Pith Number

pith:7FCCV4D5

pith:2011:7FCCV4D5CQYHALB6RTKWIV2K4V

not attested not anchored not stored refs pending

New features of quantum discord uncovered by q-entropies

A. Plastino, A. P. Majtey, A. R. Plastino

arxiv:1112.4957 v1 · 2011-12-21 · 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{7FCCV4D5CQYHALB6RTKWIV2K4V}

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	2026-05-18T01:59:04.107755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9442af07d1430702c3e8cd564574ae55233029c441045182ddf09da844e8ec4

Aliases

arxiv: 1112.4957 · arxiv_version: 1112.4957v1 · doi: 10.48550/arxiv.1112.4957 · pith_short_12: 7FCCV4D5CQYH · pith_short_16: 7FCCV4D5CQYHALB6 · pith_short_8: 7FCCV4D5

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/7FCCV4D5CQYHALB6RTKWIV2K4V \
  | 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: f9442af07d1430702c3e8cd564574ae55233029c441045182ddf09da844e8ec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "813259a212bb11f48d9e5480b098f420b1cd5e5b7a24fa79413f1694d6adf26a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-21T09:27:10Z",
    "title_canon_sha256": "94c7d1496f21f3367e1f50e7b24c93adc42e80048489439d4a1b6eb12d6ad1f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4957",
    "kind": "arxiv",
    "version": 1
  }
}