Pith Number

pith:RSBQAZS4

pith:2013:RSBQAZS4H6KGK5UHY4ITPLKOOS

not attested not anchored not stored refs pending

OFF-Set: One-pass Factorization of Feature Sets for Online Recommendation in Persistent Cold Start Settings

Edward Bortnikov, Liron Levin, Michal Aharon, Natalie Aizenberg, Ohad Serfaty, Ran Roth, Roi Adadi, Ronny Lempel, Tomer Benyamini

arxiv:1308.1792 v1 · 2013-08-08 · cs.LG · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSBQAZS4H6KGK5UHY4ITPLKOOS}

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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	2026-05-18T03:16:27.662321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c8300665c3f94657687c71137ad4e74b60da3f847d96ac784e0fef1410ff0f5

Aliases

arxiv: 1308.1792 · arxiv_version: 1308.1792v1 · doi: 10.48550/arxiv.1308.1792 · pith_short_12: RSBQAZS4H6KG · pith_short_16: RSBQAZS4H6KGK5UH · pith_short_8: RSBQAZS4

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/RSBQAZS4H6KGK5UHY4ITPLKOOS \
  | 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: 8c8300665c3f94657687c71137ad4e74b60da3f847d96ac784e0fef1410ff0f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a4845c87cb5a3cecb55c346a430a6308a1bac81eceac38e22c08c6fad5e0aac",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-08-08T09:24:24Z",
    "title_canon_sha256": "b70c27a47d907c571dc9f4162eb9ed33f0a67e7667931483f302bf04fd0adcf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1792",
    "kind": "arxiv",
    "version": 1
  }
}