pith. sign in
Pith Number

pith:HMJANMRQ

pith:2015:HMJANMRQKJHBN7UL3VPAYDRITV
not attested not anchored not stored refs pending

Quantum Discord for $d\otimes2$ Systems

Felipe F. Fanchini, Shao-Ming Fei, Zhihao Ma, Zhihua Chen

arxiv:1509.01410 v1 · 2015-09-04 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HMJANMRQKJHBN7UL3VPAYDRITV}

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 2026-05-18T01:33:57.736763Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3b1206b230524e16fe8bdd5e0c0e289d75662ae9caeae2ff6ce351f02241c994

Aliases

arxiv: 1509.01410 · arxiv_version: 1509.01410v1 · doi: 10.48550/arxiv.1509.01410 · pith_short_12: HMJANMRQKJHB · pith_short_16: HMJANMRQKJHBN7UL · pith_short_8: HMJANMRQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HMJANMRQKJHBN7UL3VPAYDRITV \
  | 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: 3b1206b230524e16fe8bdd5e0c0e289d75662ae9caeae2ff6ce351f02241c994
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1f7a1368b7c2ab44e8aadbae6b713153e22c919f00c6b4173591c4e0654d905f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-04T11:35:07Z",
    "title_canon_sha256": "6ee93ac02bc078f5077fcd69b0bea7a9b12291c52bcfc4c398db373984f8a054"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01410",
    "kind": "arxiv",
    "version": 1
  }
}