Pith Number

pith:FD3QPNUD

pith:2018:FD3QPNUDGIQQXXSGQHYLIP72ZS

not attested not anchored not stored refs pending

Learning sparse mixtures of rankings from noisy information

Anindya De, Rocco Servedio, Ryan O'Donnell

arxiv:1811.01216 v1 · 2018-11-03 · cs.LG · cs.CC · 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{FD3QPNUDGIQQXXSGQHYLIP72ZS}

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	2026-05-18T00:01:34.985664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28f707b68332210bde4681f0b43ffacc942a28e3dd9fde74b4213aa2c92b48ea

Aliases

arxiv: 1811.01216 · arxiv_version: 1811.01216v1 · doi: 10.48550/arxiv.1811.01216 · pith_short_12: FD3QPNUDGIQQ · pith_short_16: FD3QPNUDGIQQXXSG · pith_short_8: FD3QPNUD

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/FD3QPNUDGIQQXXSGQHYLIP72ZS \
  | 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: 28f707b68332210bde4681f0b43ffacc942a28e3dd9fde74b4213aa2c92b48ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c44e2c90a97294ec86f20ecbdaac408810326f5086e70de0fd5a3722d590d0c3",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-11-03T13:36:12Z",
    "title_canon_sha256": "e95ea3b2f68dec8a733d9489c8f0d78470c9b858cb919745340cd4ab4e5bcc3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01216",
    "kind": "arxiv",
    "version": 1
  }
}