Pith Number

pith:IHFO6GG5

pith:2011:IHFO6GG5RS7Y6WNONLNBHLUE3D

not attested not anchored not stored refs pending

Spectrum Sensing for Cognitive Radio Using Kernel-Based Learning

Robert C. Qiu, Shujie Hou

arxiv:1105.2978 v1 · 2011-05-15 · cs.NI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHFO6GG5RS7Y6WNONLNBHLUE3D}

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	2026-05-18T04:22:01.652171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41caef18dd8cbf8f59ae6ada13ae84d8c390094a05d24cde9364c02ce012562c

Aliases

arxiv: 1105.2978 · arxiv_version: 1105.2978v1 · doi: 10.48550/arxiv.1105.2978 · pith_short_12: IHFO6GG5RS7Y · pith_short_16: IHFO6GG5RS7Y6WNO · pith_short_8: IHFO6GG5

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/IHFO6GG5RS7Y6WNONLNBHLUE3D \
  | 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: 41caef18dd8cbf8f59ae6ada13ae84d8c390094a05d24cde9364c02ce012562c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ab004af55e92d39ed6b12cb4c873fcd3e26c0f3bfbc2c8a227f9fed36dd6813",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2011-05-15T23:48:37Z",
    "title_canon_sha256": "69e616c53448f54b81477ddcbcaf88333e13fb8f7b88b0101d6e3142a2d87ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2978",
    "kind": "arxiv",
    "version": 1
  }
}