Pith Number

pith:FI6G7NGM

pith:2008:FI6G7NGM6ZZKABNKATFFFGL7BL

not attested not anchored not stored refs pending

Sufficient and Necessary Condition of Separability for Generalized Werner States

Dong-Ling Deng, Jing-Ling Chen

arxiv:0808.1147 v1 · 2008-08-08 · 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{FI6G7NGM6ZZKABNKATFFFGL7BL}

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	2026-05-18T04:27:15.328853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a3c6fb4ccf672a005aa04ca52997f0af3138853c8a34b2777575a52ac032650

Aliases

arxiv: 0808.1147 · arxiv_version: 0808.1147v1 · doi: 10.48550/arxiv.0808.1147 · pith_short_12: FI6G7NGM6ZZK · pith_short_16: FI6G7NGM6ZZKABNK · pith_short_8: FI6G7NGM

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/FI6G7NGM6ZZKABNKATFFFGL7BL \
  | 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: 2a3c6fb4ccf672a005aa04ca52997f0af3138853c8a34b2777575a52ac032650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "648ce90c3270ae16c4f190cd474898009b3a73a9d267278b33169285f25d052b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-08-08T03:07:14Z",
    "title_canon_sha256": "6875bb0d94e9f346367afc6a08a58c601bdd6559b379546bfc0633af5ef9c9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.1147",
    "kind": "arxiv",
    "version": 1
  }
}