Pith Number

pith:NDTT24QL

pith:2018:NDTT24QLVFVQEAR3A7Q3UXG7DV

not attested not anchored not stored refs pending

Algorithm Selection for Collaborative Filtering: the influence of graph metafeatures and multicriteria metatargets

Andr\'e C.P.L.F. de Carvalho, Carlos Soares, Tiago Cunha

arxiv:1807.09097 v1 · 2018-07-23 · cs.IR · cs.LG · 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{NDTT24QLVFVQEAR3A7Q3UXG7DV}

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	2026-05-18T00:09:56.785892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68e73d720ba96b02023b07e1ba5cdf1d6003d9f9247358dbf1d0d4310a4dcca6

Aliases

arxiv: 1807.09097 · arxiv_version: 1807.09097v1 · doi: 10.48550/arxiv.1807.09097 · pith_short_12: NDTT24QLVFVQ · pith_short_16: NDTT24QLVFVQEAR3 · pith_short_8: NDTT24QL

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/NDTT24QLVFVQEAR3A7Q3UXG7DV \
  | 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: 68e73d720ba96b02023b07e1ba5cdf1d6003d9f9247358dbf1d0d4310a4dcca6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a0ca4b9303d0a60a4f1fd20889459d25cbf67d4f92269817153cf7a0daf0aeb",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-23T13:37:52Z",
    "title_canon_sha256": "b32f614252e82f9d0991928b4adfd3928ac0860e065bf8507fdae4d9307d5ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09097",
    "kind": "arxiv",
    "version": 1
  }
}