Pith Number

pith:CZJCPLQI

pith:2023:CZJCPLQIWN34KGFW45GAPAOZKT

not attested not anchored not stored refs pending

International time transfer between precise timing facilities secured with a quantum key distribution network

Amita Shrestha, Daniele Dequal, Davide Orsucci, Florian Moll, Francesco Picciariello, Francesco Vedovato, Giulio Foletto, Giuseppe Vallone, Johann Furthner, Luca Calderaro, Ludwig Blumel, Marco Avesani, Matteo Padovan, Pablo Nahuel Dominguez, Paolo Villoresi, Thomas Zechel, Tobias D. Schmidt

arxiv:2305.01554 v1 · 2023-05-02 · 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{CZJCPLQIWN34KGFW45GAPAOZKT}

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	2026-07-05T07:35:18.815160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

165227ae08b377c518b6e74c0781d954cdfa065e2bfa2db2c6177ac1ceafd1d1

Aliases

arxiv: 2305.01554 · arxiv_version: 2305.01554v1 · doi: 10.48550/arxiv.2305.01554 · pith_short_12: CZJCPLQIWN34 · pith_short_16: CZJCPLQIWN34KGFW · pith_short_8: CZJCPLQI

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/CZJCPLQIWN34KGFW45GAPAOZKT \
  | 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: 165227ae08b377c518b6e74c0781d954cdfa065e2bfa2db2c6177ac1ceafd1d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d8eb0a50071c014725fd675e07441a2197d2f07fd8a1b9b5c7bc0b4819233ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-05-02T15:55:20Z",
    "title_canon_sha256": "187c00e4604e97ce99b9bb5dd1fe64fd13a254e467419bdab745cfc95a7c8804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.01554",
    "kind": "arxiv",
    "version": 1
  }
}