Pith Number

pith:KUK7ABKG

pith:2009:KUK7ABKGRJQ4WJPYM5KIGOQEDC

not attested not anchored not stored refs pending

Filter and nested-lattice code design for fading MIMO channels with side-information

Chung-Pi Lee, Hsuan-Jung Su, Pin-Hsun Lin, Shih-Chun Lin

arxiv:0902.4106 v1 · 2009-02-24 · cs.IT · math.IT

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUK7ABKGRJQ4WJPYM5KIGOQEDC}

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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	2026-05-18T04:19:22.436286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5515f005468a61cb25f86754833a041885db32faa89d9e1c7b1d9ab1ac7ca65c

Aliases

arxiv: 0902.4106 · arxiv_version: 0902.4106v1 · doi: 10.48550/arxiv.0902.4106 · pith_short_12: KUK7ABKGRJQ4 · pith_short_16: KUK7ABKGRJQ4WJPY · pith_short_8: KUK7ABKG

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/KUK7ABKGRJQ4WJPYM5KIGOQEDC \
  | 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: 5515f005468a61cb25f86754833a041885db32faa89d9e1c7b1d9ab1ac7ca65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ff5bdeb7c2e32fe1d8ee72f337a77ac3a8a22102eafab7b75712ef5c6fdb08",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-02-24T09:54:57Z",
    "title_canon_sha256": "23de90eaffa60ea8a4fcb3227982b955cf27c7617ed63be563e318adb47ff78b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4106",
    "kind": "arxiv",
    "version": 1
  }
}