Pith Number

pith:BTXGKGE6

pith:2026:BTXGKGE65CIJDZ34VPNDJCFA3B

not attested not anchored not stored refs pending

Security of passive entanglement-based key distribution protocols

Koichi Takasugi, Koji Azuma, Shun Kawakami

arxiv:2607.10659 v1 · 2026-07-12 · 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{BTXGKGE65CIJDZ34VPNDJCFA3B}

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	2026-07-14T01:21:33.081004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cee65189ee89091e77cabda3488a0d85b2b1375b328e8b620b31dc7b63f78ac

Aliases

arxiv: 2607.10659 · arxiv_version: 2607.10659v1 · doi: 10.48550/arxiv.2607.10659 · pith_short_12: BTXGKGE65CIJ · pith_short_16: BTXGKGE65CIJDZ34 · pith_short_8: BTXGKGE6

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/BTXGKGE65CIJDZ34VPNDJCFA3B \
  | 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: 0cee65189ee89091e77cabda3488a0d85b2b1375b328e8b620b31dc7b63f78ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bad9ef68c6f646b6deacf2949fc15ecc60a22a044edce162e44cd40c329a2d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-12T08:58:02Z",
    "title_canon_sha256": "4eaab488274bdc0b0c23f0393161e48a4a85ca78efc44e0fdd44fdd345accd42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.10659",
    "kind": "arxiv",
    "version": 1
  }
}