904 · pith_short_12: FXX42D6HZOYB · pith_short_16: FXX42D6HZOYBPZ3K · pith_short_8: FXX42D6H

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/FXX42D6HZOYBPZ3KKW6P2CLBOT \
  | 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: 2defcd0fc7cbb017e76a55bcfd096174dde5b7265e7c44c3b6bee4a3a64e8f48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f86d26a7216701bba88ce0dd9d0cc7fa3d338b38ffcc4aa9e9aa936c842c333e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-17T18:22:34Z",
    "title_canon_sha256": "0de1582e042b6a1398d791b870d3cf85330135e5a5b610e4613c22c4b40565a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4904",
    "kind": "arxiv",
    "version": 2
  }
}