Pith Number

pith:WKSLFV5I

pith:2020:WKSLFV5IWWTELJ6KDLD3PJLKQT

not attested not anchored not stored refs pending

Improving BERT Performance for Aspect-Based Sentiment Analysis

Akbar Karimi, Andrea Prati, Leonardo Rossi

arxiv:2010.11731 v2 · 2020-10-22 · cs.CL · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKSLFV5IWWTELJ6KDLD3PJLKQT}

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	2026-07-05T02:18:56.914145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2a4b2d7a8b5a645a7ca1ac7b7a56a84e690805a7d7da47dc2271b6854d48a3c

Aliases

arxiv: 2010.11731 · arxiv_version: 2010.11731v2 · doi: 10.48550/arxiv.2010.11731 · pith_short_12: WKSLFV5IWWTE · pith_short_16: WKSLFV5IWWTELJ6K · pith_short_8: WKSLFV5I

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/WKSLFV5IWWTELJ6KDLD3PJLKQT \
  | 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: b2a4b2d7a8b5a645a7ca1ac7b7a56a84e690805a7d7da47dc2271b6854d48a3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b975f8b5bf5044ad5af25e3b7852f67eeeb0f5cdb7a94a76dc2a7f6f76db219",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-10-22T13:52:18Z",
    "title_canon_sha256": "f23f2ea72731b2c9d14fb7c223c5f2cbea140f5f80fd9d6efbdfb3d55f3e0a18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.11731",
    "kind": "arxiv",
    "version": 2
  }
}