Pith Number

pith:CWBXVSEJ

pith:2019:CWBXVSEJZFZ4KK2VONCOCSHEHU

not attested not anchored not stored refs pending

Analyses of Multi-collection Corpora via Compound Topic Modeling

Clint P. George, George Michailidis, Wei Xia

arxiv:1907.01636 v1 · 2019-06-17 · cs.IR · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWBXVSEJZFZ4KK2VONCOCSHEHU}

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	2026-05-17T23:41:35.688813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15837ac889c973c52b557344e148e43d104a004dbd6456722f98a126f7d28278

Aliases

arxiv: 1907.01636 · arxiv_version: 1907.01636v1 · doi: 10.48550/arxiv.1907.01636 · pith_short_12: CWBXVSEJZFZ4 · pith_short_16: CWBXVSEJZFZ4KK2V · pith_short_8: CWBXVSEJ

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/CWBXVSEJZFZ4KK2VONCOCSHEHU \
  | 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: 15837ac889c973c52b557344e148e43d104a004dbd6456722f98a126f7d28278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a410e8ab972387a1c052e41d8147783126b0b1f7c30ffbc3c52ede106d6ae1",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-06-17T06:59:25Z",
    "title_canon_sha256": "0273f1c46c6581c1466e0defc6e544aeb3f39767e51f7158ffb914ed28955e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01636",
    "kind": "arxiv",
    "version": 1
  }
}