Pith Number

pith:XQM4KAXE

pith:2012:XQM4KAXE3CDE3AG4J4JZBIWCKY

not attested not anchored not stored refs pending

Optimal pair generation rate for Entanglement-based QKD

Catherine Holloway, Christopher Erven, Jean-Philippe Bourgoin, John A. Doucette, Thomas Jennewein

arxiv:1210.0209 v1 · 2012-09-30 · 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{XQM4KAXE3CDE3AG4J4JZBIWCKY}

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	2026-05-18T03:31:17.036680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc19c502e4d8864d80dc4f1390a2c2563bc40327c2b9849899a8a78dc3ef2397

Aliases

arxiv: 1210.0209 · arxiv_version: 1210.0209v1 · doi: 10.48550/arxiv.1210.0209 · pith_short_12: XQM4KAXE3CDE · pith_short_16: XQM4KAXE3CDE3AG4 · pith_short_8: XQM4KAXE

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/XQM4KAXE3CDE3AG4J4JZBIWCKY \
  | 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: bc19c502e4d8864d80dc4f1390a2c2563bc40327c2b9849899a8a78dc3ef2397

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b54e5aeb5b01207f4e7a54dc432c279b3ec6e44f3b9ca429457ef9be90d5218",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-30T15:18:11Z",
    "title_canon_sha256": "d168e5d996ef3488a5d876703cd8ad26ffb9f138a1e8802fc4711a0040319791"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0209",
    "kind": "arxiv",
    "version": 1
  }
}