Pith Number

pith:YSXQ5LCY

pith:2014:YSXQ5LCYFFWDPKX324WQP2YSFL

not attested not anchored not stored refs pending

Spectral Methods meet EM: A Provably Optimal Algorithm for Crowdsourcing

Dengyong Zhou, Michael I. Jordan, Xi Chen, Yuchen Zhang

arxiv:1406.3824 v3 · 2014-06-15 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSXQ5LCYFFWDPKX324WQP2YSFL}

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	2026-05-18T02:38:52.927945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4af0eac58296c37aafbd72d07eb122af8a3ca5a590441cc9d848a7a962f2200

Aliases

arxiv: 1406.3824 · arxiv_version: 1406.3824v3 · doi: 10.48550/arxiv.1406.3824 · pith_short_12: YSXQ5LCYFFWD · pith_short_16: YSXQ5LCYFFWDPKX3 · pith_short_8: YSXQ5LCY

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/YSXQ5LCYFFWDPKX324WQP2YSFL \
  | 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: c4af0eac58296c37aafbd72d07eb122af8a3ca5a590441cc9d848a7a962f2200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3048efbf3924993afbbb7d74d1a838eb779218e69c382a9a612e757fcc6d662d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-06-15T15:00:17Z",
    "title_canon_sha256": "1e0e8bbdb3fcb8732da34a9928c737d97a9f5c8844cee9610ceb9bb03e6cd892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3824",
    "kind": "arxiv",
    "version": 3
  }
}