Pith Number

pith:AXXSUZND

pith:2014:AXXSUZNDI5FA6YFLZT6ERXM5WH

not attested not anchored not stored refs pending

Paying for Likes? Understanding Facebook Like Fraud Using Honeypots

Arik Friedman, Emiliano De Cristofaro, Guillaume Jourjon, Mohamed Ali Kaafar, M. Zubair Shafiq

arxiv:1409.2097 v2 · 2014-09-07 · cs.SI · cs.CR · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXXSUZNDI5FA6YFLZT6ERXM5WH}

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	2026-05-18T02:41:03.258838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05ef2a65a3474a0f60abccfc48dd9db1e85f57b66cc19833c83146192889444d

Aliases

arxiv: 1409.2097 · arxiv_version: 1409.2097v2 · doi: 10.48550/arxiv.1409.2097 · pith_short_12: AXXSUZNDI5FA · pith_short_16: AXXSUZNDI5FA6YFL · pith_short_8: AXXSUZND

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/AXXSUZNDI5FA6YFLZT6ERXM5WH \
  | 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: 05ef2a65a3474a0f60abccfc48dd9db1e85f57b66cc19833c83146192889444d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ca2b8518cc3e7b5a36162f03e277b658ff851a36617d72f1daaf0fc1f220d52",
    "cross_cats_sorted": [
      "cs.CR",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-09-07T08:53:41Z",
    "title_canon_sha256": "89a7479e3be873078b4558fd241f2394436bb9639bf883f7680d422a4a2f3ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2097",
    "kind": "arxiv",
    "version": 2
  }
}