Pith Number

pith:L7PYXRTL

pith:2015:L7PYXRTLUOO57OC7M3R4ITXJ4T

not attested not anchored not stored refs pending

Cheaper and Better: Selecting Good Workers for Crowdsourcing

Hongwei Li, Qiang Liu

arxiv:1502.00725 v1 · 2015-02-03 · stat.ML · cs.AI · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7PYXRTLUOO57OC7M3R4ITXJ4T}

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	2026-05-18T02:28:04.483239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fdf8bc66ba39ddfb85f66e3c44ee9e4d09741c3a933eb04d661ebaff17d1aea

Aliases

arxiv: 1502.00725 · arxiv_version: 1502.00725v1 · doi: 10.48550/arxiv.1502.00725 · pith_short_12: L7PYXRTLUOO5 · pith_short_16: L7PYXRTLUOO57OC7 · pith_short_8: L7PYXRTL

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/L7PYXRTLUOO57OC7M3R4ITXJ4T \
  | 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: 5fdf8bc66ba39ddfb85f66e3c44ee9e4d09741c3a933eb04d661ebaff17d1aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce15803ccae07f469aaa229d2e8ddc62824a0548bf8bfd28acc603353f99ad7e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-02-03T03:45:48Z",
    "title_canon_sha256": "c40293192feb0d51263b77c285b979b15c8347647434c50440cd30db719d0b36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00725",
    "kind": "arxiv",
    "version": 1
  }
}