Pith Number

pith:YHE7KXCM

pith:2018:YHE7KXCMXIZ7KJ27LHG62VSL5J

not attested not anchored not stored refs pending

A novel graph-based model for hybrid recommendations in cold-start scenarios

Cesare Bernardis, Maurizio Ferrari Dacrema, Paolo Cremonesi

arxiv:1808.10664 v1 · 2018-08-31 · cs.LG · cs.IR · 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{YHE7KXCMXIZ7KJ27LHG62VSL5J}

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	2026-05-17T23:40:41.616917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1c9f55c4cba33f5275f59cded564bea655595c18e7b54182d5ae6706f7265db

Aliases

arxiv: 1808.10664 · arxiv_version: 1808.10664v1 · doi: 10.48550/arxiv.1808.10664 · pith_short_12: YHE7KXCMXIZ7 · pith_short_16: YHE7KXCMXIZ7KJ27 · pith_short_8: YHE7KXCM

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/YHE7KXCMXIZ7KJ27LHG62VSL5J \
  | 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: c1c9f55c4cba33f5275f59cded564bea655595c18e7b54182d5ae6706f7265db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2bdbd267be4107e6d96fca2d3002cb756fb8b0f69760e190f5d1a2c7997af4f",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-08-31T10:22:32Z",
    "title_canon_sha256": "9bee755927844192098d9d1cb25381d97d41d21f6a9120b7640b26ace833e985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10664",
    "kind": "arxiv",
    "version": 1
  }
}