Pith Number

pith:N2M6KDFB

pith:2026:N2M6KDFBO4BZRZXVW3Y67M46ZK

not attested not anchored not stored refs pending

ClusterRAG: Cluster-Based Collaborative Filtering for Personalized Retrieval-Augmented Generation

Gibson Nkhata, Quan Mai, Susan Gauch, Uttamasha Anjally Oyshi

arxiv:2605.18769 v1 · 2026-04-14 · cs.IR · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2M6KDFBO4BZRZXVW3Y67M46ZK}

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	2026-05-20T00:06:20.989174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e99e50ca1770398e6f5b6f1efb39eca9f9903d7156ce902a4c45e3b4246fa0c

Aliases

arxiv: 2605.18769 · arxiv_version: 2605.18769v1 · doi: 10.48550/arxiv.2605.18769 · pith_short_12: N2M6KDFBO4BZ · pith_short_16: N2M6KDFBO4BZRZXV · pith_short_8: N2M6KDFB

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/N2M6KDFBO4BZRZXVW3Y67M46ZK \
  | 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: 6e99e50ca1770398e6f5b6f1efb39eca9f9903d7156ce902a4c45e3b4246fa0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94cda0a84bc5412cd331453b0539184e2cf5c5b13db36c9e6c82a14c1dbdfd62",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-04-14T01:52:09Z",
    "title_canon_sha256": "4200f25989a610b3a8da9274657e5ab9da6f69f5b6ab0f2e278877832b68aa73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18769",
    "kind": "arxiv",
    "version": 1
  }
}