Pith Number

pith:5WVQGYQC

pith:2016:5WVQGYQC2JRPPCQTDYMKTVOXAW

not attested not anchored not stored refs pending

LiRa: A New Likelihood-Based Similarity Score for Collaborative Filtering

Aydin Buluc, John R. Gilbert, Leonid Oliker, Veronika Strnadova-Neeley, Weimin Ouyang

arxiv:1608.08646 v2 · 2016-08-30 · 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{5WVQGYQC2JRPPCQTDYMKTVOXAW}

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	2026-05-18T00:48:17.237434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edab036202d262f78a131e18a9d5d7058f8a4c3af815b04d192e22cce38a3241

Aliases

arxiv: 1608.08646 · arxiv_version: 1608.08646v2 · doi: 10.48550/arxiv.1608.08646 · pith_short_12: 5WVQGYQC2JRP · pith_short_16: 5WVQGYQC2JRPPCQT · pith_short_8: 5WVQGYQC

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/5WVQGYQC2JRPPCQTDYMKTVOXAW \
  | 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: edab036202d262f78a131e18a9d5d7058f8a4c3af815b04d192e22cce38a3241

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83b05b154ba3b353de57f8965d9133ceb5931560aa6409c09cd04c38fa8dca5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-08-30T20:21:31Z",
    "title_canon_sha256": "447708f957af5ecf564fdfc11359da1d5f6514c49fca9334ea731c8519d78e74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08646",
    "kind": "arxiv",
    "version": 2
  }
}