Pith Number

pith:PJEZGAEP

pith:2012:PJEZGAEPP4OL55EALN7KLHZXSJ

not attested not anchored not stored refs pending

Quantum repeaters and quantum key distribution: analysis of secret key rates

Dagmar Bru{\ss}, Hermann Kampermann, Nadja K. Bernardes, Peter van Loock, Silvestre Abruzzo, Sylvia Bratzik

arxiv:1208.2201 v2 · 2012-08-10 · 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{PJEZGAEPP4OL55EALN7KLHZXSJ}

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	2026-05-18T03:20:45.384828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a4993008f7f1cbef4805b7ea59f379243419b3d4b4f72ba5002048b5abda0c8

Aliases

arxiv: 1208.2201 · arxiv_version: 1208.2201v2 · doi: 10.48550/arxiv.1208.2201 · pith_short_12: PJEZGAEPP4OL · pith_short_16: PJEZGAEPP4OL55EA · pith_short_8: PJEZGAEP

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/PJEZGAEPP4OL55EALN7KLHZXSJ \
  | 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: 7a4993008f7f1cbef4805b7ea59f379243419b3d4b4f72ba5002048b5abda0c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83c2ab2ac3fe346d6c0aa9784fe73749118398730d214694d00d12338bb4c7c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-10T15:13:28Z",
    "title_canon_sha256": "7332b6d96de629abd56862062a8ab7f942848a7f06932393a6db35a684b91063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2201",
    "kind": "arxiv",
    "version": 2
  }
}