Pith Number

pith:SAY4DJVZ

pith:2017:SAY4DJVZJB7I7SO5W74QNLVKWZ

not attested not anchored not stored refs pending

Neural Collaborative Filtering

Hanwang Zhang, Liqiang Nie, Lizi Liao, Tat-Seng Chua, Xia Hu, Xiangnan He

arxiv:1708.05031 v2 · 2017-08-16 · 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{SAY4DJVZJB7I7SO5W74QNLVKWZ}

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	2026-05-18T00:36:38.079573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9031c1a6b9487e8fc9ddb7f906aeaab6494de9187d927a7d26f174b10a1f943a

Aliases

arxiv: 1708.05031 · arxiv_version: 1708.05031v2 · doi: 10.48550/arxiv.1708.05031 · pith_short_12: SAY4DJVZJB7I · pith_short_16: SAY4DJVZJB7I7SO5 · pith_short_8: SAY4DJVZ

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/SAY4DJVZJB7I7SO5W74QNLVKWZ \
  | 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: 9031c1a6b9487e8fc9ddb7f906aeaab6494de9187d927a7d26f174b10a1f943a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdb7cd15b0154f54a402b61dec898c74ff2a394c3c8e4610f28607b07c8f637d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-08-16T18:30:09Z",
    "title_canon_sha256": "f39ffb579d9a258dd2c42a983ab50b015e89b4158bee76b38dd44d47a23dd517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05031",
    "kind": "arxiv",
    "version": 2
  }
}