Pith Number

pith:VY3HO3FS

pith:2025:VY3HO3FS2G2PKMT6H3YQ6OT7N3

not attested not anchored not stored refs pending

A Unified Approach to Quantum Key Leasing with a Classical Lessor

Fuyuki Kitagawa, Jiahui Liu, Shota Yamada, Takashi Yamakawa

arxiv:2510.08079 v2 · 2025-10-09 · quant-ph · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VY3HO3FS2G2PKMT6H3YQ6OT7N3}

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	2026-07-22T01:23:32.578528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae36776cb2d1b4f5327e3ef10f3a7f6ee817560831b1cc0fcaf5f3618acfd066

Aliases

arxiv: 2510.08079 · arxiv_version: 2510.08079v2 · doi: 10.48550/arxiv.2510.08079 · pith_short_12: VY3HO3FS2G2P · pith_short_16: VY3HO3FS2G2PKMT6 · pith_short_8: VY3HO3FS

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/VY3HO3FS2G2PKMT6H3YQ6OT7N3 \
  | 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: ae36776cb2d1b4f5327e3ef10f3a7f6ee817560831b1cc0fcaf5f3618acfd066

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aecbed8989e292001cbf9a77a42b95b4fd71c605946a187e61eab6b76b49b80",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-10-09T11:09:34Z",
    "title_canon_sha256": "f97931b69d20653d4e69696bd686dc89c5d839664f5a674716f1996305b71ea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.08079",
    "kind": "arxiv",
    "version": 2
  }
}