Pith Number

pith:5J4QCGLS

pith:2015:5J4QCGLSJ6M2NZDEVL3OEUSHOE

not attested not anchored not stored refs pending

The maximally entangled set of 4-qubit states

B. Kraus, C. Spee, J. I. de Vicente

arxiv:1510.09164 v2 · 2015-10-30 · 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{5J4QCGLSJ6M2NZDEVL3OEUSHOE}

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	2026-05-18T01:14:29.197479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea790119724f99a6e464aaf6e25247713c7e183e73ef625a71f067a3ff0d9dfb

Aliases

arxiv: 1510.09164 · arxiv_version: 1510.09164v2 · doi: 10.48550/arxiv.1510.09164 · pith_short_12: 5J4QCGLSJ6M2 · pith_short_16: 5J4QCGLSJ6M2NZDE · pith_short_8: 5J4QCGLS

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/5J4QCGLSJ6M2NZDEVL3OEUSHOE \
  | 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: ea790119724f99a6e464aaf6e25247713c7e183e73ef625a71f067a3ff0d9dfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0b842223b7af063cf9b3f5d28c6f5ecaf4c058b91062ab2e70deea6691a9ad5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-10-30T17:18:56Z",
    "title_canon_sha256": "8aeee2f365de0facee93ec94471f9dc67a9c89df415d95dd8c76270ed4ca5964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.09164",
    "kind": "arxiv",
    "version": 2
  }
}