Pith Number

pith:N6S3ED4U

pith:2019:N6S3ED4UQTUEQ33SPZXHKC5MW7

not attested not anchored not stored refs pending

Detecting Syntactic Change Using a Neural Part-of-Speech Tagger

Gigi Felice Stark, Robert Frank, William Merrill

arxiv:1906.01661 v2 · 2019-06-04 · 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{N6S3ED4UQTUEQ33SPZXHKC5MW7}

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	2026-05-17T23:41:02.159926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa5b20f9484e8486f727e6e750bacb7e68a3198339e47d4d0c96526c567efa8

Aliases

arxiv: 1906.01661 · arxiv_version: 1906.01661v2 · doi: 10.48550/arxiv.1906.01661 · pith_short_12: N6S3ED4UQTUE · pith_short_16: N6S3ED4UQTUEQ33S · pith_short_8: N6S3ED4U

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/N6S3ED4UQTUEQ33SPZXHKC5MW7 \
  | 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: 6fa5b20f9484e8486f727e6e750bacb7e68a3198339e47d4d0c96526c567efa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c81d3963e1dd95ac419fdae4a3df8dcefc9a9d102b7aa58ad80d385e936107f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-04T18:04:14Z",
    "title_canon_sha256": "a86f4e6bfad4e735dc9f5df509994aa57b51093b1abed9471a004f5cea92c827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01661",
    "kind": "arxiv",
    "version": 2
  }
}