Pith Number

pith:WLJFF332

pith:2026:WLJFF332MXOE7OH4RKYWATCMEV

not attested not anchored not stored refs pending

Human Label Variation as Stable Signal: Learning Annotator-Specific Explanation Behavior via Cross-Annotator Preference Optimization

Anna Korhonen, Barbara Plank, Beiduo Chen, Benjamin Roth, Pingjun Hong, Ziyun Zhang

arxiv:2605.28802 v1 · 2026-05-27 · 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{WLJFF332MXOE7OH4RKYWATCMEV}

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	2026-05-28T02:05:04.018104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d252ef7a65dc4fb8fc8ab1604c4c2540168880a9b10da990264182502e52c1

Aliases

arxiv: 2605.28802 · arxiv_version: 2605.28802v1 · doi: 10.48550/arxiv.2605.28802 · pith_short_12: WLJFF332MXOE · pith_short_16: WLJFF332MXOE7OH4 · pith_short_8: WLJFF332

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/WLJFF332MXOE7OH4RKYWATCMEV \
  | 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: b2d252ef7a65dc4fb8fc8ab1604c4c2540168880a9b10da990264182502e52c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87df481e3261d70281ce633d3c4e9e04e9b68c73f2a2887deb70b339e86f95e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-27T17:55:00Z",
    "title_canon_sha256": "b331d85cb1558bbff3b0fa71d4ac196f9d87d401c0bbda3a66b752508803f5d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28802",
    "kind": "arxiv",
    "version": 1
  }
}