Pith Number

pith:7PDQH4F5

pith:2023:7PDQH4F5MEF5Y26LFFUB4RQHFE

not attested not anchored not stored refs pending

Intermodal quantum key distribution field trial with active switching between fiber and free-space channels

Edoardo Rossi, Francesco Picciariello, Francesco Vedovato, Giulio Foletto, Giuseppe Vallone, Ilektra Karakosta-Amarantidou, Luca Calderaro, Marco Avesani, Paolo Villoresi

arxiv:2310.17441 v3 · 2023-10-26 · 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{7PDQH4F5MEF5Y26LFFUB4RQHFE}

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.

Cited by

1 paper in Pith

Free-space model for a balloon-based quantum network

Receipt and verification

First computed	2026-07-05T10:01:31.339740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbc703f0bd610bdc6bcb29681e4607293161049b36f851f10782d0c24232cd93

Aliases

arxiv: 2310.17441 · arxiv_version: 2310.17441v3 · doi: 10.48550/arxiv.2310.17441 · pith_short_12: 7PDQH4F5MEF5 · pith_short_16: 7PDQH4F5MEF5Y26L · pith_short_8: 7PDQH4F5

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/7PDQH4F5MEF5Y26LFFUB4RQHFE \
  | 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: fbc703f0bd610bdc6bcb29681e4607293161049b36f851f10782d0c24232cd93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b4a11996929811b02c05f8c458d2df1076352a2293b94ee19a2515bc8cdc4f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-10-26T14:52:35Z",
    "title_canon_sha256": "e2c16f514b7d309f75748cdc2c18504e57a0e86223a0a29f5d2a2a20c9d37278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.17441",
    "kind": "arxiv",
    "version": 3
  }
}