Pith Number

pith:OGS6DQZ7

pith:2025:OGS6DQZ7N3LXGJ4BCWUE365PRC

not attested not anchored not stored refs pending

Dynamic Embedded Topic Models: properties and recommendations based on diverse corpora

Bella Xia, Elisabeth Fittschen, Leib Celnik, Paul Dilley, Tom Lippincott

arxiv:2504.19209 v1 · 2025-04-27 · 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{OGS6DQZ7N3LXGJ4BCWUE365PRC}

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	2026-07-05T10:54:53.707632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a5e1c33f6ed773278115a84dfbaf88810de581c2f3920c7e062dd28db8df21

Aliases

arxiv: 2504.19209 · arxiv_version: 2504.19209v1 · doi: 10.48550/arxiv.2504.19209 · pith_short_12: OGS6DQZ7N3LX · pith_short_16: OGS6DQZ7N3LXGJ4B · pith_short_8: OGS6DQZ7

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/OGS6DQZ7N3LXGJ4BCWUE365PRC \
  | 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: 71a5e1c33f6ed773278115a84dfbaf88810de581c2f3920c7e062dd28db8df21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb8eb05d03d9add09f28c85d0010f60e10df8440c07627fad002eb7d0fabbb5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-27T12:25:09Z",
    "title_canon_sha256": "e935b9be60eaa875d851fe9ef779f21880427beded344c7f74f1df2667ba93f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19209",
    "kind": "arxiv",
    "version": 1
  }
}