Pith Number

pith:4GGC4VPB

pith:2022:4GGC4VPBGQY6WKU6YMOURFBRNR

not attested not anchored not stored refs pending

Top-N Recommendation Algorithms: A Quest for the State-of-the-Art

Alejandro Bellog\'in, Claudio Pomo, Dietmar Jannach, Tommaso Di Noia, Vito Walter Anelli

arxiv:2203.01155 v2 · 2022-03-02 · 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{4GGC4VPBGQY6WKU6YMOURFBRNR}

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	2026-07-05T04:22:54.636830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e18c2e55e13431eb2a9ec31d4894316c69314b92cdc4023dd8c924aaf76537f7

Aliases

arxiv: 2203.01155 · arxiv_version: 2203.01155v2 · doi: 10.48550/arxiv.2203.01155 · pith_short_12: 4GGC4VPBGQY6 · pith_short_16: 4GGC4VPBGQY6WKU6 · pith_short_8: 4GGC4VPB

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/4GGC4VPBGQY6WKU6YMOURFBRNR \
  | 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: e18c2e55e13431eb2a9ec31d4894316c69314b92cdc4023dd8c924aaf76537f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "973403536a8802476afb6bb253dfcc5a6cab4bb10f3f2aa4002cbba82aeb7b27",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-03-02T14:55:33Z",
    "title_canon_sha256": "b7903ba9d42df32bd29235f356ec21461b2fdadb9dc00ce6bbd1bdd52e86e25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.01155",
    "kind": "arxiv",
    "version": 2
  }
}