Pith Number

pith:JLSDNQ7I

pith:2025:JLSDNQ7IOM2UUCMVUZDJ3ZHOBG

not attested not anchored not stored refs pending

Group Distributionally Robust Machine Learning under Group Level Distributional Uncertainty

Karl Henrik Johansson, Michael J. Pencina, Michael M. Zavlanos, Nicoleta J. Economou-Zavlanos, Xenia Konti, Yi Shen, Zifan Wang

arxiv:2509.08942 v1 · 2025-09-10 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLSDNQ7IOM2UUCMVUZDJ3ZHOBG}

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	2026-07-05T12:09:25.723037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ae436c3e873354a0995a6469de4ee0993d70a54af76e79bbb82d9e44c415001

Aliases

arxiv: 2509.08942 · arxiv_version: 2509.08942v1 · doi: 10.48550/arxiv.2509.08942 · pith_short_12: JLSDNQ7IOM2U · pith_short_16: JLSDNQ7IOM2UUCMV · pith_short_8: JLSDNQ7I

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/JLSDNQ7IOM2UUCMVUZDJ3ZHOBG \
  | 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: 4ae436c3e873354a0995a6469de4ee0993d70a54af76e79bbb82d9e44c415001

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "260a716f749bdbb928f62dd85acabb302a12664571d8dbae3964dddc00003666",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-10T19:08:17Z",
    "title_canon_sha256": "8a2a02512419509d38373bad9e754352fcbe2e1519d1189dd7a417ae9abd9aad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08942",
    "kind": "arxiv",
    "version": 1
  }
}