Pith Number

pith:WCOCUAPE

pith:2021:WCOCUAPER576RHXHKCTHQHYWVV

not attested not anchored not stored refs pending

Software-Supported Audits of Decision-Making Systems: Testing Google and Facebook's Political Advertising Policies

Austin Hounsel, J. Nathan Matias, Nick Feamster

arxiv:2103.00064 v2 · 2021-02-26 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCOCUAPER576RHXHKCTHQHYWVV}

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

Silencing Empowerment, Allowing Bigotry: Auditing the Moderation of Hate Speech on Twitch

Receipt and verification

First computed	2026-07-05T03:26:59.060490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b09c2a01e48f7fe89ee750a6781f16ad61f9e60a4e92a3199f49bf6b6677dbb6

Aliases

arxiv: 2103.00064 · arxiv_version: 2103.00064v2 · doi: 10.48550/arxiv.2103.00064 · pith_short_12: WCOCUAPER576 · pith_short_16: WCOCUAPER576RHXH · pith_short_8: WCOCUAPE

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/WCOCUAPER576RHXHKCTHQHYWVV \
  | 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: b09c2a01e48f7fe89ee750a6781f16ad61f9e60a4e92a3199f49bf6b6677dbb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce41e1f96e5a2ad984ff3b707f2ca275b67425891dc3ab356668e06b96a0237e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-02-26T22:04:53Z",
    "title_canon_sha256": "186408a882d9201da5dfd34a0c3557d4d31612b4467af72fcd23dc8e20886cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.00064",
    "kind": "arxiv",
    "version": 2
  }
}