Pith Number

pith:JB2SOXMJ

pith:2021:JB2SOXMJ6P2UFCTFCH2SA5C5LL

not attested not anchored not stored refs pending

A comparison of approaches to improve worst-case predictive model performance over patient subpopulations

Agata Foryciarz, Haoran Zhang, Marzyeh Ghassemi, Nigam H. Shah, Stephen R. Pfohl, Yizhe Xu

arxiv:2108.12250 v2 · 2021-08-27 · stat.ML · cs.CY · 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{JB2SOXMJ6P2UFCTFCH2SA5C5LL}

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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	2026-07-05T03:53:25.648623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4875275d89f3f5428a6511f520745d5afea55b5706ed8e2940f2ba115e48693c

Aliases

arxiv: 2108.12250 · arxiv_version: 2108.12250v2 · doi: 10.48550/arxiv.2108.12250 · pith_short_12: JB2SOXMJ6P2U · pith_short_16: JB2SOXMJ6P2UFCTF · pith_short_8: JB2SOXMJ

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/JB2SOXMJ6P2UFCTFCH2SA5C5LL \
  | 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: 4875275d89f3f5428a6511f520745d5afea55b5706ed8e2940f2ba115e48693c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c26869f666f2d26dc7f8829154f26ebdc1cd2058794373e60c20a2016b70f63e",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-08-27T13:10:00Z",
    "title_canon_sha256": "956b518a3343adf13ef01ba5afc2cff3b26820b1d621c8ecadfb482007ebff95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12250",
    "kind": "arxiv",
    "version": 2
  }
}