Pith Number

pith:BT2ZM5SW

pith:2025:BT2ZM5SWQQ2NGDOAPPNMP562TS

not attested not anchored not stored refs pending

Ace-CEFR -- A Dataset for Automated Evaluation of the Linguistic Difficulty of Conversational Texts for LLM Applications

Chloe Sophia Bellows, David Kogan, Jared Bernstein, Masanori Suzuki, Max Schumacher, Melissa Smith, Sam Nguyen

arxiv:2506.14046 v1 · 2025-06-16 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BT2ZM5SWQQ2NGDOAPPNMP562TS}

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.

Cited by

1 paper in Pith

Glite ARF: Verifier-Driven Research with Parallel LLM Coding Agents

Receipt and verification

First computed	2026-07-05T11:22:48.099094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cf59676568434d30dc07bdac7f7da9cbbc5a1e613dc12ff10d2b3e8cd35b723

Aliases

arxiv: 2506.14046 · arxiv_version: 2506.14046v1 · doi: 10.48550/arxiv.2506.14046 · pith_short_12: BT2ZM5SWQQ2N · pith_short_16: BT2ZM5SWQQ2NGDOA · pith_short_8: BT2ZM5SW

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/BT2ZM5SWQQ2NGDOAPPNMP562TS \
  | 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: 0cf59676568434d30dc07bdac7f7da9cbbc5a1e613dc12ff10d2b3e8cd35b723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "793d9deb781b1876f9aad5fbf80b01dc9cb7af9b6668731dec5a3734e4116205",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-06-16T22:40:16Z",
    "title_canon_sha256": "d18b8ca6d5ee280660a11ce93d4c6b738288d7ac90b1f4e1afbd5a9f156ef432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.14046",
    "kind": "arxiv",
    "version": 1
  }
}