Pith Number

pith:ZO2555B2

pith:2016:ZO2555B2R3BSD2MQ467PX3LAI3

not attested not anchored not stored refs pending

Lower bounds of concurrence for $N$-qubit systems and the detection of $k$-nonseparability of multipartite quantum systems

Femgli Yan, Ting Gao, Xianfei Qi

arxiv:1605.05000 v2 · 2016-05-17 · 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{ZO2555B2R3BSD2MQ467PX3LAI3}

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	2026-05-18T00:49:37.952372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbb5def43a8ec321e990e7befbed6046e0eede409f30e833adc3ddf45e32427f

Aliases

arxiv: 1605.05000 · arxiv_version: 1605.05000v2 · doi: 10.48550/arxiv.1605.05000 · pith_short_12: ZO2555B2R3BS · pith_short_16: ZO2555B2R3BSD2MQ · pith_short_8: ZO2555B2

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/ZO2555B2R3BSD2MQ467PX3LAI3 \
  | 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: cbb5def43a8ec321e990e7befbed6046e0eede409f30e833adc3ddf45e32427f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3974ecb0a700985594edbcde8e70d281eb708f3124c4a06baad0562554f877b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-17T02:02:57Z",
    "title_canon_sha256": "d13cbf8359585056f94fb49d3400f983e9cea67614ef0e0964162bbccb37d7a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05000",
    "kind": "arxiv",
    "version": 2
  }
}