pith. sign in
Pith Number

pith:CEEXNWP5

pith:2015:CEEXNWP5MYW5LATTHKUDPOGZ2W
not attested not anchored not stored refs pending

Analytical solutions and criteria for the quantum discord of two-qubit X-states

A.Maldonado-Trapp, AnZi Hu, Luis Roa

arxiv:1501.06900 v2 · 2015-01-27 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CEEXNWP5MYW5LATTHKUDPOGZ2W}

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 2026-05-18T01:07:21.275949Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

110976d9fd662dd582733aa837b8d9d582481c7da0a7ad7ebbe5bebaeab0422a

Aliases

arxiv: 1501.06900 · arxiv_version: 1501.06900v2 · doi: 10.48550/arxiv.1501.06900 · pith_short_12: CEEXNWP5MYW5 · pith_short_16: CEEXNWP5MYW5LATT · pith_short_8: CEEXNWP5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CEEXNWP5MYW5LATTHKUDPOGZ2W \
  | 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: 110976d9fd662dd582733aa837b8d9d582481c7da0a7ad7ebbe5bebaeab0422a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f8942ecb8c3ea3fba60590a02bd448e00d3a22dba512b02251a28d796dee2e20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-01-27T20:42:28Z",
    "title_canon_sha256": "eba138838a89b296fed78a22daee1f4cb75a93127080f73635559f6fa2e6aa34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06900",
    "kind": "arxiv",
    "version": 2
  }
}