Pith Number

pith:75QJ73FW

pith:2025:75QJ73FWS4DEGRKRDG5DHRC2HZ

not attested not anchored not stored refs pending

LLM Data Selection and Utilization via Dynamic Bi-level Optimization

Dacheng Tao, Hang Zhou, Kai Han, Kaiqi Huang, Yang Yu, Yehui Tang, Yunhe Wang

arxiv:2507.16178 v1 · 2025-07-22 · 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{75QJ73FWS4DEGRKRDG5DHRC2HZ}

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	2026-07-05T11:41:04.638308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff609fecb6970643455119ba33c45a3e73cbeca486e143080415ee5959859bfa

Aliases

arxiv: 2507.16178 · arxiv_version: 2507.16178v1 · doi: 10.48550/arxiv.2507.16178 · pith_short_12: 75QJ73FWS4DE · pith_short_16: 75QJ73FWS4DEGRKR · pith_short_8: 75QJ73FW

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/75QJ73FWS4DEGRKRDG5DHRC2HZ \
  | 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: ff609fecb6970643455119ba33c45a3e73cbeca486e143080415ee5959859bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e57384890bf26edf728fdd6f210015b7e3a9fd6f1bdbcf81bb14e00eee9e588d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-22T02:47:12Z",
    "title_canon_sha256": "e7653280f85ceae24765501a4f1edc8c498b7f091ff51e68b151d2d195732fb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.16178",
    "kind": "arxiv",
    "version": 1
  }
}