Pith Number

pith:N5DPN4EY

pith:2017:N5DPN4EYRGJZQGL6P6G4CERHRY

not attested not anchored not stored refs pending

Additive Models with Trend Filtering

Ryan J. Tibshirani, Veeranjaneyulu Sadhanala

arxiv:1702.05037 v4 · 2017-02-16 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5DPN4EYRGJZQGL6P6G4CERHRY}

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	2026-05-18T00:00:09.370210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f46f6f098899398197e7f8dc112278e016c7f3dd9403d2dc8860696f44e4ac6

Aliases

arxiv: 1702.05037 · arxiv_version: 1702.05037v4 · doi: 10.48550/arxiv.1702.05037 · pith_short_12: N5DPN4EYRGJZ · pith_short_16: N5DPN4EYRGJZQGL6 · pith_short_8: N5DPN4EY

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/N5DPN4EYRGJZQGL6P6G4CERHRY \
  | 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: 6f46f6f098899398197e7f8dc112278e016c7f3dd9403d2dc8860696f44e4ac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd3548c32c5f1d31e4b5c58c71ccfc12f5a82f3cba73ea4bd3ad4dbbb058b884",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-02-16T16:19:56Z",
    "title_canon_sha256": "00f21d1193d4d9ce9a5a318141df3c639c2005ef7fed3ef4be169dd5ebfbb70c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05037",
    "kind": "arxiv",
    "version": 4
  }
}