Pith Number

pith:B7K2DZSP

pith:2018:B7K2DZSPLRPCIEBYRHLAPXGSVO

not attested not anchored not stored refs pending

Security of quantum key distribution with detection-efficiency mismatch in the single-photon case: Tight bounds

A. S. Trushechkin, M. K. Bochkov

arxiv:1810.04663 v3 · 2018-10-10 · 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{B7K2DZSPLRPCIEBYRHLAPXGSVO}

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	2026-05-17T23:52:04.891166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd5a1e64f5c5e24103889d607dcd2abb2c9f2fbac2fe16f57fc81193ab0ee67

Aliases

arxiv: 1810.04663 · arxiv_version: 1810.04663v3 · doi: 10.48550/arxiv.1810.04663 · pith_short_12: B7K2DZSPLRPC · pith_short_16: B7K2DZSPLRPCIEBY · pith_short_8: B7K2DZSP

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/B7K2DZSPLRPCIEBYRHLAPXGSVO \
  | 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: 0fd5a1e64f5c5e24103889d607dcd2abb2c9f2fbac2fe16f57fc81193ab0ee67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82db9dd5a130160afe2968f1d677814a6abfd2261cd12c1c5a98511241e618b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-10T17:51:03Z",
    "title_canon_sha256": "a3a51d27670e214236ef8bd4cef4eeef7cfc8e7c28d14cd61602c5e7e010e96d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04663",
    "kind": "arxiv",
    "version": 3
  }
}