Pith Number

pith:KDJUFDG4

pith:2015:KDJUFDG4QOVAXFH4XTCOFT6U5M

not attested not anchored not stored refs pending

Unidimensional continuous-variable quantum key distribution

Fr\'ed\'eric Grosshans, Vladyslav C. Usenko

arxiv:1504.07093 v2 · 2015-04-27 · 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{KDJUFDG4QOVAXFH4XTCOFT6U5M}

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	2026-05-18T01:23:08.496947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50d3428cdc83aa0b94fcbcc4e2cfd4eb1ff0498859baadda0c3348a6eb0dc484

Aliases

arxiv: 1504.07093 · arxiv_version: 1504.07093v2 · doi: 10.48550/arxiv.1504.07093 · pith_short_12: KDJUFDG4QOVA · pith_short_16: KDJUFDG4QOVAXFH4 · pith_short_8: KDJUFDG4

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/KDJUFDG4QOVAXFH4XTCOFT6U5M \
  | 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: 50d3428cdc83aa0b94fcbcc4e2cfd4eb1ff0498859baadda0c3348a6eb0dc484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e2226a23568653ccc3111f6516245f4cb9afca9c647105dec5791bad1c7d1bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-27T13:59:03Z",
    "title_canon_sha256": "00a419f201611a5a3c3d6a920264723e45f7136da52455c7a765cf4b08727a78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07093",
    "kind": "arxiv",
    "version": 2
  }
}