Pith Number

pith:HHAKZOU5

pith:2021:HHAKZOU5PNPLDGNRONFQ5FL57M

not attested not anchored not stored refs pending

Something Old, Something New: Grammar-based CCG Parsing with Transformer Models

Stephen Clark

arxiv:2109.10044 v2 · 2021-09-21 · 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{HHAKZOU5PNPLDGNRONFQ5FL57M}

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.

Cited by

1 paper in Pith

Non-semisimple open-closed 3d TFT

Receipt and verification

First computed	2026-07-05T03:18:00.173080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c0acba9d7b5eb199b1734b0e957dfb07631fc2f1d39f645b219840b23b1988

Aliases

arxiv: 2109.10044 · arxiv_version: 2109.10044v2 · doi: 10.48550/arxiv.2109.10044 · pith_short_12: HHAKZOU5PNPL · pith_short_16: HHAKZOU5PNPLDGNR · pith_short_8: HHAKZOU5

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/HHAKZOU5PNPLDGNRONFQ5FL57M \
  | 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: 39c0acba9d7b5eb199b1734b0e957dfb07631fc2f1d39f645b219840b23b1988

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e08782170526bfab89fef550c7ec6a8ef7e492c98e12f80d1f73de83a0c92796",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-21T09:20:12Z",
    "title_canon_sha256": "5a1fe661375f6a6ebe1182150a5dc86f3c8e42a5ba71cdfcbe4f3365248f7162"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10044",
    "kind": "arxiv",
    "version": 2
  }
}