Pith Number

pith:DGT3FV2U

pith:2025:DGT3FV2UQ4TGDC7VCGSWMOEOCG

not attested not anchored not stored refs pending

Natural Language-based Assessment of L2 Oral Proficiency using LLMs

Kate Knill, Mark Gales, Mengjie Qian, Rao Ma, Siyuan Tang, Stefano Bann\`o

arxiv:2507.10200 v1 · 2025-07-14 · eess.AS · 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{DGT3FV2UQ4TGDC7VCGSWMOEOCG}

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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.

Cited by

1 paper in Pith

Natural Language-based Assessment of L2 Oral Proficiency using LLMs

Receipt and verification

First computed	2026-07-05T11:36:46.823382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19a7b2d7548726618bf511a566388e119b3626c1bc64c240640a931d37d283db

Aliases

arxiv: 2507.10200 · arxiv_version: 2507.10200v1 · doi: 10.48550/arxiv.2507.10200 · pith_short_12: DGT3FV2UQ4TG · pith_short_16: DGT3FV2UQ4TGDC7V · pith_short_8: DGT3FV2U

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/DGT3FV2UQ4TGDC7VCGSWMOEOCG \
  | 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: 19a7b2d7548726618bf511a566388e119b3626c1bc64c240640a931d37d283db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ecae2faed8a4a7be0db03d51cff0d74214ff6465452df430eaa4532e2b1641",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2025-07-14T12:13:50Z",
    "title_canon_sha256": "1cb0c0097e8793ff6426b81cbf6f070c3ad0a7c1163c7085616321919fd97610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.10200",
    "kind": "arxiv",
    "version": 1
  }
}