Pith Number

pith:JCOUAVR2

pith:2025:JCOUAVR2EHTZQVVMBGPHR3B7XM

not attested not anchored not stored refs pending

Optimal entanglement witness of multipartite systems using support vector machine approach

Mahmoud Mahdian, Zahra Mousavi

arxiv:2504.18163 v1 · 2025-04-25 · 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{JCOUAVR2EHTZQVVMBGPHR3B7XM}

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

Bounding the entanglement of a state from its spectrum

Receipt and verification

First computed	2026-07-05T10:54:03.078221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

489d40563a21e79856ac099e78ec3fbb1c9c3d17b34ee6cf51834a45e6c8789c

Aliases

arxiv: 2504.18163 · arxiv_version: 2504.18163v1 · doi: 10.48550/arxiv.2504.18163 · pith_short_12: JCOUAVR2EHTZ · pith_short_16: JCOUAVR2EHTZQVVM · pith_short_8: JCOUAVR2

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/JCOUAVR2EHTZQVVMBGPHR3B7XM \
  | 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: 489d40563a21e79856ac099e78ec3fbb1c9c3d17b34ee6cf51834a45e6c8789c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc6323f4139d871051d4c1e74e84cca14516f76af964498dfbafc7ac4ae2621d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-25T08:25:39Z",
    "title_canon_sha256": "00dbf6e4192466f7b86c86f10b97b7643fc9d1a55c681185b8fcbd516e1f22f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18163",
    "kind": "arxiv",
    "version": 1
  }
}