Pith Number

pith:WOQRFGFW

pith:2026:WOQRFGFWF25EIPWN4XBDJ7MGPV

not attested not anchored not stored refs pending

Demonstration of an LLO CV-QKD system over 12 km of optical fiber

Artur A. Matoso, Christiano M. S. Nascimento, Guilherme P. Tempor\~ao, Gustavo C. Amaral

arxiv:2608.07277 v1 · 2026-08-07 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOQRFGFWF25EIPWN4XBDJ7MGPV}

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	2026-08-10T01:14:50.222491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3a11298b62eba443ecde5c234fd867d6652d05c5152bbe78bfc32d16196d6e1

Aliases

arxiv: 2608.07277 · arxiv_version: 2608.07277v1 · doi: 10.48550/arxiv.2608.07277 · pith_short_12: WOQRFGFWF25E · pith_short_16: WOQRFGFWF25EIPWN · pith_short_8: WOQRFGFW

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/WOQRFGFWF25EIPWN4XBDJ7MGPV \
  | 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: b3a11298b62eba443ecde5c234fd867d6652d05c5152bbe78bfc32d16196d6e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "794f5516e39b74fff93faba28b1decdba5815ff14b9bd4f2f728231c47b9d5b2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-07T14:37:33Z",
    "title_canon_sha256": "749b298f232eca525b9936841fea3ce8753561c454b79912d6a02e81c262b1d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07277",
    "kind": "arxiv",
    "version": 1
  }
}