Pith Number

pith:QQPP63TU

pith:2025:QQPP63TUSEPGWL725UI3JAPSZM

not attested not anchored not stored refs pending

How Instruction-Tuning Imparts Length Control: A Cross-Lingual Mechanistic Analysis

Alfio Ferrara, Elisabetta Rocchetti

arxiv:2509.02075 v1 · 2025-09-02 · 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{QQPP63TUSEPGWL725UI3JAPSZM}

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	2026-07-05T12:03:14.213352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

841eff6e74911e6b2ffaed11b481f2cb1cb131d6fc40602918569181c219ad95

Aliases

arxiv: 2509.02075 · arxiv_version: 2509.02075v1 · doi: 10.48550/arxiv.2509.02075 · pith_short_12: QQPP63TUSEPG · pith_short_16: QQPP63TUSEPGWL72 · pith_short_8: QQPP63TU

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/QQPP63TUSEPGWL725UI3JAPSZM \
  | 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: 841eff6e74911e6b2ffaed11b481f2cb1cb131d6fc40602918569181c219ad95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d108ce91dc1662fca55975d1dfd8f0e8a2a625400bcb432c02aa09230c4528a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-02T08:26:18Z",
    "title_canon_sha256": "798223289b95d833130e88c0cc607e04b4852f85006636d06326e3ea2a1197d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02075",
    "kind": "arxiv",
    "version": 1
  }
}