Pith Number

pith:CL3FFAPC

pith:2018:CL3FFAPCYXODYVBNIPVSPKMZRE

not attested not anchored not stored refs pending

Key-Rate Bound of a Semi-Quantum Protocol Using an Entropic Uncertainty Relation

Walter O. Krawec

arxiv:1801.00745 v2 · 2018-01-02 · 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{CL3FFAPCYXODYVBNIPVSPKMZRE}

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	2026-05-18T00:26:35.584205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f65281e2c5dc3c542d43eb27a999890ed908dcc7d6a3efa0c1e58ae495e9bb

Aliases

arxiv: 1801.00745 · arxiv_version: 1801.00745v2 · doi: 10.48550/arxiv.1801.00745 · pith_short_12: CL3FFAPCYXOD · pith_short_16: CL3FFAPCYXODYVBN · pith_short_8: CL3FFAPC

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/CL3FFAPCYXODYVBNIPVSPKMZRE \
  | 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: 12f65281e2c5dc3c542d43eb27a999890ed908dcc7d6a3efa0c1e58ae495e9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdf1b87ef8ab9326073fe6602492ddecf5c4f4fb47e3b8f206a9bee0faf0bce7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-01-02T17:47:31Z",
    "title_canon_sha256": "a3e2f90fdbb926bedd75c49791956f557db6dc19aad0cbf1a032db89d8bbdb28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00745",
    "kind": "arxiv",
    "version": 2
  }
}