Pith Number

pith:YJBQZLYS

pith:2021:YJBQZLYSFQL7YTNTXJ4AAPVY7U

not attested not anchored not stored refs pending

Security in Quantum Cryptography

Christopher Portmann, Renato Renner

arxiv:2102.00021 v2 · 2021-01-29 · quant-ph · cs.CR · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJBQZLYSFQL7YTNTXJ4AAPVY7U}

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.

Cited by

1 paper in Pith

Finite-size quantum key distribution rates from R\'enyi entropies using conic optimization

Receipt and verification

First computed	2026-07-05T04:39:16.100417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2430caf122c17fc4db3ba78003eb8fd3e391b1ea61aaebe5c34e08112f1d61b

Aliases

arxiv: 2102.00021 · arxiv_version: 2102.00021v2 · doi: 10.48550/arxiv.2102.00021 · pith_short_12: YJBQZLYSFQL7 · pith_short_16: YJBQZLYSFQL7YTNT · pith_short_8: YJBQZLYS

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/YJBQZLYSFQL7YTNTXJ4AAPVY7U \
  | 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: c2430caf122c17fc4db3ba78003eb8fd3e391b1ea61aaebe5c34e08112f1d61b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7e27ce1f53a20898b73a5b7f2e96858f7eda1e3ebceb894122ec1387b7b261a",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-29T19:00:54Z",
    "title_canon_sha256": "22c7c04e56a69cf4d43652346883f72c3982df1cf315b1aa6ddd28a8f68774be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00021",
    "kind": "arxiv",
    "version": 2
  }
}