Pith Number

pith:U6KL2PJS

pith:2021:U6KL2PJS4GTFUQ6JKWLCSBN5VX

not attested not anchored not stored refs pending

Keyword Assisted Embedded Topic Model

Bahareh Harandizadeh, Fred Morstatter, J. Hunter Priniski

arxiv:2112.03101 v1 · 2021-11-22 · 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{U6KL2PJS4GTFUQ6JKWLCSBN5VX}

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	2026-07-05T03:38:02.023815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a794bd3d32e1a65a43c955962905bdade94ab8e26b1527ce4f499b8dbb49f212

Aliases

arxiv: 2112.03101 · arxiv_version: 2112.03101v1 · doi: 10.48550/arxiv.2112.03101 · pith_short_12: U6KL2PJS4GTF · pith_short_16: U6KL2PJS4GTFUQ6J · pith_short_8: U6KL2PJS

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/U6KL2PJS4GTFUQ6JKWLCSBN5VX \
  | 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: a794bd3d32e1a65a43c955962905bdade94ab8e26b1527ce4f499b8dbb49f212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c234cece581996b5f20d9e35b4ef02c93fd46c9f6878aaf905a87181ed9aa126",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-11-22T07:27:17Z",
    "title_canon_sha256": "7f356fc68b24fd17267bb16918f4d835bf389044e922a5f93e767efb61429600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03101",
    "kind": "arxiv",
    "version": 1
  }
}