Pith Number

pith:2GWNA7U2

pith:2012:2GWNA7U2CBZV5QUKDYKT2RIX4N

not attested not anchored not stored refs pending

Social Turing Tests: Crowdsourcing Sybil Detection

Ben Y. Zhao, Christo Wilson, Gang Wang, Haitao Zheng, Manish Mohanlal, Miriam Metzger, Xiao Wang

arxiv:1205.3856 v2 · 2012-05-17 · cs.SI · 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{2GWNA7U2CBZV5QUKDYKT2RIX4N}

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

Weaponizing the Commons: A Taxonomy and Detection Framework of Abuse on GitHub

Receipt and verification

First computed	2026-05-18T02:21:10.277506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1acd07e9a10735ec28a1e153d4517e34f7a4481486d80bb34a6e5758936e16a

Aliases

arxiv: 1205.3856 · arxiv_version: 1205.3856v2 · doi: 10.48550/arxiv.1205.3856 · pith_short_12: 2GWNA7U2CBZV · pith_short_16: 2GWNA7U2CBZV5QUK · pith_short_8: 2GWNA7U2

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/2GWNA7U2CBZV5QUKDYKT2RIX4N \
  | 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: d1acd07e9a10735ec28a1e153d4517e34f7a4481486d80bb34a6e5758936e16a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c323e50294ce24168119c5a4688366dec6b7748b22c3559cb83b718cb993e32",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-05-17T05:50:30Z",
    "title_canon_sha256": "e236c8665494078ce3c7f9eaf2136975635c1bd00dc2943d38287906895d7c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3856",
    "kind": "arxiv",
    "version": 2
  }
}