Pith Number

pith:IFOTZHR4

pith:2025:IFOTZHR4Y6SRCFBEVTTQSFL23U

not attested not anchored not stored refs pending

Asymptotically tight security analysis of quantum key distribution based on universal source compression

Masato Koashi, Shinichiro Yamano, Takaya Matsuura, Toshihiko Sasaki, Yui Kuramochi

arxiv:2504.07356 v2 · 2025-04-10 · 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{IFOTZHR4Y6SRCFBEVTTQSFL23U}

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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

2 papers in Pith

Universal quantum resource distillation via composite generalised quantum Stein's lemma

Rigorous Security Proofs for Practical Quantum Key Distribution

Receipt and verification

First computed	2026-05-17T23:39:05.007261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

415d3c9e3cc7a5111424ace709157add386c2f3f972c004ebf3868582d20319a

Aliases

arxiv: 2504.07356 · arxiv_version: 2504.07356v2 · doi: 10.48550/arxiv.2504.07356 · pith_short_12: IFOTZHR4Y6SR · pith_short_16: IFOTZHR4Y6SRCFBE · pith_short_8: IFOTZHR4

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/IFOTZHR4Y6SRCFBEVTTQSFL23U \
  | 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: 415d3c9e3cc7a5111424ace709157add386c2f3f972c004ebf3868582d20319a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fd76bdc34afc79ccc4f860a806a2a0228a3a6e53b5c6fab209bc54863b631b2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-10T00:52:13Z",
    "title_canon_sha256": "3912f616b1e2674248ca5e74026638937f3c35f6d7732364eff58723a1555594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.07356",
    "kind": "arxiv",
    "version": 2
  }
}