Pith Number

pith:X47ZPUG6

pith:2018:X47ZPUG63RTO4MECM4CTIWCOJI

not attested not anchored not stored refs pending

Multi-Code-Rate Correction Technique with IR-QC-LDPC: An application to QKD

Chengzhi Peng, Hongbo Xie, Kun Cheng, Qiming Lu, Qi Shen, Shengkai Liao

arxiv:1806.03110 v2 · 2018-06-08 · cs.IT · math.IT · physics.app-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{X47ZPUG63RTO4MECM4CTIWCOJI}

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	2026-07-05T00:15:45.750075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf3f97d0dedc66ee3082670534584e4a387f10410d288b447346a40f070b3770

Aliases

arxiv: 1806.03110 · arxiv_version: 1806.03110v2 · doi: 10.48550/arxiv.1806.03110 · pith_short_12: X47ZPUG63RTO · pith_short_16: X47ZPUG63RTO4MEC · pith_short_8: X47ZPUG6

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/X47ZPUG63RTO4MECM4CTIWCOJI \
  | 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: bf3f97d0dedc66ee3082670534584e4a387f10410d288b447346a40f070b3770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f35b5bdeb52ff3b8815be37931e0566a8aa160fb0c0a9d16ddf990377c5a71c0",
    "cross_cats_sorted": [
      "math.IT",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-06-08T12:16:28Z",
    "title_canon_sha256": "68131a24bbbd8a4619cb7a8b1bba673b0c496fd261ee39fbc0e0eb5c2aab3686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03110",
    "kind": "arxiv",
    "version": 2
  }
}