Pith Number

pith:ACKT3POU

pith:2013:ACKT3POU6ZYUQWPDYNJN7P4CZC

not attested not anchored not stored refs pending

Comment on "Witnessed entanglement and the geometric measure of quantum discord"

Preeti Parashar, Swapan Rana

arxiv:1301.1961 v1 · 2013-01-09 · 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{ACKT3POU6ZYUQWPDYNJN7P4CZC}

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	2026-05-18T02:42:15.161539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00953dbdd4f6714859e3c352dfbf82c88be23ab5329669eeec99ce1f2ec0853c

Aliases

arxiv: 1301.1961 · arxiv_version: 1301.1961v1 · doi: 10.48550/arxiv.1301.1961 · pith_short_12: ACKT3POU6ZYU · pith_short_16: ACKT3POU6ZYUQWPD · pith_short_8: ACKT3POU

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/ACKT3POU6ZYUQWPDYNJN7P4CZC \
  | 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: 00953dbdd4f6714859e3c352dfbf82c88be23ab5329669eeec99ce1f2ec0853c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6df0473e7cda79ec70b9741aa7f099b30da2a874cb65143a652223fab45c4352",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-09T20:15:50Z",
    "title_canon_sha256": "4310fb7c78559b98f5d066fd0bab8dd1abd1e6b1e89252cdced40aa5b4d94a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1961",
    "kind": "arxiv",
    "version": 1
  }
}