Pith Number

pith:KPKE7UNC

pith:2021:KPKE7UNC7ANJW2DVKNJUEANDYS

not attested not anchored not stored refs pending

Sharing classical secrets with continuous-variable entanglement: Composable security and network coding advantage

Jens Eisert, Nathan Walk

arxiv:2104.10659 v2 · 2021-04-21 · 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{KPKE7UNC7ANJW2DVKNJUEANDYS}

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	2026-07-05T04:00:01.952609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d44fd1a2f81a9b687553534201a3c4945fd5b138e2c418b499e4b87df2e561

Aliases

arxiv: 2104.10659 · arxiv_version: 2104.10659v2 · doi: 10.48550/arxiv.2104.10659 · pith_short_12: KPKE7UNC7ANJ · pith_short_16: KPKE7UNC7ANJW2DV · pith_short_8: KPKE7UNC

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/KPKE7UNC7ANJW2DVKNJUEANDYS \
  | 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: 53d44fd1a2f81a9b687553534201a3c4945fd5b138e2c418b499e4b87df2e561

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6cf9ee6096ac8bab03048c53a22c7a1923ca33c26a56318a1aeb2a7b80c9eb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-21T17:37:28Z",
    "title_canon_sha256": "6cc4b24ddd7bf2c2b8f57f77579cfead731383b72ce7a636c9e98d03eacf3454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10659",
    "kind": "arxiv",
    "version": 2
  }
}