Pith Number

pith:N5K67KTR

pith:2007:N5K67KTRG4LWH6VAOG4HUPNWQO

not attested not anchored not stored refs pending

Monogamy Inequality in terms of Negativity for Three-Qubit States

Heng Fan, Yong-Cheng Ou

arxiv:quant-ph/0702127 v4 · 2007-02-13 · 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{N5K67KTRG4LWH6VAOG4HUPNWQO}

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	2026-07-04T15:01:44.577653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f55efaa71371763faa071b87a3db6838d21bec04672d22f256d4449c2027ed4

Aliases

arxiv: quant-ph/0702127 · arxiv_version: quant-ph/0702127v4 · doi: 10.48550/arxiv.quant-ph/0702127 · pith_short_12: N5K67KTRG4LW · pith_short_16: N5K67KTRG4LWH6VA · pith_short_8: N5K67KTR

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/N5K67KTRG4LWH6VAOG4HUPNWQO \
  | 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: 6f55efaa71371763faa071b87a3db6838d21bec04672d22f256d4449c2027ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cabe77b7b8ee5f445b4838f39b2dcaa199a055d3c9b49f72d04826e9891c064",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-02-13T14:13:47Z",
    "title_canon_sha256": "c90af2a5799d2a73524e4c034c178ebe645b5d69579e5f4075c60223fa83a254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0702127",
    "kind": "arxiv",
    "version": 4
  }
}