Pith Number

pith:DDJ4SU6I

pith:2018:DDJ4SU6I72QBIZHWSZUQWKTQNN

not attested not anchored not stored refs pending

MMALFM: Explainable Recommendation by Leveraging Reviews and Images

Lei Zhu, Mohan Kankanhalli, Rose C. Kanjirathinkal, Xiaojun Chang, Zhiyong Cheng

arxiv:1811.05318 v2 · 2018-11-12 · 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{DDJ4SU6I72QBIZHWSZUQWKTQNN}

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	2026-05-18T00:00:01.728788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18d3c953c8fea01464f696690b2a706b683286bd436e8461fede386fbc9a46bb

Aliases

arxiv: 1811.05318 · arxiv_version: 1811.05318v2 · doi: 10.48550/arxiv.1811.05318 · pith_short_12: DDJ4SU6I72QB · pith_short_16: DDJ4SU6I72QBIZHW · pith_short_8: DDJ4SU6I

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/DDJ4SU6I72QBIZHWSZUQWKTQNN \
  | 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: 18d3c953c8fea01464f696690b2a706b683286bd436e8461fede386fbc9a46bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fe659c6dc3a20139aca1962974268f4862701ed7697a7801b23306cd528e04f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-11-12T06:00:10Z",
    "title_canon_sha256": "2027140c168c6f5ec01faeb5d6d58bd9b6c0f6d71343e1d1764ca6fcc963600d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05318",
    "kind": "arxiv",
    "version": 2
  }
}