Pith Number

pith:ZNM3NO6R

pith:2019:ZNM3NO6R56DL47PUHEYCIEM5TC

not attested not anchored not stored refs pending

MMF: Attribute Interpretable Collaborative Filtering

Rui Zhang, Sarah Monazam Erfani, Yixin Su

arxiv:1908.01099 v1 · 2019-08-03 · 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{ZNM3NO6R56DL47PUHEYCIEM5TC}

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	2026-07-05T00:26:09.528371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb59b6bbd1ef86be7df4393024119d98832d3b619acec759bf72f69edc613d79

Aliases

arxiv: 1908.01099 · arxiv_version: 1908.01099v1 · doi: 10.48550/arxiv.1908.01099 · pith_short_12: ZNM3NO6R56DL · pith_short_16: ZNM3NO6R56DL47PU · pith_short_8: ZNM3NO6R

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/ZNM3NO6R56DL47PUHEYCIEM5TC \
  | 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: cb59b6bbd1ef86be7df4393024119d98832d3b619acec759bf72f69edc613d79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df566f1da172fed19564630cb9d43bbdc74d0aa4f4d271c0d80c885456d8ffd6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-08-03T01:10:41Z",
    "title_canon_sha256": "b1174c778b0c6be7f577f37c39827205425b83339c1eb740570f1f18747861a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01099",
    "kind": "arxiv",
    "version": 1
  }
}