Pith Number

pith:BWUQ7JXR

pith:2015:BWUQ7JXROMTHUT7RS5V7TTPTH4

not attested not anchored not stored refs pending

Thresholds for reduction-related entanglement criteria in quantum information theory

Ion Nechita, Maria Anastasia Jivulescu, Nicolae Lupa

arxiv:1503.08008 v2 · 2015-03-27 · math-ph · math.MP · 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{BWUQ7JXROMTHUT7RS5V7TTPTH4}

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	2026-05-18T01:32:29.959531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da90fa6f173267a4ff1976bf9cdf33f260f316993aa8f93647843086f866a10

Aliases

arxiv: 1503.08008 · arxiv_version: 1503.08008v2 · doi: 10.48550/arxiv.1503.08008 · pith_short_12: BWUQ7JXROMTH · pith_short_16: BWUQ7JXROMTHUT7R · pith_short_8: BWUQ7JXR

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/BWUQ7JXROMTHUT7RS5V7TTPTH4 \
  | 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: 0da90fa6f173267a4ff1976bf9cdf33f260f316993aa8f93647843086f866a10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81d883bcb770519600b83827dc7215cfa63498d3076c657e7b5fa16ae339b44c",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-03-27T10:06:04Z",
    "title_canon_sha256": "6a585ff7620c093b1ef3b2692be7b3aaa0a5da7c8e22ca73774ff692fa25dae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08008",
    "kind": "arxiv",
    "version": 2
  }
}