Pith Number

pith:IIZPI7BP

pith:2010:IIZPI7BPMH4ERUZYQ5Z7M6W2QH

not attested not anchored not stored refs pending

Large-System Analysis of Joint Channel and Data Estimation for MIMO DS-CDMA Systems

Keigo Takeuchi, Mikko Vehkaperae, Ralf R. Mueller, Toshiyuki Tanaka

arxiv:1002.4470 v2 · 2010-02-24 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIZPI7BPMH4ERUZYQ5Z7M6W2QH}

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	2026-05-18T00:59:11.021084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4232f47c2f61f848d3388773f67ada81cd4ab390e821ce92c33da4f3579dce2d

Aliases

arxiv: 1002.4470 · arxiv_version: 1002.4470v2 · doi: 10.48550/arxiv.1002.4470 · pith_short_12: IIZPI7BPMH4E · pith_short_16: IIZPI7BPMH4ERUZY · pith_short_8: IIZPI7BP

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/IIZPI7BPMH4ERUZYQ5Z7M6W2QH \
  | 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: 4232f47c2f61f848d3388773f67ada81cd4ab390e821ce92c33da4f3579dce2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0ef5cdc97e3db5dc7d5e5280bdc852f97f09cd359bd96ac3d4a1748827e4d99",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-02-24T05:50:07Z",
    "title_canon_sha256": "29cdf6e2968133b874bde34b8902be6eaeccf9b6f1b67c602a17f0d10c4a9278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4470",
    "kind": "arxiv",
    "version": 2
  }
}