Pith Number

pith:6FIFWJN4

pith:2016:6FIFWJN4V43LNFY6NVPLILQEUG

not attested not anchored not stored refs pending

Sampling Requirements and Accelerated Schemes for Sparse Linear Regression with Orthogonal Least-Squares

Abolfazl Hashemi, Haris Vikalo

arxiv:1608.02549 v2 · 2016-08-08 · stat.ML · 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{6FIFWJN4V43LNFY6NVPLILQEUG}

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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	2026-05-18T00:18:32.115309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1505b25bcaf36b6971e6d5eb42e04a1b04c340bb3cf807a8b7e2d6878035eb2

Aliases

arxiv: 1608.02549 · arxiv_version: 1608.02549v2 · doi: 10.48550/arxiv.1608.02549 · pith_short_12: 6FIFWJN4V43L · pith_short_16: 6FIFWJN4V43LNFY6 · pith_short_8: 6FIFWJN4

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/6FIFWJN4V43LNFY6NVPLILQEUG \
  | 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: f1505b25bcaf36b6971e6d5eb42e04a1b04c340bb3cf807a8b7e2d6878035eb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8d0c118b6c275f8754d1260ab077dde15df508a28534d56f37b9b6d9b169f08",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-08-08T18:36:30Z",
    "title_canon_sha256": "a275bea133ee79e0c3fc19da3d247411b4c4cbf5cb887813c6baff3a62c732dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02549",
    "kind": "arxiv",
    "version": 2
  }
}