Pith Number

pith:FHULGQQZ

pith:2012:FHULGQQZNOQSJJFXCYWUHRKKM3

not attested not anchored not stored refs pending

Entanglement is not a lower bound for geometric discord

Preeti Parashar, Swapan Rana

arxiv:1207.5523 v3 · 2012-07-23 · 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{FHULGQQZNOQSJJFXCYWUHRKKM3}

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	2026-05-18T02:42:15.284771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29e8b342196ba124a4b7162d43c54a66f9cadac25265a1dd2cf990ac34cbb95c

Aliases

arxiv: 1207.5523 · arxiv_version: 1207.5523v3 · doi: 10.48550/arxiv.1207.5523 · pith_short_12: FHULGQQZNOQS · pith_short_16: FHULGQQZNOQSJJFX · pith_short_8: FHULGQQZ

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/FHULGQQZNOQSJJFXCYWUHRKKM3 \
  | 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: 29e8b342196ba124a4b7162d43c54a66f9cadac25265a1dd2cf990ac34cbb95c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "782c3ff9c82011791a29e7e0f50e272f3c2b065d1727228c8bb8b9eb947b3233",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-23T20:13:00Z",
    "title_canon_sha256": "ee4f808aea883f04ae7947c49ea8c0a8745f7bb4134e0ce7f9b30de4dbdb6223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5523",
    "kind": "arxiv",
    "version": 3
  }
}