Pith Number

pith:MUPZHHOX

pith:2026:MUPZHHOXIGKJEHIIMGWCHBE2TM

not attested not anchored not stored refs pending

Confirming Correct, Missing the Rest: LLM Tutoring Agents Struggle Where Feedback Matters Most

Sam Gilson, Sutapa Dey Tithi, Tahreem Yasir, Tiffany Barnes, Wenbo Li, Xiaoyi Tian

arxiv:2605.16207 v1 · 2026-05-15 · cs.AI · 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{MUPZHHOXIGKJEHIIMGWCHBE2TM}

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	2026-05-20T00:01:58.069897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

651f939dd74194921d0861ac23849a9b1476376e934b030620b1c3520139aaf3

Aliases

arxiv: 2605.16207 · arxiv_version: 2605.16207v1 · doi: 10.48550/arxiv.2605.16207 · pith_short_12: MUPZHHOXIGKJ · pith_short_16: MUPZHHOXIGKJEHII · pith_short_8: MUPZHHOX

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/MUPZHHOXIGKJEHIIMGWCHBE2TM \
  | 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: 651f939dd74194921d0861ac23849a9b1476376e934b030620b1c3520139aaf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebab76c98d13889dec3c7eadad3ad9327cda6fce3c0b07ee342c09c1409223a8",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-15T17:24:42Z",
    "title_canon_sha256": "60397d4f2d71777c302abf5b9a2184863bc9e0bf5f15df4e25520068c822aa27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16207",
    "kind": "arxiv",
    "version": 1
  }
}