Pith Number

pith:PRCLZT5S

pith:2015:PRCLZT5SLVBU4QV7ZJNQWUBJJ2

not attested not anchored not stored refs pending

User Clustering in Online Advertising via Topic Models

Ali Dasdan, Kuang-chih Lee, Sahin Cem Geyik

arxiv:1501.06595 v2 · 2015-01-26 · cs.AI · 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{PRCLZT5SLVBU4QV7ZJNQWUBJJ2}

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	2026-05-18T02:26:29.775824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c44bccfb25d434e42bfca5b0b50294e9ba4f169f12fe544a1345d3b4a493e5a

Aliases

arxiv: 1501.06595 · arxiv_version: 1501.06595v2 · doi: 10.48550/arxiv.1501.06595 · pith_short_12: PRCLZT5SLVBU · pith_short_16: PRCLZT5SLVBU4QV7 · pith_short_8: PRCLZT5S

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/PRCLZT5SLVBU4QV7ZJNQWUBJJ2 \
  | 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: 7c44bccfb25d434e42bfca5b0b50294e9ba4f169f12fe544a1345d3b4a493e5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "784bfc37ea1c0200b8f50e1ade8c066faf4c9dd77c9e4fc3e76fd7926c88a7df",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-01-26T21:44:08Z",
    "title_canon_sha256": "a7042977ba0f04916de91e2c5983a97575b3d01b26b8618fcbcc06604c95b1a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06595",
    "kind": "arxiv",
    "version": 2
  }
}