Pith Number

pith:GCJW2DAK

pith:2019:GCJW2DAKQQ3VAMD4H6B7IB2INB

not attested not anchored not stored refs pending

Discrimination through optimization: How Facebook's ad delivery can lead to skewed outcomes

Aaron Rieke, Alan Mislove, Aleksandra Korolova, Miranda Bogen, Muhammad Ali, Piotr Sapiezynski

arxiv:1904.02095 v5 · 2019-04-03 · 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{GCJW2DAKQQ3VAMD4H6B7IB2INB}

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.

Cited by

1 paper in Pith

The Statistical Cost of Adaptation in Multi-Source Transfer Learning

Receipt and verification

First computed	2026-07-05T00:04:07.967473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30936d0c0a843750307c3f83f40748686d283dfdb2b4d9f3f6766f303258020a

Aliases

arxiv: 1904.02095 · arxiv_version: 1904.02095v5 · doi: 10.48550/arxiv.1904.02095 · pith_short_12: GCJW2DAKQQ3V · pith_short_16: GCJW2DAKQQ3VAMD4 · pith_short_8: GCJW2DAK

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/GCJW2DAKQQ3VAMD4H6B7IB2INB \
  | 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: 30936d0c0a843750307c3f83f40748686d283dfdb2b4d9f3f6766f303258020a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46906e22a93bcc611fc5ffb153e97a5274565fa39dc52f75a500942ea0dc41b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-04-03T16:40:41Z",
    "title_canon_sha256": "a155cde4a00bb3a43f02390fa6790833793e1bc76e948f8f598d32f943872324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02095",
    "kind": "arxiv",
    "version": 5
  }
}