Pith Number

pith:SBOZ2X7O

pith:2017:SBOZ2X7OVVIKRXV7VDS3IRF64P

not attested not anchored not stored refs pending

W2VLDA: Almost Unsupervised System for Aspect Based Sentiment Analysis

Aitor Garc\'ia-Pablos, German Rigau, Montse Cuadros

arxiv:1705.07687 v2 · 2017-05-22 · 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{SBOZ2X7OVVIKRXV7VDS3IRF64P}

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	2026-05-18T00:40:03.462761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

905d9d5feead50a8debfa8e5b444bee3eec030708eaf71dd822fff383d788841

Aliases

arxiv: 1705.07687 · arxiv_version: 1705.07687v2 · doi: 10.48550/arxiv.1705.07687 · pith_short_12: SBOZ2X7OVVIK · pith_short_16: SBOZ2X7OVVIKRXV7 · pith_short_8: SBOZ2X7O

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/SBOZ2X7OVVIKRXV7VDS3IRF64P \
  | 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: 905d9d5feead50a8debfa8e5b444bee3eec030708eaf71dd822fff383d788841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1645ac84d724bf9b71e146caf5dd3d45d079b5f36239f0afda69628af190ab02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-05-22T12:01:10Z",
    "title_canon_sha256": "aef95c3b32a2d12a87554b8ca828d46bd755e9e8a1f917646d6b769d9c870295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07687",
    "kind": "arxiv",
    "version": 2
  }
}