Pith Number

pith:AKY7WWW7

pith:2025:AKY7WWW7BGPU2OG4CVYVN4OTTL

not attested not anchored not stored refs pending

Security of quantum key distribution with source and detector imperfections through phase-error estimation

Devashish Tupkary, Guillermo Curr\'as-Lorenzo, Margarida Pereira, Shlok Nahar

arxiv:2507.03549 v1 · 2025-07-04 · 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{AKY7WWW7BGPU2OG4CVYVN4OTTL}

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.

Cited by

3 papers in Pith

Numerical security analysis for practical quantum key distribution

Security of decoy-state quantum key distribution with correlated bit-and-basis encoders

Rigorous Security Proofs for Practical Quantum Key Distribution

Receipt and verification

First computed	2026-07-05T11:32:01.375114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02b1fb5adf099f4d38dc157156f1d39ae0902481a2435e39f88936252a024fb2

Aliases

arxiv: 2507.03549 · arxiv_version: 2507.03549v1 · doi: 10.48550/arxiv.2507.03549 · pith_short_12: AKY7WWW7BGPU · pith_short_16: AKY7WWW7BGPU2OG4 · pith_short_8: AKY7WWW7

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/AKY7WWW7BGPU2OG4CVYVN4OTTL \
  | 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: 02b1fb5adf099f4d38dc157156f1d39ae0902481a2435e39f88936252a024fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d92d43e082427eefe58470e0bf51f0fe60cdfd12886291c41ac99403480b22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-04T12:58:12Z",
    "title_canon_sha256": "71b1ed1de098a53d678678a83dced2ad17e823516cf83bf7096a04e98cb3e604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.03549",
    "kind": "arxiv",
    "version": 1
  }
}