Pith Number

pith:CF77DHFH

pith:2026:CF77DHFHTTHQONJOW34UM3PJFW

not attested not anchored not stored refs pending

Practical Countermeasure Against Attacks Exploiting Detection Efficiency Mismatch in Quantum Key Distribution

Andrew J. Shields, Ben J. Taylor, James F. Dynes, Marco Lucamarini, Peter R. Smith, R. Mark Stevenson, Robert I. Woodward

arxiv:2605.22580 v1 · 2026-05-21 · 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{CF77DHFHTTHQONJOW34UM3PJFW}

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	2026-05-22T01:04:58.669219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

117ff19ca79ccf07352eb6f9466de92da6777043588504e33183502a9d0ff50f

Aliases

arxiv: 2605.22580 · arxiv_version: 2605.22580v1 · doi: 10.48550/arxiv.2605.22580 · pith_short_12: CF77DHFHTTHQ · pith_short_16: CF77DHFHTTHQONJO · pith_short_8: CF77DHFH

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/CF77DHFHTTHQONJOW34UM3PJFW \
  | 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: 117ff19ca79ccf07352eb6f9466de92da6777043588504e33183502a9d0ff50f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "736e56f3adcb5e622fdccad15faba380c0a4cd8e3ceb12f8239004d60e110409",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-21T14:53:01Z",
    "title_canon_sha256": "ae19e7cd59899096c1f4383d8385294e54f90ad953b02ddcd5e26a74c5ee3ecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22580",
    "kind": "arxiv",
    "version": 1
  }
}