Pith Number

pith:WCIG5TYX

pith:2018:WCIG5TYXAKMC4WP3GTT72Y2MNB

not attested not anchored not stored refs pending

Celer: a Fast Solver for the Lasso with Dual Extrapolation

Alexandre Gramfort, Joseph Salmon, Mathurin Massias

arxiv:1802.07481 v3 · 2018-02-21 · 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{WCIG5TYXAKMC4WP3GTT72Y2MNB}

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	2026-05-18T00:14:06.287407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0906ecf1702982e59fb34e7fd634c6851c61682a1c5b3b249994402196792db

Aliases

arxiv: 1802.07481 · arxiv_version: 1802.07481v3 · doi: 10.48550/arxiv.1802.07481 · pith_short_12: WCIG5TYXAKMC · pith_short_16: WCIG5TYXAKMC4WP3 · pith_short_8: WCIG5TYX

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/WCIG5TYXAKMC4WP3GTT72Y2MNB \
  | 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: b0906ecf1702982e59fb34e7fd634c6851c61682a1c5b3b249994402196792db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c6ba3aa1c5aff39cca5d5b45b7a01767817c59ef02817fa4eefc2a7cacb8593",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-02-21T09:40:48Z",
    "title_canon_sha256": "e766c6ac8e6bcec426bbffc0baea4d4c2ef46c31e0a799fa97f627382d5ea3b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07481",
    "kind": "arxiv",
    "version": 3
  }
}