Pith Number

pith:GLLQYJOQ

pith:2017:GLLQYJOQJ3ZQA3HCFI3ODLS33W

not attested not anchored not stored refs pending

A Minimal Span-Based Neural Constituency Parser

Dan Klein, Jacob Andreas, Mitchell Stern

arxiv:1705.03919 v1 · 2017-05-10 · 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{GLLQYJOQJ3ZQA3HCFI3ODLS33W}

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	2026-05-18T00:44:41.831066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32d70c25d04ef3006ce22a36e1ae5bdd90ff42dd50c0129f8931f258ebaa897d

Aliases

arxiv: 1705.03919 · arxiv_version: 1705.03919v1 · doi: 10.48550/arxiv.1705.03919 · pith_short_12: GLLQYJOQJ3ZQ · pith_short_16: GLLQYJOQJ3ZQA3HC · pith_short_8: GLLQYJOQ

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/GLLQYJOQJ3ZQA3HCFI3ODLS33W \
  | 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: 32d70c25d04ef3006ce22a36e1ae5bdd90ff42dd50c0129f8931f258ebaa897d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1f97e25ce3fe54c50cdfdfdef8edfdee3dbc806cfda561cf7959237eb857658",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-05-10T18:44:15Z",
    "title_canon_sha256": "c788a2d65c283a4400aff71912c590b1dd029e4319984e18ea71f64d5d66bb00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03919",
    "kind": "arxiv",
    "version": 1
  }
}