Pith Number

pith:L624FKTS

pith:2011:L624FKTSVQUGDVH6FLP36HASB2

not attested not anchored not stored refs pending

Geometric picture of quantum discord for two-qubit quantum states

Chunxiao Sun, Fengjian Jiang, Jiangfeng Du, Mingjun Shi

arxiv:1102.4888 v1 · 2011-02-24 · 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{L624FKTSVQUGDVH6FLP36HASB2}

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	2026-05-18T02:03:05.691057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fb5c2aa72ac2861d4fe2adfbf1c120ead24846becb8f24f5b205567644c004c

Aliases

arxiv: 1102.4888 · arxiv_version: 1102.4888v1 · doi: 10.48550/arxiv.1102.4888 · pith_short_12: L624FKTSVQUG · pith_short_16: L624FKTSVQUGDVH6 · pith_short_8: L624FKTS

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/L624FKTSVQUGDVH6FLP36HASB2 \
  | 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: 5fb5c2aa72ac2861d4fe2adfbf1c120ead24846becb8f24f5b205567644c004c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bc12bf03e1e24f73e3b18230990a98fe2226863c087a96f1504dbb3f63913ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-24T01:07:06Z",
    "title_canon_sha256": "3a5209327da2693791ba3e3c8a2d3f61d8699b7836a57571cd463c0d4908ecb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4888",
    "kind": "arxiv",
    "version": 1
  }
}