Pith Number

pith:3OCSFO5Y

pith:2026:3OCSFO5YGGP4OKADTU44TPZX6V

not attested not anchored not stored refs pending

Time-Bin BB84 QKD System Using Indium Phosphide and Silicon Nitride Photonic Integrated Circuits

Alexander Grebenchukov, Chigo Okonkwo, Denis Fatkhiev, Gleb Nazarikov, Idelfonso Tafur Monroy, Jo\~ao dos Reis Fraz\~ao

arxiv:2606.21308 v1 · 2026-06-19 · 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{3OCSFO5YGGP4OKADTU44TPZX6V}

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	2026-06-23T01:12:36.791054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db8522bbb8319fc728039d39c9bf37f57fbb572ec5b5efa45557638bde75ee36

Aliases

arxiv: 2606.21308 · arxiv_version: 2606.21308v1 · doi: 10.48550/arxiv.2606.21308 · pith_short_12: 3OCSFO5YGGP4 · pith_short_16: 3OCSFO5YGGP4OKAD · pith_short_8: 3OCSFO5Y

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/3OCSFO5YGGP4OKADTU44TPZX6V \
  | 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: db8522bbb8319fc728039d39c9bf37f57fbb572ec5b5efa45557638bde75ee36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b33e451a7cc0117f096ae658ff2ea3abff91f670c2e9d21dc66b690d6a2414",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-19T10:44:09Z",
    "title_canon_sha256": "0b1b15ba807222f121c2c5e9cc203b0ff55ba165726d1fd58d6ed0fb9d24843f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21308",
    "kind": "arxiv",
    "version": 1
  }
}