Pith Number

pith:3NKQLP3M

pith:2015:3NKQLP3MOMDM7EJOJ4FSNSJIQJ

not attested not anchored not stored refs pending

Structured Training for Neural Network Transition-Based Parsing

Chris Alberti, David Weiss, Michael Collins, Slav Petrov

arxiv:1506.06158 v1 · 2015-06-19 · 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{3NKQLP3MOMDM7EJOJ4FSNSJIQJ}

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	2026-05-18T01:41:58.604890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db5505bf6c7306cf912e4f0b26c92882406aae8315d54d4d9c247350a7b2013f

Aliases

arxiv: 1506.06158 · arxiv_version: 1506.06158v1 · doi: 10.48550/arxiv.1506.06158 · pith_short_12: 3NKQLP3MOMDM · pith_short_16: 3NKQLP3MOMDM7EJO · pith_short_8: 3NKQLP3M

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/3NKQLP3MOMDM7EJOJ4FSNSJIQJ \
  | 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: db5505bf6c7306cf912e4f0b26c92882406aae8315d54d4d9c247350a7b2013f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d43e96b2ca8e00835720af5f5e6d3e82614eaf4caa0785c637bc69072a455fe4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-06-19T21:05:01Z",
    "title_canon_sha256": "41b1eb6ba7094e0f71018e6c8cc5cdf162493ec2b93410840119f3b8dbe8eca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06158",
    "kind": "arxiv",
    "version": 1
  }
}