Pith Number

pith:QWOMSRVJ

pith:2012:QWOMSRVJMXOBTRFOMOPKGNIZMF

not attested not anchored not stored refs pending

Quantum discord and its asymptotic behaviors in a time-dependent XY spin chain

Bin Shao, Jian Zhang, Jian Zou, Lian-Ao Wu

arxiv:1207.3557 v1 · 2012-07-16 · 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{QWOMSRVJMXOBTRFOMOPKGNIZMF}

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	2026-05-18T03:51:00.772800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859cc946a965dc19c4ae639ea33519615b56018bbe287127b84c28391aff2cb5

Aliases

arxiv: 1207.3557 · arxiv_version: 1207.3557v1 · doi: 10.48550/arxiv.1207.3557 · pith_short_12: QWOMSRVJMXOB · pith_short_16: QWOMSRVJMXOBTRFO · pith_short_8: QWOMSRVJ

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/QWOMSRVJMXOBTRFOMOPKGNIZMF \
  | 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: 859cc946a965dc19c4ae639ea33519615b56018bbe287127b84c28391aff2cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98694cf3a39bcc166fc09c7cac0f7bde9bb8600a8b3fc3603a4a1eba05f6e212",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-16T00:34:10Z",
    "title_canon_sha256": "737936a95f6d12833ec5620502ecb761824de643ce1f6c9ec89c7add6da8baeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3557",
    "kind": "arxiv",
    "version": 1
  }
}