Pith Number

pith:NU6KPXCS

pith:2017:NU6KPXCSAGSOT33EFRSM4RAQOZ

not attested not anchored not stored refs pending

Polygamy relation for the R\'enyi-$\alpha$ entanglement of assistance in multi-qubit systems

Da-Chuang Li, Jian Zhou, Jun-Long Zhao, Li-Hua Zhang, Ming Yang, Wei Song, Zhuo-Liang Cao

arxiv:1703.02858 v2 · 2017-03-08 · 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{NU6KPXCSAGSOT33EFRSM4RAQOZ}

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	2026-07-05T03:44:48.217624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d3ca7dc5201a4e9ef642c64ce44107660f260f7427327470729e40656ff9115

Aliases

arxiv: 1703.02858 · arxiv_version: 1703.02858v2 · doi: 10.48550/arxiv.1703.02858 · pith_short_12: NU6KPXCSAGSO · pith_short_16: NU6KPXCSAGSOT33E · pith_short_8: NU6KPXCS

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/NU6KPXCSAGSOT33EFRSM4RAQOZ \
  | 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: 6d3ca7dc5201a4e9ef642c64ce44107660f260f7427327470729e40656ff9115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e387c08b382026530dd5ec8f5fceaa2e3481ff3149a7289853ea05d6a1031770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-03-08T14:48:52Z",
    "title_canon_sha256": "74549c93b53aa01c48472598fa512f17a5425566ab4214730729607d880a0f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02858",
    "kind": "arxiv",
    "version": 2
  }
}