Pith Number

pith:DKPWFCUN

pith:2019:DKPWFCUNO4LO463TDHUFIU5UEO

not attested not anchored not stored refs pending

LTG-Oslo Hierarchical Multi-task Network: The importance of negation for document-level sentiment in Spanish

Jeremy Barnes

arxiv:1906.07599 v1 · 2019-06-18 · 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{DKPWFCUNO4LO463TDHUFIU5UEO}

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	2026-05-17T23:43:07.366480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9f628a8d7716ee7b7319e85453b423986f251b6f88d4a12e968caa6e22abfa

Aliases

arxiv: 1906.07599 · arxiv_version: 1906.07599v1 · doi: 10.48550/arxiv.1906.07599 · pith_short_12: DKPWFCUNO4LO · pith_short_16: DKPWFCUNO4LO463T · pith_short_8: DKPWFCUN

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/DKPWFCUNO4LO463TDHUFIU5UEO \
  | 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: 1a9f628a8d7716ee7b7319e85453b423986f251b6f88d4a12e968caa6e22abfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9f3390ef0dcc5c6a6ef409cda24ddab968df9b75ebe336d026ea3427258b864",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-06-18T14:18:31Z",
    "title_canon_sha256": "8eae0855845f50303d89afa99ee01790e388082ad0483d5614d74d75ef2541ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07599",
    "kind": "arxiv",
    "version": 1
  }
}