Pith Number

pith:6VLU4NVQ

pith:2026:6VLU4NVQ4WWU2U5W63WFKJHLT4

not attested not anchored not stored refs pending

Long-term Fairness with Selective Labels

Giovani Valdrighi, Isabel Valera, Marcos Medeiros Raimundo

arxiv:2605.22291 v1 · 2026-05-21 · 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{6VLU4NVQ4WWU2U5W63WFKJHLT4}

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	2026-05-22T01:04:36.384661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5574e36b0e5ad4d53b6f6ec5524eb9f2a848df21712b7e0740317449c6f168e

Aliases

arxiv: 2605.22291 · arxiv_version: 2605.22291v1 · doi: 10.48550/arxiv.2605.22291 · pith_short_12: 6VLU4NVQ4WWU · pith_short_16: 6VLU4NVQ4WWU2U5W · pith_short_8: 6VLU4NVQ

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/6VLU4NVQ4WWU2U5W63WFKJHLT4 \
  | 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: f5574e36b0e5ad4d53b6f6ec5524eb9f2a848df21712b7e0740317449c6f168e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85c4e241ffd13abc7a60d5caf89532536272f688157ca7db8f579b57eb47babe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-21T10:42:56Z",
    "title_canon_sha256": "afbdd8e3f6a4d10052c6353972f2b7cba63bf4366b6a1c3ca7f41095a046bb47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22291",
    "kind": "arxiv",
    "version": 1
  }
}