Pith Number

pith:AI5YBMQ6

pith:2026:AI5YBMQ6JWRWEP75XLPQ7PGUD3

not attested not anchored not stored refs pending

Rethinking LLM-Judged Helpfulness as a Pedagogy Signal: A Pre-Registered Audit Across Tutor Models

Boyuan Deng, Chongyang Gao, Hongyang Zhang, Jiale Liu, Mengyu Xu, Qiaoxin Yang, Shuyi Fan

arxiv:2607.28128 v1 · 2026-07-30 · cs.CL · cs.AI · 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{AI5YBMQ6JWRWEP75XLPQ7PGUD3}

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	2026-07-31T01:35:49.885656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

023b80b21e4da3623ffdbadf0fbcd41edbd8dc173130165ed7fc99dc850745cc

Aliases

arxiv: 2607.28128 · arxiv_version: 2607.28128v1 · doi: 10.48550/arxiv.2607.28128 · pith_short_12: AI5YBMQ6JWRW · pith_short_16: AI5YBMQ6JWRWEP75 · pith_short_8: AI5YBMQ6

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/AI5YBMQ6JWRWEP75XLPQ7PGUD3 \
  | 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: 023b80b21e4da3623ffdbadf0fbcd41edbd8dc173130165ed7fc99dc850745cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95b843720106282c13a88fdc2b856431cc93d1c68e475a18c3fd41723e184e85",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-30T12:37:28Z",
    "title_canon_sha256": "7de2fdc5c1c85ffe077110b793ca8e63e8f8c81b164db128ddbec1d6a387b4ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28128",
    "kind": "arxiv",
    "version": 1
  }
}