Pith Number

pith:3G65JD7D

pith:2026:3G65JD7DLVJZ6P37ZH7NPXREW7

not attested not anchored not stored refs pending

Robust Recommendation from Noisy Implicit Feedback: A GMM-Weighted Bayes-label Transition Matrix Framework

Gongce Cao, Shirui Sun, Xuanyu Liu, Yaqi Fang, Yongshuai Yu, Zongyu Li

arxiv:2605.20721 v1 · 2026-05-20 · 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{3G65JD7DLVJZ6P37ZH7NPXREW7}

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	2026-05-21T01:04:50.731383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9bdd48fe35d539f3f7fc9fed7de24b7cc58b5d4d47b646a274805539bc7715f

Aliases

arxiv: 2605.20721 · arxiv_version: 2605.20721v1 · doi: 10.48550/arxiv.2605.20721 · pith_short_12: 3G65JD7DLVJZ · pith_short_16: 3G65JD7DLVJZ6P37 · pith_short_8: 3G65JD7D

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/3G65JD7DLVJZ6P37ZH7NPXREW7 \
  | 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: d9bdd48fe35d539f3f7fc9fed7de24b7cc58b5d4d47b646a274805539bc7715f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0f69e9c873703fd1c147bb9ea0a652487b3f7020b30086721cd7db6240e5a5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-20T05:20:33Z",
    "title_canon_sha256": "b6f941748de8aaf2529a570be6b77e5595fab70da3582d0b310dc139757fcf48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20721",
    "kind": "arxiv",
    "version": 1
  }
}