Pith Number

pith:RZ4XTONO

pith:2023:RZ4XTONOVFIDEGR4MKGL7C2T5Y

not attested not anchored not stored refs pending

How to induce regularization in linear models: A guide to reparametrizing gradient flow

Dominik St\"oger, Hung-Hsu Chou, Johannes Maly

arxiv:2308.04921 v3 · 2023-08-09 · math.OC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZ4XTONOVFIDEGR4MKGL7C2T5Y}

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	2026-06-10T01:09:10.703821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e7979b9aea950321a3c628cbf8b53ee3b334c0b05bb11841cd93add2aa01301

Aliases

arxiv: 2308.04921 · arxiv_version: 2308.04921v3 · doi: 10.48550/arxiv.2308.04921 · pith_short_12: RZ4XTONOVFID · pith_short_16: RZ4XTONOVFIDEGR4 · pith_short_8: RZ4XTONO

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/RZ4XTONOVFIDEGR4MKGL7C2T5Y \
  | 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: 8e7979b9aea950321a3c628cbf8b53ee3b334c0b05bb11841cd93add2aa01301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d72119e72bf2c5d9e1bb139a47484adab120efa0db4dc78d862587bf7eabc53",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-08-09T12:39:04Z",
    "title_canon_sha256": "06f93c493e6beb34f0ca9a927a20d8a53b4587308f2576d1eb7f1582598c0f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.04921",
    "kind": "arxiv",
    "version": 3
  }
}