Pith Number

pith:6L5ZFZGN

pith:2009:6L5ZFZGNUTX2KC56WWQZYCZ6BY

not attested not anchored not stored refs pending

An Exponential Lower Bound on the Complexity of Regularization Paths

Bernd G\"artner, Cl\'ement Maria, Martin Jaggi

arxiv:0903.4817 v3 · 2009-03-27 · cs.LG · cs.CG · cs.CV · math.OC · 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{6L5ZFZGNUTX2KC56WWQZYCZ6BY}

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	2026-05-18T03:41:59.113187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2fb92e4cda4efa50bbeb5a19c0b3e0e17fda645713c5057b5eb3f80356781b7

Aliases

arxiv: 0903.4817 · arxiv_version: 0903.4817v3 · doi: 10.48550/arxiv.0903.4817 · pith_short_12: 6L5ZFZGNUTX2 · pith_short_16: 6L5ZFZGNUTX2KC56 · pith_short_8: 6L5ZFZGN

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/6L5ZFZGNUTX2KC56WWQZYCZ6BY \
  | 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: f2fb92e4cda4efa50bbeb5a19c0b3e0e17fda645713c5057b5eb3f80356781b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0d41619a8d72c0da9759d8466c903d575af5275069cf0343a23c428f20ba742",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2009-03-27T17:23:31Z",
    "title_canon_sha256": "3519d1b6a3196ca8ffe3bec79715ded21040b50135f8b2ebf58d48da9814f880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4817",
    "kind": "arxiv",
    "version": 3
  }
}