Pith Number

pith:YVOC6K35

pith:2012:YVOC6K35TU56TOS4EST5GE4LUD

not attested not anchored not stored refs pending

Collaborative Ensemble Learning: Combining Collaborative and Content-Based Information Filtering via Hierarchical Bayes

Anton Schwaighofer, HongJiang Zhang, Kai Yu, Volker Tresp, Wei-Ying Ma

arxiv:1212.2508 v1 · 2012-10-19 · 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{YVOC6K35TU56TOS4EST5GE4LUD}

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	2026-05-18T03:38:44.448962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c55c2f2b7d9d3be9ba5c24a7d3138ba0d0f2d87d2f96a23f181f1597ce3b7177

Aliases

arxiv: 1212.2508 · arxiv_version: 1212.2508v1 · doi: 10.48550/arxiv.1212.2508 · pith_short_12: YVOC6K35TU56 · pith_short_16: YVOC6K35TU56TOS4 · pith_short_8: YVOC6K35

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/YVOC6K35TU56TOS4EST5GE4LUD \
  | 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: c55c2f2b7d9d3be9ba5c24a7d3138ba0d0f2d87d2f96a23f181f1597ce3b7177

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40550ff1ef0947b78425126450ff071b851caab73fb293ba1a85f7e605d3d567",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-10-19T15:08:51Z",
    "title_canon_sha256": "da90abe6b3e07aeb5aed5a845019cbf307d43b118e8d03862d785c59e499a559"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2508",
    "kind": "arxiv",
    "version": 1
  }
}