Pith Number

pith:OO24ECZM

pith:2026:OO24ECZMOEDPTZGEPKLIB7Y43L

not attested not anchored not stored refs pending

Photon Efficiency of High-Dimensional Quantum Key Distribution

Marcin Jarzyna, Vera Uzunova

arxiv:2605.21018 v1 · 2026-05-20 · 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{OO24ECZMOEDPTZGEPKLIB7Y43L}

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	2026-05-21T01:05:32.608546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73b5c20b2c7106f9e4c47a9680ff1cdad1f7576f6527e743936df7f392272e70

Aliases

arxiv: 2605.21018 · arxiv_version: 2605.21018v1 · doi: 10.48550/arxiv.2605.21018 · pith_short_12: OO24ECZMOEDP · pith_short_16: OO24ECZMOEDPTZGE · pith_short_8: OO24ECZM

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/OO24ECZMOEDPTZGEPKLIB7Y43L \
  | 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: 73b5c20b2c7106f9e4c47a9680ff1cdad1f7576f6527e743936df7f392272e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "562caa71ea1969fdec83c2107c9498eb5784ea882dd9a4e661747e17b9ff0b20",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-20T10:50:55Z",
    "title_canon_sha256": "bf8e0dd358ff59a2059f2df424bc5fa81c8dd06234d483faec218f8e6f55ae14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21018",
    "kind": "arxiv",
    "version": 1
  }
}