Pith Number

pith:N7ZKMLRR

pith:2026:N7ZKMLRROY2L2VY352COOS4KS4

not attested not anchored not stored refs pending

Leveraging LLMs for Grammar Adaptation: A Study on Metamodel-Grammar Co-Evolution

Bowen Jiang, Daniel Str\"uber, Rahul Sharma, Regina Hebig, Weixing Zhang

arxiv:2605.21465 v1 · 2026-05-20 · cs.CL · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N7ZKMLRROY2L2VY352COOS4KS4}

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	2026-05-21T02:05:38.536167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ff2a62e317634bd571bee84e74b8a970ef1b3f6b4199677ae8f843b15a31dac

Aliases

arxiv: 2605.21465 · arxiv_version: 2605.21465v1 · doi: 10.48550/arxiv.2605.21465 · pith_short_12: N7ZKMLRROY2L · pith_short_16: N7ZKMLRROY2L2VY3 · pith_short_8: N7ZKMLRR

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/N7ZKMLRROY2L2VY352COOS4KS4 \
  | 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: 6ff2a62e317634bd571bee84e74b8a970ef1b3f6b4199677ae8f843b15a31dac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca8e544576811f8a6b100a1b1f7aa55c3f7698dd3e91c4da668cf7d5ec7994dd",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-20T17:51:51Z",
    "title_canon_sha256": "f62fff33d66aaf239f0d5199fa240c16ae8bc826fcf253b43ada3c22439ac0e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21465",
    "kind": "arxiv",
    "version": 1
  }
}