Pith Number

pith:C2H7XH5C

pith:2021:C2H7XH5CDNQOVGVSVYY55JLK4W

not attested not anchored not stored refs pending

Promoting Fairness through Hyperparameter Optimization

Andr\'e F. Cruz, Carlos Soares, Catarina Bel\'em, Pedro Bizarro, Pedro Saleiro

arxiv:2103.12715 v2 · 2021-03-23 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2H7XH5CDNQOVGVSVYY55JLK4W}

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	2026-07-05T04:39:16.713839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

168ffb9fa21b60ea9ab2ae31dea56ae58b568ec54572b53c5bbb3a22f3fb169f

Aliases

arxiv: 2103.12715 · arxiv_version: 2103.12715v2 · doi: 10.48550/arxiv.2103.12715 · pith_short_12: C2H7XH5CDNQO · pith_short_16: C2H7XH5CDNQOVGVS · pith_short_8: C2H7XH5C

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/C2H7XH5CDNQOVGVSVYY55JLK4W \
  | 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: 168ffb9fa21b60ea9ab2ae31dea56ae58b568ec54572b53c5bbb3a22f3fb169f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60ee9a0591c8c2bfcd9fcafc87b3713c81f6be57d18b7c539c2e08d0372140e9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-23T17:36:22Z",
    "title_canon_sha256": "0b6ee4d1b5e50c185e1f01790f6545435420ce81a9054fb6261100af066e4e1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12715",
    "kind": "arxiv",
    "version": 2
  }
}