Pith Number

pith:NI3IREK7

pith:2011:NI3IREK7ELOCCMX7TD2RFJWBTR

not attested not anchored not stored refs pending

SVM and Dimensionality Reduction in Cognitive Radio with Experimental Validation

Robert C. Qiu, Shujie Hou, Zhe Chen, Zhen Hu

arxiv:1106.2325 v1 · 2011-06-12 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NI3IREK7ELOCCMX7TD2RFJWBTR}

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	2026-05-18T04:20:05.995512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3688915f22dc2132ff98f512a6c19c458494bb0218359c4faf1b2cf5df88ac

Aliases

arxiv: 1106.2325 · arxiv_version: 1106.2325v1 · doi: 10.48550/arxiv.1106.2325 · pith_short_12: NI3IREK7ELOC · pith_short_16: NI3IREK7ELOCCMX7 · pith_short_8: NI3IREK7

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/NI3IREK7ELOCCMX7TD2RFJWBTR \
  | 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: 6a3688915f22dc2132ff98f512a6c19c458494bb0218359c4faf1b2cf5df88ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0bbcff2963de93f6f8c3ca6e5341aac4fa76f09cbb984e859d60efddaaecb84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2011-06-12T18:03:06Z",
    "title_canon_sha256": "4849779fea12e0681b3da448cfa1b4efd34289c3006db3e95299dd34b1690824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2325",
    "kind": "arxiv",
    "version": 1
  }
}