Pith Number

pith:ESTJQLIB

pith:2025:ESTJQLIBR5F47KD6BX32ZV5IPF

not attested not anchored not stored refs pending

Contrastive Learning on LLM Back Generation Treebank for Cross-domain Constituency Parsing

Jianling Li, Meishan Zhang, Min Zhang, Peiming Guo, Yue Zhang

arxiv:2505.20976 v1 · 2025-05-27 · 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{ESTJQLIBR5F47KD6BX32ZV5IPF}

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	2026-07-05T11:10:21.916156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24a6982d018f4bcfa87e0df7acd7a87945488429b125f7502d50aa4e410ce43d

Aliases

arxiv: 2505.20976 · arxiv_version: 2505.20976v1 · doi: 10.48550/arxiv.2505.20976 · pith_short_12: ESTJQLIBR5F4 · pith_short_16: ESTJQLIBR5F47KD6 · pith_short_8: ESTJQLIB

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/ESTJQLIBR5F47KD6BX32ZV5IPF \
  | 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: 24a6982d018f4bcfa87e0df7acd7a87945488429b125f7502d50aa4e410ce43d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c89f55f1f523b03aaf0eafceb69b65366ad27ae9a6859a97ede7af4ac70205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-27T10:07:54Z",
    "title_canon_sha256": "a282870160156a182ab344f9f4b085ecefa3806ffa54ec766d63818f5047fcae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20976",
    "kind": "arxiv",
    "version": 1
  }
}