Pith Number

pith:BTBD7G7R

pith:2026:BTBD7G7RJWFZ2Q5DQSAIUIKPBB

not attested not anchored not stored refs pending

The Fair Lending Model: How the Longest-Running Algorithmic Fairness Programs Work in Practice

Emily Black, Logan Koepke, Mingwei Hsu, Miranda Bogen, Solon Barocas, Wesley Deng

arxiv:2606.02957 v1 · 2026-06-01 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTBD7G7RJWFZ2Q5DQSAIUIKPBB}

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	2026-06-03T01:05:27.613245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc23f9bf14d8b9d43a384808a214f087c53bdce2157a1155cd328eaca75f6a4

Aliases

arxiv: 2606.02957 · arxiv_version: 2606.02957v1 · doi: 10.48550/arxiv.2606.02957 · pith_short_12: BTBD7G7RJWFZ · pith_short_16: BTBD7G7RJWFZ2Q5D · pith_short_8: BTBD7G7R

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/BTBD7G7RJWFZ2Q5DQSAIUIKPBB \
  | 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: 0cc23f9bf14d8b9d43a384808a214f087c53bdce2157a1155cd328eaca75f6a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3065f9f5b6318888b432d24f51d31570fe2fdd1473987dc482f4017e09ac4714",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-06-01T23:24:08Z",
    "title_canon_sha256": "1e9aaa0d433d0658fcef833bb70b22ec53b75add50868daf0bccfffee738ac24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02957",
    "kind": "arxiv",
    "version": 1
  }
}