pith. sign in
Pith Number

pith:MTN72ZP3

pith:2015:MTN72ZP3JFDTY77JZTUGE2KEPQ
not attested not anchored not stored refs pending

Quantum discord and information deficit in spin chains

L. Ciliberti, N. Canosa, R. Rossignoli

arxiv:1505.03807 v1 · 2015-05-14 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MTN72ZP3JFDTY77JZTUGE2KEPQ}

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 2026-05-18T02:04:05.309663Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

64dbfd65fb49473c7fe9cce86269447c3897f34bc6cbbd6f326d03dd04966566

Aliases

arxiv: 1505.03807 · arxiv_version: 1505.03807v1 · doi: 10.48550/arxiv.1505.03807 · pith_short_12: MTN72ZP3JFDT · pith_short_16: MTN72ZP3JFDTY77J · pith_short_8: MTN72ZP3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MTN72ZP3JFDTY77JZTUGE2KEPQ \
  | 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: 64dbfd65fb49473c7fe9cce86269447c3897f34bc6cbbd6f326d03dd04966566
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "466d5ee2851e7d16f8b3919f092529fd5866205ca5f10dab5093cdc37d8486df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-14T17:31:15Z",
    "title_canon_sha256": "f488a288116ae71d8efc7d44de9463279b19883ecf27aeac9f4f063568a6816c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03807",
    "kind": "arxiv",
    "version": 1
  }
}