Pith Number

pith:YMBPPKLC

pith:2022:YMBPPKLCHQVDZD5T2SVMYVQDUV

not attested not anchored not stored refs pending

Improved coherent one-way quantum key distribution for high-loss channels

Charles C. -W. Lim, Emilien Lavie

arxiv:2206.08490 v1 · 2022-06-17 · 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{YMBPPKLCHQVDZD5T2SVMYVQDUV}

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	2026-07-05T05:27:48.398403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c302f7a9623c2a3c8fb3d4aacc5603a54ae77968d474c998e3c583d9b92ace6b

Aliases

arxiv: 2206.08490 · arxiv_version: 2206.08490v1 · doi: 10.48550/arxiv.2206.08490 · pith_short_12: YMBPPKLCHQVD · pith_short_16: YMBPPKLCHQVDZD5T · pith_short_8: YMBPPKLC

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/YMBPPKLCHQVDZD5T2SVMYVQDUV \
  | 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: c302f7a9623c2a3c8fb3d4aacc5603a54ae77968d474c998e3c583d9b92ace6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "833a83f8958f80b84df4346c35228ec7d63ec08196ea8b218677defea31e3921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-06-17T00:07:03Z",
    "title_canon_sha256": "5c192a88033db70f9e887360bc7374b25351dcef586c5ea89041fe0fb472e069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.08490",
    "kind": "arxiv",
    "version": 1
  }
}