Pith Number

pith:CQRLKH5M

pith:2015:CQRLKH5M2G3LNQ2R6X7A6MPLU3

not attested not anchored not stored refs pending

Chip-based Quantum Key Distribution

Chandra M. Natarajan, Chris Erven, Hirotaka Terai, Jeremy L. O'Brien, Mark Godfrey, Mark G. Thompson, Masahide Sasaki, Michael G. Tanner, Mikio Fujiwara, Philip Sibson, Robert H. Hadfield, Shigehito Miki, Taro Yamashita

arxiv:1509.00768 v1 · 2015-09-02 · 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{CQRLKH5M2G3LNQ2R6X7A6MPLU3}

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	2026-05-18T01:34:06.081563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1422b51facd1b6b6c351f5fe0f31eba6d3db0e07e5582f98e02917f14a37df22

Aliases

arxiv: 1509.00768 · arxiv_version: 1509.00768v1 · doi: 10.48550/arxiv.1509.00768 · pith_short_12: CQRLKH5M2G3L · pith_short_16: CQRLKH5M2G3LNQ2R · pith_short_8: CQRLKH5M

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/CQRLKH5M2G3LNQ2R6X7A6MPLU3 \
  | 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: 1422b51facd1b6b6c351f5fe0f31eba6d3db0e07e5582f98e02917f14a37df22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "972b0a1aedfac3cae6f12ebb1c93acfc52aab0385dc54ac71e41b9663499472d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-02T16:12:00Z",
    "title_canon_sha256": "01a54968063d45648580be1350afc60ee21c85cb2184a401f67b639310fb8576"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00768",
    "kind": "arxiv",
    "version": 1
  }
}