Pith Number

pith:QLO5K246

pith:2026:QLO5K246I5LQTVW2RTZL53FRKJ

not attested not anchored not stored refs pending

Optimal Fair Aggregation of Crowdsourced Noisy Labels using Demographic Parity Constraints

Argyris Kalogeratos, Gabriel Singer, Nicolas Vayatis, Olivier Vo Van, Samuel Gruffaz

arxiv:2601.23221 v2 · 2026-01-30 · 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{QLO5K246I5LQTVW2RTZL53FRKJ}

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	2026-06-09T01:05:46.800053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82ddd56b9e475709d6da8cf2beecb1526436fd5f43c4876c4a9f269b842f8169

Aliases

arxiv: 2601.23221 · arxiv_version: 2601.23221v2 · doi: 10.48550/arxiv.2601.23221 · pith_short_12: QLO5K246I5LQ · pith_short_16: QLO5K246I5LQTVW2 · pith_short_8: QLO5K246

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/QLO5K246I5LQTVW2RTZL53FRKJ \
  | 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: 82ddd56b9e475709d6da8cf2beecb1526436fd5f43c4876c4a9f269b842f8169

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfd077f11c248e9c979a38fbe0690eb66eeb0ec0d706a7c811b0489ed1a337eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-30T17:45:32Z",
    "title_canon_sha256": "260fcc08501b87493880ad46ae5ec3859d853a17a5cd84151195806eb8e63257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.23221",
    "kind": "arxiv",
    "version": 2
  }
}