Pith Number

pith:4QDRIDLM

pith:2013:4QDRIDLMC5EKNRLPOXUSOUHGBI

not attested not anchored not stored refs pending

Essential lack of security proof in quantum key distribution

Horace P. Yuen

arxiv:1310.0842 v2 · 2013-10-02 · 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{4QDRIDLMC5EKNRLPOXUSOUHGBI}

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	2026-05-18T03:09:33.072135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e407140d6c1748a6c56f75e92750e60a123c227c5a6448afe9b8c48280c10f7c

Aliases

arxiv: 1310.0842 · arxiv_version: 1310.0842v2 · doi: 10.48550/arxiv.1310.0842 · pith_short_12: 4QDRIDLMC5EK · pith_short_16: 4QDRIDLMC5EKNRLP · pith_short_8: 4QDRIDLM

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/4QDRIDLMC5EKNRLPOXUSOUHGBI \
  | 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: e407140d6c1748a6c56f75e92750e60a123c227c5a6448afe9b8c48280c10f7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14d79d85ed8f00166da1980017a21c375a82e5850ffc49d1be4ec569bea56455",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-02T21:00:01Z",
    "title_canon_sha256": "bcd8fbd445ed451b1f18545016185d330e96b597c26264e98623b692572057d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.0842",
    "kind": "arxiv",
    "version": 2
  }
}