Pith Number

pith:FAEW2I2I

pith:2026:FAEW2I2IO73OLGOIRFIDYU5J3R

not attested not anchored not stored refs pending

Distributionally Robust Linear Regression With Block Lewis Weights

Kumar Kshitij Patel, Naren Sarayu Manoj

arxiv:2607.00252 v1 · 2026-06-30 · cs.LG · cs.DS · 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{FAEW2I2IO73OLGOIRFIDYU5J3R}

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	2026-07-02T00:18:41.181501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28096d234877f6e599c889503c53a9dc71617176878c62622c65d7e1bfc13645

Aliases

arxiv: 2607.00252 · arxiv_version: 2607.00252v1 · doi: 10.48550/arxiv.2607.00252 · pith_short_12: FAEW2I2IO73O · pith_short_16: FAEW2I2IO73OLGOI · pith_short_8: FAEW2I2I

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/FAEW2I2IO73OLGOIRFIDYU5J3R \
  | 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: 28096d234877f6e599c889503c53a9dc71617176878c62622c65d7e1bfc13645

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bbe550a0f94a2100b5257e8ea0bc6362f4248c100fa2aed7ab9cf40fa8f76a4",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-30T23:01:08Z",
    "title_canon_sha256": "7c0030e71ec52df2180865d26141d8a1f0d97b03d4a5ade4b92d84172f9a180e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00252",
    "kind": "arxiv",
    "version": 1
  }
}