Pith Number

pith:OQWV7AN4

pith:2025:OQWV7AN4RFWVXAZEVYU4L4U6WC

not attested not anchored not stored refs pending

Iterative Feature Space Optimization through Incremental Adaptive Evaluation

Dongjie Wang, Kunpeng Liu, Xiao Luo, Yanjie Fu, Yanping Wu, Yanyong Huang, Zhengzhang Chen, Zijun Yao

arxiv:2501.14889 v2 · 2025-01-24 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQWV7AN4RFWVXAZEVYU4L4U6WC}

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	2026-05-26T02:03:48.294959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

742d5f81bc896d5b8324ae29c5f29eb08822872bb7dee8736764422201eaa38b

Aliases

arxiv: 2501.14889 · arxiv_version: 2501.14889v2 · doi: 10.48550/arxiv.2501.14889 · pith_short_12: OQWV7AN4RFWV · pith_short_16: OQWV7AN4RFWVXAZE · pith_short_8: OQWV7AN4

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/OQWV7AN4RFWVXAZEVYU4L4U6WC \
  | 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: 742d5f81bc896d5b8324ae29c5f29eb08822872bb7dee8736764422201eaa38b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae0bfbc2d0d808b9fa9c029950273ac0dc51821e5967f7f4acabca3499b55215",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-24T19:24:20Z",
    "title_canon_sha256": "88fddd38bfab9dbbd87d1f1fcc72539a3301d3807efcc137267121b3ef49ae76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.14889",
    "kind": "arxiv",
    "version": 2
  }
}