Pith Number

pith:WTCL3SM7

pith:2025:WTCL3SM7WNPHXBVKBXG7D6LTOI

not attested not anchored not stored refs pending

Efficient Skill Discovery via Regret-Aware Optimization

He Zhang, Hui Xiong, Ming Zhou, Shaopeng Zhai, Ying Sun

arxiv:2506.21044 v1 · 2025-06-26 · 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{WTCL3SM7WNPHXBVKBXG7D6LTOI}

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	2026-07-05T11:27:38.644241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4c4bdc99fb35e7b86aa0dcdf1f9737206728ca78951baaf0cc93f47526b07df

Aliases

arxiv: 2506.21044 · arxiv_version: 2506.21044v1 · doi: 10.48550/arxiv.2506.21044 · pith_short_12: WTCL3SM7WNPH · pith_short_16: WTCL3SM7WNPHXBVK · pith_short_8: WTCL3SM7

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/WTCL3SM7WNPHXBVKBXG7D6LTOI \
  | 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: b4c4bdc99fb35e7b86aa0dcdf1f9737206728ca78951baaf0cc93f47526b07df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3741f3b8b4a1f0da67e86f843efd5ef7ebed3bbdcfb994620b4260ba8df11cda",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-26T06:45:59Z",
    "title_canon_sha256": "5a1c06b6dd28c5fccf8d0b47555c09e8f322ffb637f52fb998a3263c6264e61b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21044",
    "kind": "arxiv",
    "version": 1
  }
}