pith. sign in
Pith Number

pith:QSK6WQFP

pith:2013:QSK6WQFPFAWKVQEBJZ677RRDQX
not attested not anchored not stored refs pending

Adaptive Variable Step Algorithm for Missing Samples Recovery in Sparse Signals

Ljubisa Stankovic, Milos Dakovic, Stefan Vujovic

arxiv:1309.5749 v1 · 2013-09-23 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QSK6WQFPFAWKVQEBJZ677RRDQX}

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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 2026-05-18T03:12:34.294183Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8495eb40af282caac0814e7dffc62385ed67f8bb5daac4907ad8933e4bf940d9

Aliases

arxiv: 1309.5749 · arxiv_version: 1309.5749v1 · doi: 10.48550/arxiv.1309.5749 · pith_short_12: QSK6WQFPFAWK · pith_short_16: QSK6WQFPFAWKVQEB · pith_short_8: QSK6WQFP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QSK6WQFPFAWKVQEBJZ677RRDQX \
  | 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: 8495eb40af282caac0814e7dffc62385ed67f8bb5daac4907ad8933e4bf940d9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "00cf87923f64bb0a28db0a7fab96ef31e7d6b4fe437a7b1498ead30f7dfcdc2b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-23T10:01:29Z",
    "title_canon_sha256": "839d3b10732ae26b9bd1e6ccd331a72521286f7a0752b104a3f133c108b430b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5749",
    "kind": "arxiv",
    "version": 1
  }
}