Pith Number

pith:H6RHWH2D

pith:2012:H6RHWH2DQLILWJ6X54SEXEZQJY

not attested not anchored not stored refs pending

Problems of Security Proofs and Fundamental Limit on Key Generation Rate in Quantum Key Distribution

Horace P. Yuen

arxiv:1205.3820 v2 · 2012-05-16 · 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{H6RHWH2DQLILWJ6X54SEXEZQJY}

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	2026-05-18T03:55:13.606194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fa27b1f4382d0bb27d7ef244b93304e3ecdb24efcca8d67fd58744ac93f50ce

Aliases

arxiv: 1205.3820 · arxiv_version: 1205.3820v2 · doi: 10.48550/arxiv.1205.3820 · pith_short_12: H6RHWH2DQLIL · pith_short_16: H6RHWH2DQLILWJ6X · pith_short_8: H6RHWH2D

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/H6RHWH2DQLILWJ6X54SEXEZQJY \
  | 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: 3fa27b1f4382d0bb27d7ef244b93304e3ecdb24efcca8d67fd58744ac93f50ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a35516db7662298dcf6eb03dd209b61acec446302d4038c35e1ae54e4986db57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-16T22:07:01Z",
    "title_canon_sha256": "d45c708204b2d7e4fbf857c3be77f9cc979c18582f6c629f475d814264dd9829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3820",
    "kind": "arxiv",
    "version": 2
  }
}