Pith Number

pith:6ZTWTCWF

pith:2013:6ZTWTCWFN7EMOFKJ6O75WRGGOX

not attested not anchored not stored refs pending

Comparison of quantum discord and relative entropy in some bipartite quantum systems

M.B.Arjmandi, M.Mahdian

arxiv:1308.0901 v2 · 2013-08-05 · 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{6ZTWTCWFN7EMOFKJ6O75WRGGOX}

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	2026-05-18T01:17:26.226389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f667698ac56fc8c71549f3bfdb44c675dde2860663cbbb58d984ee7a4d32ded8

Aliases

arxiv: 1308.0901 · arxiv_version: 1308.0901v2 · doi: 10.48550/arxiv.1308.0901 · pith_short_12: 6ZTWTCWFN7EM · pith_short_16: 6ZTWTCWFN7EMOFKJ · pith_short_8: 6ZTWTCWF

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/6ZTWTCWFN7EMOFKJ6O75WRGGOX \
  | 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: f667698ac56fc8c71549f3bfdb44c675dde2860663cbbb58d984ee7a4d32ded8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6bf3abf4327b09223ad9e6a6bd97531959aac94d00743e08d2bdb6a0cdbe7cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-05T08:24:02Z",
    "title_canon_sha256": "f53f7b012e8ce3fff3371529f34d5074ea3850b7d52812148b9bedde13bac994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0901",
    "kind": "arxiv",
    "version": 2
  }
}