Pith Number

pith:EJ5RKB2D

pith:2026:EJ5RKB2D3MU25ADK4NPVTEXCXM

not attested not anchored not stored refs pending

The Ghost Annotator: a Framework to Explore Human Label Variation in Content Moderation through Conformal Prediction

Alessandra Urbinati, Fabiana Vernero, Marco Antonio Stranisci, Mirko Lai, Simona Frenda

arxiv:2606.02911 v1 · 2026-06-01 · 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{EJ5RKB2D3MU25ADK4NPVTEXCXM}

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	2026-06-03T01:05:26.341949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227b150743db29ae806ae35f5992e2bb140cb31bad1c9193a7fe898694dd5c22

Aliases

arxiv: 2606.02911 · arxiv_version: 2606.02911v1 · doi: 10.48550/arxiv.2606.02911 · pith_short_12: EJ5RKB2D3MU2 · pith_short_16: EJ5RKB2D3MU25ADK · pith_short_8: EJ5RKB2D

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/EJ5RKB2D3MU25ADK4NPVTEXCXM \
  | 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: 227b150743db29ae806ae35f5992e2bb140cb31bad1c9193a7fe898694dd5c22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "411e096c7f15983b90d84917acf4cf8c163f6f08cb20764dd48b937aad18a23e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-01T21:32:37Z",
    "title_canon_sha256": "b2d8e806dae45c2e7bad0491f317f634c9b7c27c2c8e663ab7332f567028ddfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02911",
    "kind": "arxiv",
    "version": 1
  }
}