Pith Number

pith:SYWY57NQ

pith:2026:SYWY57NQM2PD5ROUEFVXPFRI4U

not attested not anchored not stored refs pending

FeedEval: Pedagogically Aligned Evaluation of LLM-Generated Essay Feedback

Jongwoo Kim, Munyong Yi, Seongyeub Chu

arxiv:2601.04574 v2 · 2026-01-08 · 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{SYWY57NQM2PD5ROUEFVXPFRI4U}

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	2026-06-19T16:09:53.614207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

962d8efdb0669e3ec5d4216b779628e50305dfdf1af20c5febe201ded27e5adb

Aliases

arxiv: 2601.04574 · arxiv_version: 2601.04574v2 · doi: 10.48550/arxiv.2601.04574 · pith_short_12: SYWY57NQM2PD · pith_short_16: SYWY57NQM2PD5ROU · pith_short_8: SYWY57NQ

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/SYWY57NQM2PD5ROUEFVXPFRI4U \
  | 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: 962d8efdb0669e3ec5d4216b779628e50305dfdf1af20c5febe201ded27e5adb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e17b72417136a8af4b00814152ee26da1e5a23f60d06bf1e86fcc5dfcbda401",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-01-08T04:04:29Z",
    "title_canon_sha256": "30e49c873fa8f33cf0b4a7ee7e47b1dc6c1d920a0e9ca346b392b482ef35d43d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.04574",
    "kind": "arxiv",
    "version": 2
  }
}