Pith Number

pith:BABCCPTY

pith:2019:BABCCPTY4IZAPJPYW6Y7NFRJR6

not attested not anchored not stored refs pending

Incrementalizing RASA's Open-Source Natural Language Understanding Pipeline

Andrew Rafla, Casey Kennington

arxiv:1907.05403 v1 · 2019-07-11 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BABCCPTY4IZAPJPYW6Y7NFRJR6}

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	2026-05-17T23:40:50.373542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0802213e78e23207a5f8b7b1f696298f9ae34604fd3bf823471ea92785c788ab

Aliases

arxiv: 1907.05403 · arxiv_version: 1907.05403v1 · doi: 10.48550/arxiv.1907.05403 · pith_short_12: BABCCPTY4IZA · pith_short_16: BABCCPTY4IZAPJPY · pith_short_8: BABCCPTY

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/BABCCPTY4IZAPJPYW6Y7NFRJR6 \
  | 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: 0802213e78e23207a5f8b7b1f696298f9ae34604fd3bf823471ea92785c788ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea2fa66fa6eeadc3a2192dd50bde933cb64dc8f5c9412fbaab50d47b2859e498",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-11T17:35:20Z",
    "title_canon_sha256": "fc3ac67596726001d0dc47acfea3f5935c3d64b8ac8514041f48df4ea9814a80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05403",
    "kind": "arxiv",
    "version": 1
  }
}