Pith Number

pith:A6ECMVSP

pith:2018:A6ECMVSPYZHW5RDESLPS3UI5UK

not attested not anchored not stored refs pending

Straight to the Tree: Constituency Parsing with Neural Syntactic Distance

Aaron Courville, Alessandro Sordoni, Athul Paul Jacob, Yikang Shen, Yoshua Bengio, Zhouhan Lin

arxiv:1806.04168 v1 · 2018-06-11 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6ECMVSPYZHW5RDESLPS3UI5UK}

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	2026-05-18T00:13:36.418519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

078826564fc64f6ec46492df2dd11da295727c330b6f67c12b5907f90a3765a9

Aliases

arxiv: 1806.04168 · arxiv_version: 1806.04168v1 · doi: 10.48550/arxiv.1806.04168 · pith_short_12: A6ECMVSPYZHW · pith_short_16: A6ECMVSPYZHW5RDE · pith_short_8: A6ECMVSP

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/A6ECMVSPYZHW5RDESLPS3UI5UK \
  | 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: 078826564fc64f6ec46492df2dd11da295727c330b6f67c12b5907f90a3765a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e7b799f7213f2763c6319a9454056165b8a75e9b39efa2ad3ca08ed11e41ec6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-06-11T18:18:00Z",
    "title_canon_sha256": "a813eab12a754ea8affd8a87683b6f39d08f9521e0954fad5808d4642add1c6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04168",
    "kind": "arxiv",
    "version": 1
  }
}