Pith Number

pith:BTNIATRB

pith:2018:BTNIATRBEXCN2NO4R4PG2DP3MZ

not attested not anchored not stored refs pending

Fairness Under Unawareness: Assessing Disparity When Protected Class Is Unobserved

Geoffry Svacha, Jiahao Chen, Madeleine Udell, Nathan Kallus, Xiaojie Mao

arxiv:1811.11154 v1 · 2018-11-27 · stat.AP · 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{BTNIATRBEXCN2NO4R4PG2DP3MZ}

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	2026-05-17T23:59:45.131887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cda804e2125c4dd35dc8f1e6d0dfb6654b5bfac89090ee0f7b42abfb123fc69

Aliases

arxiv: 1811.11154 · arxiv_version: 1811.11154v1 · doi: 10.48550/arxiv.1811.11154 · pith_short_12: BTNIATRBEXCN · pith_short_16: BTNIATRBEXCN2NO4 · pith_short_8: BTNIATRB

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/BTNIATRBEXCN2NO4R4PG2DP3MZ \
  | 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: 0cda804e2125c4dd35dc8f1e6d0dfb6654b5bfac89090ee0f7b42abfb123fc69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73740456fdd7831231543626a646c7de469c3321b45031b8e247677d45f4f164",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-11-27T18:39:09Z",
    "title_canon_sha256": "4eb20d2a2a173aef8e7a98d8c5a9e430506b67884e2388a2a51322e5d77bc33f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11154",
    "kind": "arxiv",
    "version": 1
  }
}