Pith Number

pith:ROYP2SSZ

pith:2026:ROYP2SSZJYAPPIEZMDGFZFCJRS

not attested not anchored not stored refs pending

Faster than Fast-LTS: Robust Regression and Outlier Detection with DC Programming

Alain B. Zemkoho, Marah-Lisanne Thormann, Phan Tu Vuong, Tri-Dung Nguyen

arxiv:2606.28974 v1 · 2026-06-27 · math.OC · cs.NA · math.NA · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ROYP2SSZJYAPPIEZMDGFZFCJRS}

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	2026-06-30T01:17:47.815536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bb0fd4a594e00f7a09960cc5c94498ca0c898dacc6725de07aad9faab525983

Aliases

arxiv: 2606.28974 · arxiv_version: 2606.28974v1 · doi: 10.48550/arxiv.2606.28974 · pith_short_12: ROYP2SSZJYAP · pith_short_16: ROYP2SSZJYAPPIEZ · pith_short_8: ROYP2SSZ

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/ROYP2SSZJYAPPIEZMDGFZFCJRS \
  | 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: 8bb0fd4a594e00f7a09960cc5c94498ca0c898dacc6725de07aad9faab525983

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7350491efa50d13794933a20bffd97f27b0b3eb4c0c9343a282cb6557dff2668",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-27T15:26:58Z",
    "title_canon_sha256": "029fe651f9a61c4d1792cd23d85ff1d5ab15584712375c50df751b493a750bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28974",
    "kind": "arxiv",
    "version": 1
  }
}