Pith Number

pith:5WUBVGNM

pith:2020:5WUBVGNMHTOLSOT667B5JKQS7K

not attested not anchored not stored refs pending

Classifier Combination Approach for Question Classification for Bengali Question Answering System

Paolo Rosso, Sivaji Bandyopadhyay, Somnath Banerjee, Sudip Kumar Naskar

arxiv:2008.13597 v2 · 2020-08-31 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WUBVGNMHTOLSOT667B5JKQS7K}

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	2026-07-05T01:33:23.060058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eda81a99ac3cdcb93a7ef7c3d4aa12fa9018ad80638a955f7ba6e2da1b30afa5

Aliases

arxiv: 2008.13597 · arxiv_version: 2008.13597v2 · doi: 10.48550/arxiv.2008.13597 · pith_short_12: 5WUBVGNMHTOL · pith_short_16: 5WUBVGNMHTOLSOT6 · pith_short_8: 5WUBVGNM

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/5WUBVGNMHTOLSOT667B5JKQS7K \
  | 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: eda81a99ac3cdcb93a7ef7c3d4aa12fa9018ad80638a955f7ba6e2da1b30afa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9dd6fbfad2b49c8a0a4f287309070d1dc77ae8be71a95b102c79591f8f8e853",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-08-31T13:39:04Z",
    "title_canon_sha256": "a5c31387aadfef8bba7028f79b79f40df0a828de1e04309075fa72dcb50fdba9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13597",
    "kind": "arxiv",
    "version": 2
  }
}