Pith Number

pith:VDLUFYTX

pith:2026:VDLUFYTX3TQZVFYRPNB55QTZFE

not attested not anchored not stored refs pending

From TF-IDF to Transformers: A Comparative and Ensemble Approach to Sentiment Classification

Dip Biswas Shanto, Mitali Yadav, Prajwal Panth, Suresh Chandra Satapathy

arxiv:2605.22003 v1 · 2026-05-21 · cs.CL · cs.AI · 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{VDLUFYTX3TQZVFYRPNB55QTZFE}

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	2026-05-22T01:04:19.964809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d742e277dce19a97117b43dec279292aafef1b4b488379b57d61e6222407d2

Aliases

arxiv: 2605.22003 · arxiv_version: 2605.22003v1 · doi: 10.48550/arxiv.2605.22003 · pith_short_12: VDLUFYTX3TQZ · pith_short_16: VDLUFYTX3TQZVFYR · pith_short_8: VDLUFYTX

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/VDLUFYTX3TQZVFYRPNB55QTZFE \
  | 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: a8d742e277dce19a97117b43dec279292aafef1b4b488379b57d61e6222407d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b869c4d5c0b543ab3ee10ddcd56c9136c0c4da190c254047b7b672a3bfa0be1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-21T05:00:12Z",
    "title_canon_sha256": "59c3e2725e118ffafdf255a9740bd1cef51b810ff32d634f6e8ccc72c0dd468c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22003",
    "kind": "arxiv",
    "version": 1
  }
}