Pith Number

pith:U37PKMTP

pith:2026:U37PKMTP3YRYGYOYWJXIJD3XYK

not attested not anchored not stored refs pending

DomainPilot: Domain-Level Loss-Guided Two-Stage Data Mixture Optimization for Efficient Language Model Fine-Tuning

He Zhang

arxiv:2607.22769 v1 · 2026-07-24 · cs.LG · 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{U37PKMTP3YRYGYOYWJXIJD3XYK}

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	2026-07-28T00:21:53.440102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6fef5326fde238361d8b26e848f77c2be8ad650f6fb962893c017d9558fc5b1

Aliases

arxiv: 2607.22769 · arxiv_version: 2607.22769v1 · doi: 10.48550/arxiv.2607.22769 · pith_short_12: U37PKMTP3YRY · pith_short_16: U37PKMTP3YRYGYOY · pith_short_8: U37PKMTP

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/U37PKMTP3YRYGYOYWJXIJD3XYK \
  | 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: a6fef5326fde238361d8b26e848f77c2be8ad650f6fb962893c017d9558fc5b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "056a4dbc0c63fd648fe77b68342ba0f1c1b18ae15bef87928f05992ec048d57a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-24T03:54:58Z",
    "title_canon_sha256": "60766570892eba5bb490a9e1569100798a3fea5f8bdf8ed63d85e15200f7ea9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22769",
    "kind": "arxiv",
    "version": 1
  }
}