Pith Number

pith:YC4EHUN7

pith:2016:YC4EHUN7ULJKGK7FDRVOP4POEZ

not attested not anchored not stored refs pending

High-bit-rate quantum key distribution with entangled internal degrees of freedom of photons

Andrew Forbes, Benjamin Perez-Garcia, Bienvenu Ndagano, Isaac Nape, Raul I. Hernandez-Aranda, Stirling Scholes, Thomas Konrad

arxiv:1612.09261 v1 · 2016-12-29 · 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{YC4EHUN7ULJKGK7FDRVOP4POEZ}

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	2026-05-18T00:53:46.143380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0b843d1bfa2d2a32be51c6ae7f1ee2671c02e1f6bf03f89ad24442e6112b563

Aliases

arxiv: 1612.09261 · arxiv_version: 1612.09261v1 · doi: 10.48550/arxiv.1612.09261 · pith_short_12: YC4EHUN7ULJK · pith_short_16: YC4EHUN7ULJKGK7F · pith_short_8: YC4EHUN7

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/YC4EHUN7ULJKGK7FDRVOP4POEZ \
  | 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: c0b843d1bfa2d2a32be51c6ae7f1ee2671c02e1f6bf03f89ad24442e6112b563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0589a488143b8e6b6c49e49079e6f99c0e3375c30a276df98530c5d617497e9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-29T19:43:03Z",
    "title_canon_sha256": "0576755ffe63fb89791c0f731c1c1ea7d31de97b4ed5e971ab8f435df6092b93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.09261",
    "kind": "arxiv",
    "version": 1
  }
}