Pith Number

pith:SF4NWTXA

pith:2018:SF4NWTXAMFM4QFA74YE5IUTHQK

not attested not anchored not stored refs pending

A novel Empirical Bayes with Reversible Jump Markov Chain in User-Movie Recommendation system

Arabin Kumar Dey, Himanshu Jhamb

arxiv:1808.05480 v1 · 2018-08-15 · stat.ML · cs.IR · cs.LG · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SF4NWTXAMFM4QFA74YE5IUTHQK}

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	2026-05-18T00:07:56.872228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9178db4ee06159c8141fe609d4526782916dee92e7ca7f8699be143fc2471048

Aliases

arxiv: 1808.05480 · arxiv_version: 1808.05480v1 · doi: 10.48550/arxiv.1808.05480 · pith_short_12: SF4NWTXAMFM4 · pith_short_16: SF4NWTXAMFM4QFA7 · pith_short_8: SF4NWTXA

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/SF4NWTXAMFM4QFA74YE5IUTHQK \
  | 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: 9178db4ee06159c8141fe609d4526782916dee92e7ca7f8699be143fc2471048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3cac95b4d101117841c1db83ef4042d28f570a660ed1e26be95dbc8a70897cb",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-08-15T12:59:14Z",
    "title_canon_sha256": "cfe450d6a1a5a4472fd3a98d5dfba91ef02eab7416c3fd77cbea6b379a3fe177"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05480",
    "kind": "arxiv",
    "version": 1
  }
}