Pith Number

pith:O2PORK4C

pith:2013:O2PORK4C3PGUI33UPV5ORNPB4G

not attested not anchored not stored refs pending

True Multipartite Entanglement Hardy Test

Marcin Wie\'sniak, Marek \.Zukowski, Ramij Rahaman

arxiv:1303.0128 v4 · 2013-03-01 · 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{O2PORK4C3PGUI33UPV5ORNPB4G}

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	2026-05-18T02:30:22.968398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

769ee8ab82dbcd446f747d7ae8b5e1e197a45900ff09f26b319464dbef3bdcc7

Aliases

arxiv: 1303.0128 · arxiv_version: 1303.0128v4 · doi: 10.48550/arxiv.1303.0128 · pith_short_12: O2PORK4C3PGU · pith_short_16: O2PORK4C3PGUI33U · pith_short_8: O2PORK4C

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/O2PORK4C3PGUI33UPV5ORNPB4G \
  | 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: 769ee8ab82dbcd446f747d7ae8b5e1e197a45900ff09f26b319464dbef3bdcc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cc58bd7ab07066cf95ad1453a8227a75e61ad87910bf0beed6a949c73235433",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-01T10:02:23Z",
    "title_canon_sha256": "2c4b02f06cea7b0cebbecabbb9d5cf75d6ca2c781ca51c9e468bd9ff6a879b9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0128",
    "kind": "arxiv",
    "version": 4
  }
}