Pith Number

pith:ZUK2224J

pith:2025:ZUK2224JBXL2I2UWPSW55TSIZ6

not attested not anchored not stored refs pending

Hierarchical Bracketing Encodings for Dependency Parsing as Tagging

Ana Ezquerro, Anssi Yli-Jyr\"a, Carlos G\'omez-Rodr\'iguez, David Vilares

arxiv:2505.11693 v2 · 2025-05-16 · 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{ZUK2224JBXL2I2UWPSW55TSIZ6}

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	2026-07-05T11:34:51.185749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd15ad6b890dd7a46a967caddece48cfb513ce1d2b990659c05b933241577068

Aliases

arxiv: 2505.11693 · arxiv_version: 2505.11693v2 · doi: 10.48550/arxiv.2505.11693 · pith_short_12: ZUK2224JBXL2 · pith_short_16: ZUK2224JBXL2I2UW · pith_short_8: ZUK2224J

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/ZUK2224JBXL2I2UWPSW55TSIZ6 \
  | 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: cd15ad6b890dd7a46a967caddece48cfb513ce1d2b990659c05b933241577068

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e051bf712f9a93e99ada989600b03baaf226e028b1cd28f591c690e8fe3d219",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-16T21:01:28Z",
    "title_canon_sha256": "353514f22555c626afc0b324d1394c06338601620306f43ae8115dc47dd260ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11693",
    "kind": "arxiv",
    "version": 2
  }
}