pith. sign in
Pith Number

pith:HSMIDA45

pith:2013:HSMIDA45D2CYXWBWYHYC4V4XIP
not attested not anchored not stored refs pending

Sub-Nyquist Sampling for Power Spectrum Sensing in Cognitive Radios: A Unified Approach

Deborah Cohen, Yonina C. Eldar

arxiv:1308.5149 v1 · 2013-08-23 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HSMIDA45D2CYXWBWYHYC4V4XIP}

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 2026-05-18T01:47:59.172745Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3c9881839d1e858bd836c1f02e579743dc933079bdc13fbab968f42c6f67565b

Aliases

arxiv: 1308.5149 · arxiv_version: 1308.5149v1 · doi: 10.48550/arxiv.1308.5149 · pith_short_12: HSMIDA45D2CY · pith_short_16: HSMIDA45D2CYXWBW · pith_short_8: HSMIDA45
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HSMIDA45D2CYXWBWYHYC4V4XIP \
  | 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: 3c9881839d1e858bd836c1f02e579743dc933079bdc13fbab968f42c6f67565b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "52a40fd1d765c7d52fad2c6065d972059bfcd9dac26b4dbbb5341d7ecd534d2e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-23T14:57:33Z",
    "title_canon_sha256": "98b84749dfb3199c8e64c62711679d324f77c8fa1e615751e36b87bc97ecc6eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5149",
    "kind": "arxiv",
    "version": 1
  }
}