Pith Number

pith:FI47PWWR

pith:2019:FI47PWWRSBIWVCECU2P646THXN

not attested not anchored not stored refs pending

Evaluation and Improvement of Chatbot Text Classification Data Quality Using Plausible Negative Examples

Andriy Martyniv, Kit Kuksenok

arxiv:1906.01910 v1 · 2019-06-05 · 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{FI47PWWRSBIWVCECU2P646THXN}

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	2026-05-17T23:44:05.774129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a39f7dad190516a8882a69fee7a67bb46b23e8a34a38465f061eed1417cbb95

Aliases

arxiv: 1906.01910 · arxiv_version: 1906.01910v1 · doi: 10.48550/arxiv.1906.01910 · pith_short_12: FI47PWWRSBIW · pith_short_16: FI47PWWRSBIWVCEC · pith_short_8: FI47PWWR

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/FI47PWWRSBIWVCECU2P646THXN \
  | 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: 2a39f7dad190516a8882a69fee7a67bb46b23e8a34a38465f061eed1417cbb95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed93e2b375f53e8f943a47205381255af47c32bf394b21dccbf170c0d421a716",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-06-05T09:52:22Z",
    "title_canon_sha256": "b72b5ec7633b8f083fd301064c39f93eaad7c87483252ca2fa7252f3eb701864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01910",
    "kind": "arxiv",
    "version": 1
  }
}