Pith Number

pith:753OJZY4

pith:2013:753OJZY4EOAWF6I2HXAUIILDOU

not attested not anchored not stored refs pending

Entangling power of two-qubit gates on mixed states

Chuan-Feng Li, Fernando Galve, Guang-Can Guo, Huan He, Yong-Jian Han, Zhe Guan

arxiv:1311.5809 v1 · 2013-11-22 · 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{753OJZY4EOAWF6I2HXAUIILDOU}

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	2026-05-18T00:19:14.549945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff76e4e71c238162f91a3dc1442163752fc5962da0ed948b8051ebb601adfe25

Aliases

arxiv: 1311.5809 · arxiv_version: 1311.5809v1 · doi: 10.48550/arxiv.1311.5809 · pith_short_12: 753OJZY4EOAW · pith_short_16: 753OJZY4EOAWF6I2 · pith_short_8: 753OJZY4

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/753OJZY4EOAWF6I2HXAUIILDOU \
  | 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: ff76e4e71c238162f91a3dc1442163752fc5962da0ed948b8051ebb601adfe25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "731a449eb1c42e162fa13d967337d102acf798ea5a5e3733c9e6dc3d8f7e527d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-11-22T16:50:39Z",
    "title_canon_sha256": "4bd7c68f058ac8b3f4b89ab2e0ee595f85688f092aa779bf5613b0bbe22146d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5809",
    "kind": "arxiv",
    "version": 1
  }
}