Pith Number

pith:VTYVBSYU

pith:2017:VTYVBSYUQ3DLVFBBQENQIJYTZH

not attested not anchored not stored refs pending

Metropolitan quantum key distribution with silicon photonics

Andrew Pomerene, Andrew Starbuck, Anthony Lentine, Catherine Lee, Changchen Chen, Christopher DeRose, Christopher M. Long, Darius Bunandar, Dirk Englund, Douglas Trotter, Franco N. C. Wong, Hong Cai, Junji Urayama, Matthew Grein, Nicholas Boynton, Nicholas Martinez, Paul Davids, Ryan Camacho, Scott Hamilton

arxiv:1708.00434 v1 · 2017-08-01 · 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{VTYVBSYUQ3DLVFBBQENQIJYTZH}

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	2026-05-18T00:18:53.518895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acf150cb1486c6ba9421811b042713c9fab534e1ba30801eadbf11666c8c0401

Aliases

arxiv: 1708.00434 · arxiv_version: 1708.00434v1 · doi: 10.48550/arxiv.1708.00434 · pith_short_12: VTYVBSYUQ3DL · pith_short_16: VTYVBSYUQ3DLVFBB · pith_short_8: VTYVBSYU

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/VTYVBSYUQ3DLVFBBQENQIJYTZH \
  | 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: acf150cb1486c6ba9421811b042713c9fab534e1ba30801eadbf11666c8c0401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6fe8d7fe26b69d2b1a7cd2df2719c985d0644a5d221f471f624ee7889f4bc85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-01T17:49:17Z",
    "title_canon_sha256": "848315b1b9947a3b23d4f25db373c7ea17bad5c3cacec535ec97d6ed9248df7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00434",
    "kind": "arxiv",
    "version": 1
  }
}