Pith Number

pith:W47VYWKN

pith:2025:W47VYWKN2L4665KEM24HZWSZGS

not attested not anchored not stored refs pending

Free-space time-bin encoded quantum key distribution from near- to mid-infrared wavelengths

Alessandro Zavatta, Claudia De Lazzari, Davide Bacco, Domenico Ribezzo, Francesco Cappelli, Mario Siciliani de Cumis, Natalia Bruno, Nicola Biagi, Nicola Corrias, Paolo De Natale, Simone Borri, Tecla Gabbrielli

arxiv:2508.13008 v1 · 2025-08-18 · 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{W47VYWKN2L4665KEM24HZWSZGS}

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	2026-07-05T11:55:30.776054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73f5c594dd2f9ef754466b87cda5934a068ba42b07170cbde4a89cc772d6f45

Aliases

arxiv: 2508.13008 · arxiv_version: 2508.13008v1 · doi: 10.48550/arxiv.2508.13008 · pith_short_12: W47VYWKN2L46 · pith_short_16: W47VYWKN2L4665KE · pith_short_8: W47VYWKN

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/W47VYWKN2L4665KEM24HZWSZGS \
  | 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: b73f5c594dd2f9ef754466b87cda5934a068ba42b07170cbde4a89cc772d6f45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6c25ea43715c95991577126abeb0887e1c6d56f11441dbb95389b34e5912745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-18T15:28:22Z",
    "title_canon_sha256": "63a203e1fe2ff7b8473954c2427712adb3fd77562b0604d1b1d6b9db3f0341c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13008",
    "kind": "arxiv",
    "version": 1
  }
}