Pith Number

pith:4O2UNCIG

pith:2019:4O2UNCIG4BQCCPPFO7EAEXRQ5S

not attested not anchored not stored refs pending

Fast Intent Classification for Spoken Language Understanding

Akshit Tyagi, Bill Campbell, Lynn Samson, Nan Zhuang, Rahul Gupta, Varun Sharma, Zihang Wang

arxiv:1912.01728 v2 · 2019-12-03 · cs.CL · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4O2UNCIG4BQCCPPFO7EAEXRQ5S}

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	2026-07-05T00:40:46.052564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b5468906e060213de577c8025e30eca76c1e8dd98dc0f8aae030b75d0f40c0

Aliases

arxiv: 1912.01728 · arxiv_version: 1912.01728v2 · doi: 10.48550/arxiv.1912.01728 · pith_short_12: 4O2UNCIG4BQC · pith_short_16: 4O2UNCIG4BQCCPPF · pith_short_8: 4O2UNCIG

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/4O2UNCIG4BQCCPPFO7EAEXRQ5S \
  | 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: e3b5468906e060213de577c8025e30eca76c1e8dd98dc0f8aae030b75d0f40c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9e31c9df2213568b6b856cd55d359a35d1bd9ec726ddcc206366e4bcc7178c2",
    "cross_cats_sorted": [
      "cs.SD",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-12-03T22:46:59Z",
    "title_canon_sha256": "92f676a3d4229b011efc28698f4ca60be7ca53ee05a112d47fd5463e18f2d6f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01728",
    "kind": "arxiv",
    "version": 2
  }
}