Pith Number

pith:LZAWLJ2U

pith:2012:LZAWLJ2UTX2KB6LXHQTBPNJTFN

not attested not anchored not stored refs pending

Crowdsourcing Control: Moving Beyond Multiple Choice

Christopher H. Lin, Daniel Weld, Mausam

arxiv:1210.4870 v1 · 2012-10-16 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZAWLJ2UTX2KB6LXHQTBPNJTFN}

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	2026-05-18T03:42:55.304772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e4165a7549df4a0f9773c2617b5332b6aa7382b9989996c3b33471df841edc9

Aliases

arxiv: 1210.4870 · arxiv_version: 1210.4870v1 · doi: 10.48550/arxiv.1210.4870 · pith_short_12: LZAWLJ2UTX2K · pith_short_16: LZAWLJ2UTX2KB6LX · pith_short_8: LZAWLJ2U

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/LZAWLJ2UTX2KB6LXHQTBPNJTFN \
  | 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: 5e4165a7549df4a0f9773c2617b5332b6aa7382b9989996c3b33471df841edc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "255a3e71a011e021eb205c38dbd0304d434ae204c9fe108879101d54e2d88128",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-10-16T17:41:19Z",
    "title_canon_sha256": "283fd8019a8eeca4e8af79b2ad6d0903edc4fe8349510ed0e0370dc3169da7ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4870",
    "kind": "arxiv",
    "version": 1
  }
}