Pith Number

pith:MDWX5IC4

pith:2025:MDWX5IC4ICVCKDQKUJZKOJORZ2

not attested not anchored not stored refs pending

Risk-averse Fair Multi-class Classification

Darinka Dentcheva, Xiangyu Tian

arxiv:2509.05771 v2 · 2025-09-06 · stat.ML · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDWX5IC4ICVCKDQKUJZKOJORZ2}

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	2026-05-29T01:04:55.635075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60ed7ea05c40aa250e0aa272a725d1ceb7dc00640e3c58739090169776798fc8

Aliases

arxiv: 2509.05771 · arxiv_version: 2509.05771v2 · doi: 10.48550/arxiv.2509.05771 · pith_short_12: MDWX5IC4ICVC · pith_short_16: MDWX5IC4ICVCKDQK · pith_short_8: MDWX5IC4

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/MDWX5IC4ICVCKDQKUJZKOJORZ2 \
  | 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: 60ed7ea05c40aa250e0aa272a725d1ceb7dc00640e3c58739090169776798fc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c049a582bff8aed12cbe2f6d88a29beb4956a941900ad69ea984c88f33ccbd7",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-09-06T16:54:00Z",
    "title_canon_sha256": "315c65b5fe40cffe520ad461fee144dcc492ef3ac701c2e40054b2b41e10569e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05771",
    "kind": "arxiv",
    "version": 2
  }
}