Pith Number

pith:I7I5IIFO

pith:2014:I7I5IIFOBDFDX7DJMR25YNTOHB

not attested not anchored not stored refs pending

Quantum Hacking on Quantum Key Distribution using Homodyne Detection

Christian Weedbrook, Guang-Can Guo, Jing-Zheng Huang, Paul Jouguet, S\'ebastien Kunz-Jacques, Shuang Wang, Wei Chen, Zheng-Fu Han, Zhen-Qiang Yin

arxiv:1402.6921 v1 · 2014-02-27 · 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{I7I5IIFOBDFDX7DJMR25YNTOHB}

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	2026-05-18T02:56:59.415712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d1d420ae08ca3bfc696475dc366e3843ebe0b502a6b1ee779fa52be790138f

Aliases

arxiv: 1402.6921 · arxiv_version: 1402.6921v1 · doi: 10.48550/arxiv.1402.6921 · pith_short_12: I7I5IIFOBDFD · pith_short_16: I7I5IIFOBDFDX7DJ · pith_short_8: I7I5IIFO

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/I7I5IIFOBDFDX7DJMR25YNTOHB \
  | 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: 47d1d420ae08ca3bfc696475dc366e3843ebe0b502a6b1ee779fa52be790138f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de7d146ea81ff18f11cf49225d622e7081e09be4a8d76be4695d483be5f227e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-27T14:30:09Z",
    "title_canon_sha256": "88e8aa692bb4086b6278c8340758f68e2ea051d6b7509b42e416da659e37049f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6921",
    "kind": "arxiv",
    "version": 1
  }
}