Pith Number

pith:7VNCONQ6

pith:2018:7VNCONQ6ACXM4Y5TGWFSWRXYRR

not attested not anchored not stored refs pending

Word Embedding Perturbation for Sentence Classification

Dongxu Zhang, Zhichao Yang

arxiv:1804.08166 v1 · 2018-04-22 · 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{7VNCONQ6ACXM4Y5TGWFSWRXYRR}

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	2026-05-18T00:17:49.347820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd5a27361e00aece63b3358b2b46f88c52821c620a293a4d424d389c839de79f

Aliases

arxiv: 1804.08166 · arxiv_version: 1804.08166v1 · doi: 10.48550/arxiv.1804.08166 · pith_short_12: 7VNCONQ6ACXM · pith_short_16: 7VNCONQ6ACXM4Y5T · pith_short_8: 7VNCONQ6

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/7VNCONQ6ACXM4Y5TGWFSWRXYRR \
  | 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: fd5a27361e00aece63b3358b2b46f88c52821c620a293a4d424d389c839de79f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8b8d62aea9929fdd3d46066f70691fba159cad5be82f27d5c9ea521f3381cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-04-22T20:42:13Z",
    "title_canon_sha256": "cf777207f04aaa14af04f8a734177af08af25d5434462138beeefefbbd1010e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08166",
    "kind": "arxiv",
    "version": 1
  }
}