Pith Number

pith:A552RA37

pith:2017:A552RA37VO4264HAQ2IB3V55UC

not attested not anchored not stored refs pending

Calculation of quantum discord in arbitrary dimensions, especially for X- and other specialized states

A. R. P. Rau

arxiv:1701.05922 v2 · 2017-01-20 · 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{A552RA37VO4264HAQ2IB3V55UC}

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	2026-05-18T00:09:53.216705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

077ba8837fabb9af70e086901dd7bda093ea8dd06f369f8d32bd805614f0dcef

Aliases

arxiv: 1701.05922 · arxiv_version: 1701.05922v2 · doi: 10.48550/arxiv.1701.05922 · pith_short_12: A552RA37VO42 · pith_short_16: A552RA37VO4264HA · pith_short_8: A552RA37

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/A552RA37VO4264HAQ2IB3V55UC \
  | 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: 077ba8837fabb9af70e086901dd7bda093ea8dd06f369f8d32bd805614f0dcef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65b4dd6247ba1098c32f2a944ad0a5ad5936f8c10ea4c9000f6d4a2b95f449ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-01-20T20:53:06Z",
    "title_canon_sha256": "69a9dd9a1b3133ee80c6d77330a22dbf08b13a466afece3959bef47b59918e54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05922",
    "kind": "arxiv",
    "version": 2
  }
}