Pith Number

pith:D2JAQ4XP

pith:2013:D2JAQ4XPHZOTSTLB5UN2E7QZJR

not attested not anchored not stored refs pending

Multipartite Entanglement Witnesses

J. Sperling, W. Vogel

arxiv:1303.6403 v2 · 2013-03-26 · 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{D2JAQ4XPHZOTSTLB5UN2E7QZJR}

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.

Cited by

1 paper in Pith

Entanglement Certification $-$ From Theory to Experiment

Receipt and verification

First computed	2026-05-18T01:50:52.763839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e920872ef3e5d394d61ed1ba27e194c75526f95be2912b63729eec8620d8edf

Aliases

arxiv: 1303.6403 · arxiv_version: 1303.6403v2 · doi: 10.48550/arxiv.1303.6403 · pith_short_12: D2JAQ4XPHZOT · pith_short_16: D2JAQ4XPHZOTSTLB · pith_short_8: D2JAQ4XP

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/D2JAQ4XPHZOTSTLB5UN2E7QZJR \
  | 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: 1e920872ef3e5d394d61ed1ba27e194c75526f95be2912b63729eec8620d8edf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e8289c405c4a004baf45895d7c49bd1eee69127986965ac6ffddc0bd8965937",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-26T08:16:46Z",
    "title_canon_sha256": "1eed8d3aee11a332d421804c3e1a93e911e4dc267c58d36899b233401e1a643f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6403",
    "kind": "arxiv",
    "version": 2
  }
}