Pith Number

pith:3CH34U54

pith:2018:3CH34U5424X3QTL76DSOPFC6O6

not attested not anchored not stored refs pending

Sparse Principal Component Analysis via Variable Projection

Aleksandr Y. Aravkin, J. Nathan Kutz, Krithika Manohar, N. Benjamin Erichson, Peng Zheng, Steven L. Brunton

arxiv:1804.00341 v3 · 2018-04-01 · stat.ML · cs.LG

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\usepackage{pith}
\pithnumber{3CH34U5424X3QTL76DSOPFC6O6}

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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.

Cited by

1 paper in Pith

Separable nonlinear least-squares parameter estimation for complex dynamic systems

Receipt and verification

First computed	2026-07-05T02:01:59.181260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d88fbe53bcd72fb84d7ff0e4e7945e77be4d39dd824029e99c0c866401af1f9f

Aliases

arxiv: 1804.00341 · arxiv_version: 1804.00341v3 · doi: 10.48550/arxiv.1804.00341 · pith_short_12: 3CH34U5424X3 · pith_short_16: 3CH34U5424X3QTL7 · pith_short_8: 3CH34U54

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/3CH34U5424X3QTL76DSOPFC6O6 \
  | 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: d88fbe53bcd72fb84d7ff0e4e7945e77be4d39dd824029e99c0c866401af1f9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99879af9ffce8daf23075b2fee46a59040f4774ce48b90c0b466003816780669",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-04-01T20:49:56Z",
    "title_canon_sha256": "8a528118f3a9ee11e54ebb90d62ee69589b069b2ef9c1479122f821b7ab90073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00341",
    "kind": "arxiv",
    "version": 3
  }
}