Pith Number

pith:KE3TPNP7

pith:2013:KE3TPNP7E2PQFSRH6CZYXBYJIG

not attested not anchored not stored refs pending

LA-LDA: A Limited Attention Topic Model for Social Recommendation

Jeon-Hyung Kang, Kristina Lerman, Lise Getoor

arxiv:1301.6277 v1 · 2013-01-26 · cs.SI · cs.IR · 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{KE3TPNP7E2PQFSRH6CZYXBYJIG}

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	2026-05-18T03:35:15.960159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

513737b5ff269f02ca27f0b38b870941a0df4c8a50fbd114a3c447d464928e08

Aliases

arxiv: 1301.6277 · arxiv_version: 1301.6277v1 · doi: 10.48550/arxiv.1301.6277 · pith_short_12: KE3TPNP7E2PQ · pith_short_16: KE3TPNP7E2PQFSRH · pith_short_8: KE3TPNP7

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/KE3TPNP7E2PQFSRH6CZYXBYJIG \
  | 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: 513737b5ff269f02ca27f0b38b870941a0df4c8a50fbd114a3c447d464928e08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1af46a09bcf15e397cab2aaed1a15ce4d0558b9c3ddcf95e1e56be9425a00fa8",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-01-26T18:26:36Z",
    "title_canon_sha256": "4a8ee9bb716891261d531fab41ee882d775997d7951ee4f35512d8075ae4e44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6277",
    "kind": "arxiv",
    "version": 1
  }
}