Pith Number

pith:DUS6CM5T

pith:2014:DUS6CM5T6I6NCVSZWXPRJR3TQV

not attested not anchored not stored refs pending

Automated Experiments on Ad Privacy Settings: A Tale of Opacity, Choice, and Discrimination

Amit Datta, Anupam Datta, Michael Carl Tschantz

arxiv:1408.6491 v2 · 2014-08-27 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DUS6CM5T6I6NCVSZWXPRJR3TQV}

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

Beyond Distributive Justice: Hermeneutical Fairness in Ad Delivery

Receipt and verification

First computed	2026-05-18T02:22:29.658474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d25e133b3f23cd15659b5df14c773854bf8b73b6c638285b5e37cf41b4c7652

Aliases

arxiv: 1408.6491 · arxiv_version: 1408.6491v2 · doi: 10.48550/arxiv.1408.6491 · pith_short_12: DUS6CM5T6I6N · pith_short_16: DUS6CM5T6I6NCVSZ · pith_short_8: DUS6CM5T

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/DUS6CM5T6I6NCVSZWXPRJR3TQV \
  | 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: 1d25e133b3f23cd15659b5df14c773854bf8b73b6c638285b5e37cf41b4c7652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26ef7360da44cbe5807ac80716b181b15834a93d1036a324572d2a3942b8b0e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-08-27T18:49:12Z",
    "title_canon_sha256": "7bfb222fce990407d63801c8ea1773410d7fc8bb21158654e657b591585bd426"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6491",
    "kind": "arxiv",
    "version": 2
  }
}