Pith Number

pith:VIXLOXZP

pith:2016:VIXLOXZPDUSFCZ5R3R65KNX56J

not attested not anchored not stored refs pending

Boolean kernels for collaborative filtering in top-N item recommendation

Fabio Aiolli, Mirko Polato

arxiv:1612.07025 v2 · 2016-12-21 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VIXLOXZPDUSFCZ5R3R65KNX56J}

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	2026-05-18T00:40:07.616459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa2eb75f2f1d245167b1dc7dd536fdf241358ef81d6c2da8295c6169683368b0

Aliases

arxiv: 1612.07025 · arxiv_version: 1612.07025v2 · doi: 10.48550/arxiv.1612.07025 · pith_short_12: VIXLOXZPDUSF · pith_short_16: VIXLOXZPDUSFCZ5R · pith_short_8: VIXLOXZP

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/VIXLOXZPDUSFCZ5R3R65KNX56J \
  | 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: aa2eb75f2f1d245167b1dc7dd536fdf241358ef81d6c2da8295c6169683368b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84eee7a8d076c59e58f4cc8b12c4f465c787f5abe1fc0c35242fdaa41ca23ff7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-12-21T09:29:09Z",
    "title_canon_sha256": "2d7debfed1058f5ce1be272c9af83c352d28be3b2dc83d970cdfdf9bbf5606b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07025",
    "kind": "arxiv",
    "version": 2
  }
}