Pith Number

pith:OAMP72XM

pith:2018:OAMP72XMZPMJXURBHUB6HWXYCD

not attested not anchored not stored refs pending

A Unified Framework for Sparse Relaxed Regularized Regression: SR3

Aleksandr Y. Aravkin, J. Nathan Kutz, Peng Zheng, Steven L. Brunton, Travis Askham

arxiv:1807.05411 v4 · 2018-07-14 · stat.ML · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAMP72XMZPMJXURBHUB6HWXYCD}

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

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	2026-05-18T00:01:16.447202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7018ffeaeccbd89bd2213d03e3daf810ec0566167976602c8d43aeab36f97528

Aliases

arxiv: 1807.05411 · arxiv_version: 1807.05411v4 · doi: 10.48550/arxiv.1807.05411 · pith_short_12: OAMP72XMZPMJ · pith_short_16: OAMP72XMZPMJXURB · pith_short_8: OAMP72XM

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/OAMP72XMZPMJXURBHUB6HWXYCD \
  | 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: 7018ffeaeccbd89bd2213d03e3daf810ec0566167976602c8d43aeab36f97528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "121c7547e6fde5324303979774e3db1bec4de28809e029897a46197ac807309d",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-07-14T15:37:37Z",
    "title_canon_sha256": "71e422e6e6b0520254d10352c4d0a4f3ed4ea78fd8cc04c5af151137fda665d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05411",
    "kind": "arxiv",
    "version": 4
  }
}