Pith Number

pith:RUMSEMZU

pith:2018:RUMSEMZUDE4VJDQXTH42MJ2OWH

not attested not anchored not stored refs pending

An Empirical Study of Rich Subgroup Fairness for Machine Learning

Aaron Roth, Michael Kearns, Seth Neel, Zhiwei Steven Wu

arxiv:1808.08166 v1 · 2018-08-24 · cs.LG · stat.ML

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

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	2026-05-18T00:07:22.239168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d192233341939548e1799f9a6274eb1d525f3a7cd2c9c4506f2afaca7ca6a80

Aliases

arxiv: 1808.08166 · arxiv_version: 1808.08166v1 · doi: 10.48550/arxiv.1808.08166 · pith_short_12: RUMSEMZUDE4V · pith_short_16: RUMSEMZUDE4VJDQX · pith_short_8: RUMSEMZU

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/RUMSEMZUDE4VJDQXTH42MJ2OWH \
  | 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: 8d192233341939548e1799f9a6274eb1d525f3a7cd2c9c4506f2afaca7ca6a80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99effe96cad6f8e3e4c0e569642c863062f11b70afaf79424882c783397a85aa",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-08-24T15:08:33Z",
    "title_canon_sha256": "0264ebeb50d778f9ff293a9eaf96f67da3266d18ec4435a1784f4cce510965a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08166",
    "kind": "arxiv",
    "version": 1
  }
}