Pith Number

pith:MFPG4X5D

pith:2017:MFPG4X5DMIZFHDE3N2GQ3RRY63

not attested not anchored not stored refs pending

Combining Generative and Discriminative Approaches to Unsupervised Dependency Parsing via Dual Decomposition

Kewei Tu, Wenjuan Han, Yong Jiang

arxiv:1708.00790 v2 · 2017-08-02 · 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{MFPG4X5DMIZFHDE3N2GQ3RRY63}

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	2026-05-18T00:34:28.911296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

615e6e5fa36232538c9b6e8d0dc638f6d0c16f534cd4ac1dfaf270dcbc295b1a

Aliases

arxiv: 1708.00790 · arxiv_version: 1708.00790v2 · doi: 10.48550/arxiv.1708.00790 · pith_short_12: MFPG4X5DMIZF · pith_short_16: MFPG4X5DMIZFHDE3 · pith_short_8: MFPG4X5D

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/MFPG4X5DMIZFHDE3N2GQ3RRY63 \
  | 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: 615e6e5fa36232538c9b6e8d0dc638f6d0c16f534cd4ac1dfaf270dcbc295b1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f12c76a45f03410d78d944f2a0a639a8e6d952043b8fdd5f22272f2bb936006",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-08-02T15:10:28Z",
    "title_canon_sha256": "0c9b674da593fdeff3a1c324dadbe73b198b69987d91632cc00ddeb0e6719b47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00790",
    "kind": "arxiv",
    "version": 2
  }
}