Pith Number

pith:NOVQP7VG

pith:2012:NOVQP7VGAVT764372Z3LXEHRLQ

not attested not anchored not stored refs pending

The geometric measure of entanglement of pure states with nonnegative amplitudes and the spectral theory of nonnegative tensors

Guofeng Zhang, Liqun Qi, Shenglong Hu

arxiv:1203.3675 v5 · 2012-03-16 · 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{NOVQP7VGAVT764372Z3LXEHRLQ}

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	2026-05-18T02:25:11.007803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bab07fea60567ff737fd676bb90f15c0f3d2024ae5e04bc2a101014d8af8338

Aliases

arxiv: 1203.3675 · arxiv_version: 1203.3675v5 · doi: 10.48550/arxiv.1203.3675 · pith_short_12: NOVQP7VGAVT7 · pith_short_16: NOVQP7VGAVT76437 · pith_short_8: NOVQP7VG

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/NOVQP7VGAVT764372Z3LXEHRLQ \
  | 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: 6bab07fea60567ff737fd676bb90f15c0f3d2024ae5e04bc2a101014d8af8338

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aa55fc20e5e5722b1d73d87e24f307617c567e995bf65a4d0ee750d626c9e6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-16T11:43:39Z",
    "title_canon_sha256": "a9003d9ba32cd31f7f02e7b3f7e0a956f2a7e3dcf8290398c679eec608f543be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3675",
    "kind": "arxiv",
    "version": 5
  }
}