Pith Number

pith:NPUPA6E3

pith:2016:NPUPA6E3WFHPKIVO6O6S73FEEX

not attested not anchored not stored refs pending

Fluctuations of the SNR at the output of the MVDR with Regularized Tyler Estimators

Abla Kammoun, Khalil Elkhalil, Mohamed-Slim Alouini, Tareq Y. Al-Naffouri

arxiv:1605.04534 v1 · 2016-05-15 · 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{NPUPA6E3WFHPKIVO6O6S73FEEX}

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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	2026-05-18T01:14:46.923492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be8f0789bb14ef522aef3bd2feca425d5240fc093b8dd3b6014111f0c0837ab

Aliases

arxiv: 1605.04534 · arxiv_version: 1605.04534v1 · doi: 10.48550/arxiv.1605.04534 · pith_short_12: NPUPA6E3WFHP · pith_short_16: NPUPA6E3WFHPKIVO · pith_short_8: NPUPA6E3

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/NPUPA6E3WFHPKIVO6O6S73FEEX \
  | 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: 6be8f0789bb14ef522aef3bd2feca425d5240fc093b8dd3b6014111f0c0837ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a42e48332db75160687b463d4404e638714f76a8e19d0a53ed3241768c26c35c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-15T12:26:16Z",
    "title_canon_sha256": "44a58bd4e32a815b6e2fe0f049ae027f003fe978fdcb62a53fbcf1422306ba2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04534",
    "kind": "arxiv",
    "version": 1
  }
}