Pith Number

pith:BAVVYQUV

pith:2012:BAVVYQUVE35RSYJZR5IVW7F2BF

not attested not anchored not stored refs pending

Measuring geometric quantum discord using one bit of quantum information

G. Passante, O. Moussa, R. Laflamme

arxiv:1202.4475 v2 · 2012-02-20 · 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{BAVVYQUVE35RSYJZR5IVW7F2BF}

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	2026-05-18T03:51:14.189148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

082b5c429526fb1961398f515b7cba096165bb08e0ba70610e27d5dee48030a0

Aliases

arxiv: 1202.4475 · arxiv_version: 1202.4475v2 · doi: 10.48550/arxiv.1202.4475 · pith_short_12: BAVVYQUVE35R · pith_short_16: BAVVYQUVE35RSYJZ · pith_short_8: BAVVYQUV

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/BAVVYQUVE35RSYJZR5IVW7F2BF \
  | 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: 082b5c429526fb1961398f515b7cba096165bb08e0ba70610e27d5dee48030a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91e91115ff68435f0ec8e41d955d5c79565d614c6d7d320ca8d48baecf5034b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-20T21:36:32Z",
    "title_canon_sha256": "3214e763dda0bd0300439bebd674f19e12c8ff346eaf66bf87ae679c758099cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4475",
    "kind": "arxiv",
    "version": 2
  }
}