Pith Number

pith:IVVJVYCR

pith:2020:IVVJVYCRYR44AD3HBAOHTGHVV7

not attested not anchored not stored refs pending

The information capacity of entanglement-assisted continuous variable measurement

A. A. Kuznetsova, A. S. Holevo

arxiv:2004.05331 v3 · 2020-04-11 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVVJVYCRYR44AD3HBAOHTGHVV7}

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	2026-07-05T01:31:10.524874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

456a9ae051c479c00f67081c7998f5afee0ee14a5b2fd9de8d1c034f0e594d57

Aliases

arxiv: 2004.05331 · arxiv_version: 2004.05331v3 · doi: 10.48550/arxiv.2004.05331 · pith_short_12: IVVJVYCRYR44 · pith_short_16: IVVJVYCRYR44AD3H · pith_short_8: IVVJVYCR

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/IVVJVYCRYR44AD3HBAOHTGHVV7 \
  | 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: 456a9ae051c479c00f67081c7998f5afee0ee14a5b2fd9de8d1c034f0e594d57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4041134553fb2ba5a3af6c1e4ebe60c42d5f6dc39cdb601ddecd6a4c315b7bae",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-11T08:06:33Z",
    "title_canon_sha256": "f7628a1aca4251a6ed59f0384c37183fb4fb626db5aebe60da99aa3b3a71d999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05331",
    "kind": "arxiv",
    "version": 3
  }
}