Pith Number

pith:D57ACQYC

pith:2022:D57ACQYCGTCLCQYVNVRU3TAY6B

not attested not anchored not stored refs pending

Longitudinal Analysis of Privacy Labels in the Apple App Store

Adam J. Aviv, Chris Kanich, David G. Balash, Mir Masood Ali, Monica Kodwani, Xiaoyuan Wu

arxiv:2206.02658 v3 · 2022-06-06 · 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{D57ACQYCGTCLCQYVNVRU3TAY6B}

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	2026-07-05T10:49:01.887581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f7e01430234c4b143156d634dcc18f06b8afd781b2c3ed484c7aa52a770d71d

Aliases

arxiv: 2206.02658 · arxiv_version: 2206.02658v3 · doi: 10.48550/arxiv.2206.02658 · pith_short_12: D57ACQYCGTCL · pith_short_16: D57ACQYCGTCLCQYV · pith_short_8: D57ACQYC

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/D57ACQYCGTCLCQYVNVRU3TAY6B \
  | 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: 1f7e01430234c4b143156d634dcc18f06b8afd781b2c3ed484c7aa52a770d71d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5ade921a3ec59012ec4fabd8cd38883e3c67623dc24190e33c45c924144c5bd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-06-06T14:51:44Z",
    "title_canon_sha256": "849f5cd34325d975a93332a312054fa847d11e830c305c590fcf795708feee32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.02658",
    "kind": "arxiv",
    "version": 3
  }
}