Pith Number

pith:W2NN7YBV

pith:2021:W2NN7YBV6YFBOQUPHWSE3BMLYQ

not attested not anchored not stored refs pending

Sliding Spectrum Decomposition for Diversified Recommendation

Lei Zhang, Ruiwen Xu, Weikun Wang, Yanhua Huang

arxiv:2107.05204 v1 · 2021-07-12 · cs.IR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2NN7YBV6YFBOQUPHWSE3BMLYQ}

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	2026-07-05T02:57:00.631409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b69adfe035f60a17428f3da44d858bc40861ec8a00924b41d060d4fc507ee890

Aliases

arxiv: 2107.05204 · arxiv_version: 2107.05204v1 · doi: 10.48550/arxiv.2107.05204 · pith_short_12: W2NN7YBV6YFB · pith_short_16: W2NN7YBV6YFBOQUP · pith_short_8: W2NN7YBV

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/W2NN7YBV6YFBOQUPHWSE3BMLYQ \
  | 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: b69adfe035f60a17428f3da44d858bc40861ec8a00924b41d060d4fc507ee890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5491eab510cd846bdb09258bb8aa72dcfb7559179902012b090daefabb96c74b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-07-12T05:41:54Z",
    "title_canon_sha256": "44398eddc03c15fac62589ee4353b6492598ddf55bf5a7df94f97748265a23cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05204",
    "kind": "arxiv",
    "version": 1
  }
}