Pith Number

pith:HEY6GPP6

pith:2018:HEY6GPP6HSCAO447QSRU5NJSI2

not attested not anchored not stored refs pending

From Soft Classifiers to Hard Decisions: How fair can we be?

Adam Smith, Aloni Cohen, Govind Ramnarayan, Nishanth Dikkala, Ran Canetti, Sarah Scheffler

arxiv:1810.02003 v2 · 2018-10-03 · cs.LG · cs.CY · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEY6GPP6HSCAO447QSRU5NJSI2}

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	2026-05-17T23:55:54.795013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3931e33dfe3c8407739f84a34eb532468d7db3f0fc5c8283b08238c0af3d05ff

Aliases

arxiv: 1810.02003 · arxiv_version: 1810.02003v2 · doi: 10.48550/arxiv.1810.02003 · pith_short_12: HEY6GPP6HSCA · pith_short_16: HEY6GPP6HSCAO447 · pith_short_8: HEY6GPP6

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/HEY6GPP6HSCAO447QSRU5NJSI2 \
  | 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: 3931e33dfe3c8407739f84a34eb532468d7db3f0fc5c8283b08238c0af3d05ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "469406fde8f0cedc4e1b9f8a9ad4b4432cbbdc03210a9fe29545da156ee86afe",
    "cross_cats_sorted": [
      "cs.CY",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-10-03T23:16:09Z",
    "title_canon_sha256": "65b87e5d94c7c7b9b1dbbc86ceb6148e02848233bd591bf31655c0c63ee99cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02003",
    "kind": "arxiv",
    "version": 2
  }
}