Pith Number

pith:LJDF4FY3

pith:2016:LJDF4FY3WNCHAB6PWRYSI6BWH7

not attested not anchored not stored refs pending

The regularized tau estimator: A robust and efficient solution to ill-posed linear inverse problems

Abdelhak M. Zoubir, Benjamin Bejar, Marta Martinez-Camara, Martin Vetterli, Michael Muma

arxiv:1606.00812 v1 · 2016-05-23 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJDF4FY3WNCHAB6PWRYSI6BWH7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:13:00.532858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a465e171bb3447007cfb4712478363fc5480f2bb3fb0ed4316c24da863968f0

Aliases

arxiv: 1606.00812 · arxiv_version: 1606.00812v1 · doi: 10.48550/arxiv.1606.00812 · pith_short_12: LJDF4FY3WNCH · pith_short_16: LJDF4FY3WNCHAB6P · pith_short_8: LJDF4FY3

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/LJDF4FY3WNCHAB6PWRYSI6BWH7 \
  | 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: 5a465e171bb3447007cfb4712478363fc5480f2bb3fb0ed4316c24da863968f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1a065d129572efebed4956e165673fc45ad71cb05d327322661a43d92445fac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-05-23T13:29:37Z",
    "title_canon_sha256": "18686d029d1ec1533b627b3fd337662935d02dc66a7a640a3b079a797490922e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00812",
    "kind": "arxiv",
    "version": 1
  }
}