Pith Number

pith:Z2UOLCYY

pith:2026:Z2UOLCYY45WZG5NV4KAOQW2GM7

not attested not anchored not stored refs pending

Data Quality over Capacity: Internalizing Documents into LoRA Adapters for Closed-Book QA

Joan Figuerola Hurtado

arxiv:2607.21861 v1 · 2026-07-23 · 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{Z2UOLCYY45WZG5NV4KAOQW2GM7}

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	2026-07-27T00:20:24.821570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cea8e58b18e76d9375b5e280e85b4667fe873c53c60b76a6906d722487e6e758

Aliases

arxiv: 2607.21861 · arxiv_version: 2607.21861v1 · doi: 10.48550/arxiv.2607.21861 · pith_short_12: Z2UOLCYY45WZ · pith_short_16: Z2UOLCYY45WZG5NV · pith_short_8: Z2UOLCYY

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/Z2UOLCYY45WZG5NV4KAOQW2GM7 \
  | 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: cea8e58b18e76d9375b5e280e85b4667fe873c53c60b76a6906d722487e6e758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c28c1d18d41c53fd11ea3a2f8784fa3d9d9b8bac971738829fbfe089c076d292",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-23T23:14:59Z",
    "title_canon_sha256": "5a5157e19a1127c2ba9a513a9763b6085624b2fd82db36cb334bf24dee95245d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21861",
    "kind": "arxiv",
    "version": 1
  }
}