Pith Number

pith:MAEWYLVH

pith:2021:MAEWYLVH2ISLZQFRIXGWTJRTO5

not attested not anchored not stored refs pending

FBAdtTracker: An Interactive Data Collection and Analysis Tool for Facebook Advertisements

Huan Liu, Kaize Ding, Ujun Jeong

arxiv:2106.00142 v2 · 2021-05-31 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAEWYLVH2ISLZQFRIXGWTJRTO5}

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	2026-07-05T08:47:43.450278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60096c2ea7d224bcc0b145cd69a6337772d836cda63605897edfde7a0d040ab8

Aliases

arxiv: 2106.00142 · arxiv_version: 2106.00142v2 · doi: 10.48550/arxiv.2106.00142 · pith_short_12: MAEWYLVH2ISL · pith_short_16: MAEWYLVH2ISLZQFR · pith_short_8: MAEWYLVH

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/MAEWYLVH2ISLZQFRIXGWTJRTO5 \
  | 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: 60096c2ea7d224bcc0b145cd69a6337772d836cda63605897edfde7a0d040ab8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13826272605c26063ddbd498b0b10264c0abb33a86077141276facf781e2573d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-05-31T23:20:58Z",
    "title_canon_sha256": "53c09ce2a3670e2715be10ec4d41f14bd2063eb39a7f641e8748c536ef570918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.00142",
    "kind": "arxiv",
    "version": 2
  }
}