Pith Number

pith:K2SB3C7B

pith:2025:K2SB3C7BREEOZZ5FZ2MIF4L5YM

not attested not anchored not stored refs pending

Personalized Denoising Implicit Feedback for Robust Recommender System

Fei Sun, Huawei Shen, Kaike Zhang, Qi Cao, Xueqi Cheng, Yunfan Wu

arxiv:2502.00348 v1 · 2025-02-01 · 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{K2SB3C7BREEOZZ5FZ2MIF4L5YM}

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	2026-07-05T10:08:32.502633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56a41d8be18908ece7a5ce9882f17dc314ad31c473757decf0f91f2dd50cc507

Aliases

arxiv: 2502.00348 · arxiv_version: 2502.00348v1 · doi: 10.48550/arxiv.2502.00348 · pith_short_12: K2SB3C7BREEO · pith_short_16: K2SB3C7BREEOZZ5F · pith_short_8: K2SB3C7B

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/K2SB3C7BREEOZZ5FZ2MIF4L5YM \
  | 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: 56a41d8be18908ece7a5ce9882f17dc314ad31c473757decf0f91f2dd50cc507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d68b47727674d60ad9158adb8f4ee515a48e13ee01fa3e3ffc256b0488d547ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-02-01T07:13:06Z",
    "title_canon_sha256": "0dc7811d79e33c7fb83bfd57e0b1ffba43ff5f296bf1451d98d77ff68c870ea3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00348",
    "kind": "arxiv",
    "version": 1
  }
}