Pith Number

pith:UDE7T75R

pith:2015:UDE7T75RNY2O3D4KRRI2EWSS4T

not attested not anchored not stored refs pending

Comment on "Quantum discord through the generalized entropy in bipartite quantum states"

Angelo Plastino, Angel R. Plastino, Anna P. Majtey, Guido Bellomo

arxiv:1504.02046 v1 · 2015-04-08 · 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{UDE7T75RNY2O3D4KRRI2EWSS4T}

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	2026-05-18T02:19:17.353219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c9f9ffb16e34ed8f8a8c51a25a52e4e2dc93dd02d68d1c969a914336b8f996

Aliases

arxiv: 1504.02046 · arxiv_version: 1504.02046v1 · doi: 10.48550/arxiv.1504.02046 · pith_short_12: UDE7T75RNY2O · pith_short_16: UDE7T75RNY2O3D4K · pith_short_8: UDE7T75R

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/UDE7T75RNY2O3D4KRRI2EWSS4T \
  | 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: a0c9f9ffb16e34ed8f8a8c51a25a52e4e2dc93dd02d68d1c969a914336b8f996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f9e0b26df59263ae0f30c8921119e17022834086cfd7fb2c9250e00aa0ffe77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-08T17:40:07Z",
    "title_canon_sha256": "51042860bf63ceb8d5fbd55433d44416b64e052327a4b7190484f866fbdd46d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02046",
    "kind": "arxiv",
    "version": 1
  }
}