Pith Number

pith:T6QLPHWL

pith:2014:T6QLPHWLWKSNANO6FZULHHZGT7

not attested not anchored not stored refs pending

Improving Collaborative Filtering based Recommenders using Topic Modelling

Brejesh Lall, Jobin Wilson, Prateek Kapadia, Santanu Chaudhury

arxiv:1402.6238 v1 · 2014-02-25 · cs.IR · cs.CL · 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{T6QLPHWLWKSNANO6FZULHHZGT7}

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	2026-05-18T02:57:51.349043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fa0b79ecbb2a4d035de2e68b39f269fc50d459d6666b651d9ba3b12e89aefb2

Aliases

arxiv: 1402.6238 · arxiv_version: 1402.6238v1 · doi: 10.48550/arxiv.1402.6238 · pith_short_12: T6QLPHWLWKSN · pith_short_16: T6QLPHWLWKSNANO6 · pith_short_8: T6QLPHWL

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/T6QLPHWLWKSNANO6FZULHHZGT7 \
  | 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: 9fa0b79ecbb2a4d035de2e68b39f269fc50d459d6666b651d9ba3b12e89aefb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c45e5806bb1d98672a4f90a2b49537c6def96d8895871fa33ab45b9f8a96008",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2014-02-25T16:52:05Z",
    "title_canon_sha256": "911654bc4e2c21584acdacc6ef6138f8c6bd448c350b6a82a8e6912fc498f77f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.6238",
    "kind": "arxiv",
    "version": 1
  }
}