Pith Number

pith:XZULDSVM

pith:2010:XZULDSVM6M5D23RZNEZOPHLJZD

not attested not anchored not stored refs pending

Quantum discord for two-qubit X-states

A. R. P. Rau, Gernot Alber, Mazhar Ali

arxiv:1002.3429 v1 · 2010-02-18 · 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{XZULDSVM6M5D23RZNEZOPHLJZD}

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.

Cited by

1 paper in Pith

Polarization, Maximal Concurrence, and Pure States in High-Energy Collisions

Receipt and verification

First computed	2026-05-18T02:08:59.824793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be68b1caacf33a3d6e396932e79d69c8fe2f291914c70119d83a6d7b792a7461

Aliases

arxiv: 1002.3429 · arxiv_version: 1002.3429v1 · doi: 10.48550/arxiv.1002.3429 · pith_short_12: XZULDSVM6M5D · pith_short_16: XZULDSVM6M5D23RZ · pith_short_8: XZULDSVM

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/XZULDSVM6M5D23RZNEZOPHLJZD \
  | 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: be68b1caacf33a3d6e396932e79d69c8fe2f291914c70119d83a6d7b792a7461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1182d29d737724a5c38acef28b85718fb6f260e0d7913c5147da0af07655285b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-18T05:32:49Z",
    "title_canon_sha256": "27cdda3818bdb42f74b84b6c76dcd6bacb4905ac674e499a973e3cb321020c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3429",
    "kind": "arxiv",
    "version": 1
  }
}