Pith Number

pith:YM3BIVSJ

pith:2019:YM3BIVSJS2OYYQGUD73HA5PX2X

not attested not anchored not stored refs pending

Unlexicalized Transition-based Discontinuous Constituency Parsing

Beno\^it Crabb\'e, Maximin Coavoux, Shay B. Cohen

arxiv:1902.08912 v1 · 2019-02-24 · 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{YM3BIVSJS2OYYQGUD73HA5PX2X}

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	2026-05-17T23:52:49.459336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c336145649969d8c40d41ff67075f7d5ece7aca9ab421090c9c085ba20d54a61

Aliases

arxiv: 1902.08912 · arxiv_version: 1902.08912v1 · doi: 10.48550/arxiv.1902.08912 · pith_short_12: YM3BIVSJS2OY · pith_short_16: YM3BIVSJS2OYYQGU · pith_short_8: YM3BIVSJ

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/YM3BIVSJS2OYYQGUD73HA5PX2X \
  | 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: c336145649969d8c40d41ff67075f7d5ece7aca9ab421090c9c085ba20d54a61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e33854699ee2c87be85c6c5cc9877edf1d69bb72edf847715ea83d97ad3c075",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-02-24T09:59:33Z",
    "title_canon_sha256": "6fa4c5e9d06c6a7372ea58de7e686fdd23649466851374c26a91413977fb2ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08912",
    "kind": "arxiv",
    "version": 1
  }
}