Pith Number

pith:M2HDGHKF

pith:2017:M2HDGHKFPL2HQU77SVQUZJS2R2

not attested not anchored not stored refs pending

Hybrid Collaborative Recommendation via Semi-AutoEncoder

Liming Zhu, Lina Yao, Sen Wang, Shuai Zhang, Xiwei Xu

arxiv:1706.04453 v2 · 2017-06-14 · 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{M2HDGHKFPL2HQU77SVQUZJS2R2}

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	2026-05-18T00:37:58.453202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668e331d457af47853ff95614ca65a8e9c0044e9fa100e5730ac0d6ee94f4f45

Aliases

arxiv: 1706.04453 · arxiv_version: 1706.04453v2 · doi: 10.48550/arxiv.1706.04453 · pith_short_12: M2HDGHKFPL2H · pith_short_16: M2HDGHKFPL2HQU77 · pith_short_8: M2HDGHKF

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/M2HDGHKFPL2HQU77SVQUZJS2R2 \
  | 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: 668e331d457af47853ff95614ca65a8e9c0044e9fa100e5730ac0d6ee94f4f45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e851bacc776af7bbcf96117725ee9a126ed4a43aa3a70f8722827e18d2c649",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-06-14T12:47:36Z",
    "title_canon_sha256": "62752b2cc7f495e81a95eae4382830c02c910478d44c62e2ba9747040b454fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04453",
    "kind": "arxiv",
    "version": 2
  }
}