Pith Number

pith:EWRGCREY

pith:2012:EWRGCREY2JAINWNR2VKSPJN43Z

not attested not anchored not stored refs pending

Fundamental Insecurity of Multi-Photon Sources Under Photon-Number Splitting Attacks in Quantum Key Distribution

Horace P. Yuen

arxiv:1207.6985 v3 · 2012-07-30 · 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{EWRGCREY2JAINWNR2VKSPJN43Z}

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	2026-05-18T03:49:21.457394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a2614498d24086d9b1d55527a5bcde453da83fbac2f2a78b7d4e1fbd96c1ad

Aliases

arxiv: 1207.6985 · arxiv_version: 1207.6985v3 · doi: 10.48550/arxiv.1207.6985 · pith_short_12: EWRGCREY2JAI · pith_short_16: EWRGCREY2JAINWNR · pith_short_8: EWRGCREY

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/EWRGCREY2JAINWNR2VKSPJN43Z \
  | 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: 25a2614498d24086d9b1d55527a5bcde453da83fbac2f2a78b7d4e1fbd96c1ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b4354e4ab40f7779d119c3a9e2399e6bb9a9f1c4abb82e50d57c7e1150374ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-30T16:11:50Z",
    "title_canon_sha256": "760600d35014d8d56eab571649ba0ddfa4bdc878556e0f130c469385ec7940b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6985",
    "kind": "arxiv",
    "version": 3
  }
}