Pith Number

pith:B575ZPFY

pith:2021:B575ZPFYQDMI2ER7SHW55YO5WW

not attested not anchored not stored refs pending

WebGraph: Capturing Advertising and Tracking Information Flows for Robust Blocking

Carmela Troncoso, Sandra Siby, Steven Englehardt, Umar Iqbal, Zubair Shafiq

arxiv:2107.11309 v2 · 2021-07-23 · 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{B575ZPFYQDMI2ER7SHW55YO5WW}

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	2026-07-05T03:06:47.529741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7fdcbcb880d88d123f91eddee1ddb5ad54b6308791f62810424221a09586dd

Aliases

arxiv: 2107.11309 · arxiv_version: 2107.11309v2 · doi: 10.48550/arxiv.2107.11309 · pith_short_12: B575ZPFYQDMI · pith_short_16: B575ZPFYQDMI2ER7 · pith_short_8: B575ZPFY

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/B575ZPFYQDMI2ER7SHW55YO5WW \
  | 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: 0f7fdcbcb880d88d123f91eddee1ddb5ad54b6308791f62810424221a09586dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b2240aed6808964c7eabfe9999b17cd791c93b1d375d9a57dcde242360a529a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-07-23T15:40:31Z",
    "title_canon_sha256": "b61df89ab8041dd99fe28578d85c541571c314d5da9101aea847f6c9cf8f4294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11309",
    "kind": "arxiv",
    "version": 2
  }
}