Pith Number

pith:6SPEJH2T

pith:2024:6SPEJH2TPK6WCLTFEHIWEMHH5L

not attested not anchored not stored refs pending

A Survey on Data-Centric Recommender Systems

Chi Zhang, Riwei Lai, Rui Chen

arxiv:2401.17878 v4 · 2024-01-31 · 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{6SPEJH2TPK6WCLTFEHIWEMHH5L}

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.

Cited by

1 paper in Pith

GORACS: Group-level Optimal Transport-guided Coreset Selection for LLM-based Recommender Systems

Receipt and verification

First computed	2026-07-05T08:24:00.367308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f49e449f537abd612e6521d16230e7eaec0b3d3a670c601c623fe5e79e2afc4e

Aliases

arxiv: 2401.17878 · arxiv_version: 2401.17878v4 · doi: 10.48550/arxiv.2401.17878 · pith_short_12: 6SPEJH2TPK6W · pith_short_16: 6SPEJH2TPK6WCLTF · pith_short_8: 6SPEJH2T

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/6SPEJH2TPK6WCLTFEHIWEMHH5L \
  | 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: f49e449f537abd612e6521d16230e7eaec0b3d3a670c601c623fe5e79e2afc4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a3cf63079304049a7a673eaae9ce68870fa962e615edf95f19fdf5f2b9c6851",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-01-31T14:36:44Z",
    "title_canon_sha256": "89c5e7a2e7c887d5a9ac34e497430d87e1550df163427f19516572317e883220"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17878",
    "kind": "arxiv",
    "version": 4
  }
}