Pith Number

pith:YGOUAG5C

pith:2026:YGOUAG5CYES4UMSCT67FCTUIQN

not attested not anchored not stored refs pending

Polar: A Benchmark for Evaluating Political Bias in LLMs

Heejin Kim, Hyunggeun Jeon, Jaejin Lee, Sangho Kim, Yoonhee Park

arxiv:2606.12922 v1 · 2026-06-11 · cs.CL · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGOUAG5CYES4UMSCT67FCTUIQN}

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	2026-06-12T01:09:34.501425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19d401ba2c125ca32429fbe514e8883430ae2480eb0551026f31aa60da521a2

Aliases

arxiv: 2606.12922 · arxiv_version: 2606.12922v1 · doi: 10.48550/arxiv.2606.12922 · pith_short_12: YGOUAG5CYES4 · pith_short_16: YGOUAG5CYES4UMSC · pith_short_8: YGOUAG5C

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/YGOUAG5CYES4UMSCT67FCTUIQN \
  | 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: c19d401ba2c125ca32429fbe514e8883430ae2480eb0551026f31aa60da521a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "335bd7af1ca053d4e1219c7139d3888cb5ebaf265b8c2ca0fe363ca9ebe4443e",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-11T05:26:28Z",
    "title_canon_sha256": "f902648b61a70dd41c431a0d5fa8c93a944ff5f01f10979c83cefe490e9de847"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12922",
    "kind": "arxiv",
    "version": 1
  }
}