Pith Number

pith:4HMYXTAO

pith:2014:4HMYXTAOULZCCT6Y7KJQOJ7PJG

not attested not anchored not stored refs pending

A Greedy Homotopy Method for Regression with Nonconvex Constraints

Fabian L. Wauthier, Peter Donnelly

arxiv:1410.7241 v1 · 2014-10-27 · stat.ML · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HMYXTAOULZCCT6Y7KJQOJ7PJG}

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	2026-05-18T02:39:17.746698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d98bcc0ea2f2214fd8fa930727ef49a13b04a988283c2c55630df481bf8674

Aliases

arxiv: 1410.7241 · arxiv_version: 1410.7241v1 · doi: 10.48550/arxiv.1410.7241 · pith_short_12: 4HMYXTAOULZC · pith_short_16: 4HMYXTAOULZCCT6Y · pith_short_8: 4HMYXTAO

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/4HMYXTAOULZCCT6Y7KJQOJ7PJG \
  | 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: e1d98bcc0ea2f2214fd8fa930727ef49a13b04a988283c2c55630df481bf8674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "550265d581a214f705b65f6cb5a1c58ca215942a4f0680259ef378c75e202108",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-10-27T13:54:59Z",
    "title_canon_sha256": "0edefa839900f3b15f84b396869359704d3777f543578730608c48cce1bae359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7241",
    "kind": "arxiv",
    "version": 1
  }
}