Pith Number

pith:NHW4WQYN

pith:2020:NHW4WQYNAHM4AYMCR6PBUCBPYQ

not attested not anchored not stored refs pending

Security of quantum key distribution with detection-efficiency mismatch in the multiphoton case

Anton Trushechkin

arxiv:2004.07809 v3 · 2020-04-16 · 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{NHW4WQYNAHM4AYMCR6PBUCBPYQ}

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	2026-07-05T04:43:31.338542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69edcb430d01d9c061828f9e1a082fc43afff9633c9f0aee389a09b5bd99692f

Aliases

arxiv: 2004.07809 · arxiv_version: 2004.07809v3 · doi: 10.48550/arxiv.2004.07809 · pith_short_12: NHW4WQYNAHM4 · pith_short_16: NHW4WQYNAHM4AYMC · pith_short_8: NHW4WQYN

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/NHW4WQYNAHM4AYMCR6PBUCBPYQ \
  | 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: 69edcb430d01d9c061828f9e1a082fc43afff9633c9f0aee389a09b5bd99692f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e8d804f66fe4572133c6636878415b522b0c026e394fcb16ce789de9187dd96",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-16T17:55:30Z",
    "title_canon_sha256": "b9bb64d8676e31961ae4cb8f8966e3ddec71600eb11e4edb3f7eee057bec2075"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07809",
    "kind": "arxiv",
    "version": 3
  }
}