Pith Number

pith:CK7EJ637

pith:2017:CK7EJ637A7UTGVMHY6PKUIWGN2

not attested not anchored not stored refs pending

Neural Probabilistic Model for Non-projective MST Parsing

Eduard Hovy, Xuezhe Ma

arxiv:1701.00874 v4 · 2017-01-04 · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CK7EJ637A7UTGVMHY6PKUIWGN2}

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	2026-05-18T00:36:09.306061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12be44fb7f07e9335587c79eaa22c66eb93060f2fbcfe61c3f5b8b9814b77ecb

Aliases

arxiv: 1701.00874 · arxiv_version: 1701.00874v4 · doi: 10.48550/arxiv.1701.00874 · pith_short_12: CK7EJ637A7UT · pith_short_16: CK7EJ637A7UTGVMH · pith_short_8: CK7EJ637

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/CK7EJ637A7UTGVMHY6PKUIWGN2 \
  | 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: 12be44fb7f07e9335587c79eaa22c66eb93060f2fbcfe61c3f5b8b9814b77ecb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e82655faf338c08114c296817c5dd3f7d88a8601e6248e66ea92ff12c06df293",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-01-04T00:10:17Z",
    "title_canon_sha256": "c6cd243ff65b387a36dd8ddb6034e0adf4b19dee02dab58e0c205169f32fa466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00874",
    "kind": "arxiv",
    "version": 4
  }
}