Pith Number

pith:WJKYGSHG

pith:2026:WJKYGSHGIHBXFIUVX37XBR6XKL

not attested not anchored not stored refs pending

Meet UD_Czech-PDTC: A Large and Genre-Rich Treebank in Universal Dependencies

Barbora \v{S}t\v{e}p\'ankov\'a, Daniel Zeman, Jan Haji\v{c}, Jan \v{S}t\v{e}p\'anek, Marie Mikulov\'a, Milan Straka

arxiv:2606.24337 v1 · 2026-06-23 · 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{WJKYGSHGIHBXFIUVX37XBR6XKL}

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	2026-06-24T01:15:27.510481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2558348e641c372a295beff70c7d752c8e859a7b308d0b71974484a37965283

Aliases

arxiv: 2606.24337 · arxiv_version: 2606.24337v1 · doi: 10.48550/arxiv.2606.24337 · pith_short_12: WJKYGSHGIHBX · pith_short_16: WJKYGSHGIHBXFIUV · pith_short_8: WJKYGSHG

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/WJKYGSHGIHBXFIUVX37XBR6XKL \
  | 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: b2558348e641c372a295beff70c7d752c8e859a7b308d0b71974484a37965283

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "411208fdf74bc0c5bfbf5b5ccf6fbb5e4c05c37bbba9b4f9d862cfa872b0af6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-23T09:22:42Z",
    "title_canon_sha256": "2ef6b47e95d608901c80b0f30bd365571c52208fd06be69ada898536fa2e04a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24337",
    "kind": "arxiv",
    "version": 1
  }
}