pith. sign in
Pith Number

pith:WFHDZOL7

pith:2015:WFHDZOL74JQSBJSNN6J4ZN25RG
not attested not anchored not stored refs pending

Geometric quantum discord of a Jaynes-Cummings atom and an isolated atom

Hua-Ping Zhang, Lei Zhang, Wen-Chao Qiang

arxiv:1504.08253 v1 · 2015-04-30 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WFHDZOL74JQSBJSNN6J4ZN25RG}

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 2026-05-18T02:17:22.898492Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b14e3cb97fe26120a64d6f93ccb75d89b955464223f4df4599f6610e332e9a60

Aliases

arxiv: 1504.08253 · arxiv_version: 1504.08253v1 · doi: 10.48550/arxiv.1504.08253 · pith_short_12: WFHDZOL74JQS · pith_short_16: WFHDZOL74JQSBJSN · pith_short_8: WFHDZOL7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WFHDZOL74JQSBJSNN6J4ZN25RG \
  | 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: b14e3cb97fe26120a64d6f93ccb75d89b955464223f4df4599f6610e332e9a60
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c99492feb3d5626fc7d4bf2e42a64f98ffff3d44e2fad4bde40a98bcceb77fbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-30T14:51:37Z",
    "title_canon_sha256": "848167751ac6ab15ed276d6bdd109fe06c7ff0bf72c9a0668162fd56e748f23f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08253",
    "kind": "arxiv",
    "version": 1
  }
}