Pith Number

pith:L43MCBPN

pith:2019:L43MCBPNAKMV4OXAUQ35MC5XTG

not attested not anchored not stored refs pending

Crowdsourced PAC Learning under Classification Noise

Lev Reyzin, Shelby Heinecke

arxiv:1902.04629 v1 · 2019-02-12 · cs.LG · cs.DS · 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{L43MCBPNAKMV4OXAUQ35MC5XTG}

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	2026-05-17T23:54:06.388653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f36c105ed02995e3ae0a437d60bb7999cb27b53087205e72784633ece9e1fbf

Aliases

arxiv: 1902.04629 · arxiv_version: 1902.04629v1 · doi: 10.48550/arxiv.1902.04629 · pith_short_12: L43MCBPNAKMV · pith_short_16: L43MCBPNAKMV4OXA · pith_short_8: L43MCBPN

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/L43MCBPNAKMV4OXAUQ35MC5XTG \
  | 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: 5f36c105ed02995e3ae0a437d60bb7999cb27b53087205e72784633ece9e1fbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14b14067b467b3a0d2ef4424cbb226dc7432a1c5afa8102b7f22ea4acdef0f39",
    "cross_cats_sorted": [
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-12T20:54:44Z",
    "title_canon_sha256": "723672b033abd871a8db982d9d0423933516e7e7234cde41c77bc7e3f9f7a49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04629",
    "kind": "arxiv",
    "version": 1
  }
}