Pith Number

pith:ZLLFFRWI

pith:2019:ZLLFFRWIMSZ6ZER5COXQWFBWKR

not attested not anchored not stored refs pending

Structural Supervision Improves Learning of Non-Local Grammatical Dependencies

Ethan Wilcox, Miguel Ballesteros, Peng Qian, Richard Futrell, Roger Levy

arxiv:1903.00943 v2 · 2019-03-03 · 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{ZLLFFRWIMSZ6ZER5COXQWFBWKR}

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	2026-05-17T23:49:14.516460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cad652c6c864b3ec923d13af0b1436546ccafce2e3574c6b0b53146a14b13d0a

Aliases

arxiv: 1903.00943 · arxiv_version: 1903.00943v2 · doi: 10.48550/arxiv.1903.00943 · pith_short_12: ZLLFFRWIMSZ6 · pith_short_16: ZLLFFRWIMSZ6ZER5 · pith_short_8: ZLLFFRWI

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/ZLLFFRWIMSZ6ZER5COXQWFBWKR \
  | 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: cad652c6c864b3ec923d13af0b1436546ccafce2e3574c6b0b53146a14b13d0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "502a2eefc060c3d5a2d651f0d9a9b7228f76bce153f544c6685c5f993d781b96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-03T17:08:00Z",
    "title_canon_sha256": "599e4110595131ed7f04387c33adfde704cb3cf521cc90bd43054b6f559aeb55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00943",
    "kind": "arxiv",
    "version": 2
  }
}