Pith Number

pith:DGYLQ4RA

pith:2010:DGYLQ4RAGXEQI4EY4SQRNPBU3S

not attested not anchored not stored refs pending

Collaborative Spectrum Sensing from Sparse Observations Using Matrix Completion for Cognitive Radio Networks

Ekram Houssain, Husheng Li, Jia (Jasmine) Meng, Wotao Yin, Zhu Han

arxiv:1001.2038 v2 · 2010-01-12 · 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{DGYLQ4RAGXEQI4EY4SQRNPBU3S}

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	2026-05-18T01:26:25.843365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19b0b8722035c9047098e4a116bc34dcb2977a013025fca0176fad3735f7ec43

Aliases

arxiv: 1001.2038 · arxiv_version: 1001.2038v2 · doi: 10.48550/arxiv.1001.2038 · pith_short_12: DGYLQ4RAGXEQ · pith_short_16: DGYLQ4RAGXEQI4EY · pith_short_8: DGYLQ4RA

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/DGYLQ4RAGXEQI4EY4SQRNPBU3S \
  | 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: 19b0b8722035c9047098e4a116bc34dcb2977a013025fca0176fad3735f7ec43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f551874105967d206079aba1ea12be5deffa7b95cf2cec57796a52af0973d45",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-01-12T22:51:09Z",
    "title_canon_sha256": "0618f302fad012a0ca6d425a84fd046d95a5a54b9b3defa51c20ea5edf363ae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2038",
    "kind": "arxiv",
    "version": 2
  }
}