Pith Number

pith:GMGETQYQ

pith:2012:GMGETQYQONWKDH3YN4QHYCXPB5

not attested not anchored not stored refs pending

Collaborative Filtering and the Missing at Random Assumption

Benjamin Marlin, Malcolm Slaney, Richard S. Zemel, Sam Roweis

arxiv:1206.5267 v1 · 2012-06-20 · cs.LG · cs.IR · 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{GMGETQYQONWKDH3YN4QHYCXPB5}

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	2026-05-18T03:52:40.735839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

330c49c310736ca19f786f207c0aef0f64ace03a6b648b1e496f9b0513ec5906

Aliases

arxiv: 1206.5267 · arxiv_version: 1206.5267v1 · doi: 10.48550/arxiv.1206.5267 · pith_short_12: GMGETQYQONWK · pith_short_16: GMGETQYQONWKDH3Y · pith_short_8: GMGETQYQ

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/GMGETQYQONWKDH3YN4QHYCXPB5 \
  | 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: 330c49c310736ca19f786f207c0aef0f64ace03a6b648b1e496f9b0513ec5906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2645f2fc3d10fba93dfeb148c0e4106e1d3869f1abff35c84846159231f123f1",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-06-20T15:03:41Z",
    "title_canon_sha256": "41f2bce638647006c2b28f7b9e3bcb8934aee90a7c6245b5190a6a133d5b037e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5267",
    "kind": "arxiv",
    "version": 1
  }
}