Pith Number

pith:WX6ZNOBF

pith:2014:WX6ZNOBF5OVWKHCWZHACANBCJM

not attested not anchored not stored refs pending

Concurrence-based Entanglement Measure For True $4$-way Entanglement

DaeKil Park, Eylee Jung

arxiv:1403.6948 v2 · 2014-03-27 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WX6ZNOBF5OVWKHCWZHACANBCJM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:54:46.404235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5fd96b825ebab651c56c9c02034224b3bcb1d62e820cb0fd548bb54fbde8d38

Aliases

arxiv: 1403.6948 · arxiv_version: 1403.6948v2 · doi: 10.48550/arxiv.1403.6948 · pith_short_12: WX6ZNOBF5OVW · pith_short_16: WX6ZNOBF5OVWKHCW · pith_short_8: WX6ZNOBF

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/WX6ZNOBF5OVWKHCWZHACANBCJM \
  | 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: b5fd96b825ebab651c56c9c02034224b3bcb1d62e820cb0fd548bb54fbde8d38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "116aa9b2d506ffce37f7b53e40d811efd1f0e64594c5a422707d40bc8e44ae33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-27T08:28:17Z",
    "title_canon_sha256": "cbd98e5163cf1aabe18f3d6d9b9263b01d2f41d034f676d15d721df8375c1652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6948",
    "kind": "arxiv",
    "version": 2
  }
}