Pith Number

pith:IKCCCKVS

pith:2025:IKCCCKVS2CTHIIPJXZ6Y6KAD5N

not attested not anchored not stored refs pending

Skill Expansion and Composition in Parameter Space

Haoyi Niu, Jianxiong Li, Tenglong Liu, Xianyuan Zhan, Xin Xu, Yinan Zheng, Yixing Lan

arxiv:2502.05932 v2 · 2025-02-09 · cs.LG · cs.AI · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKCCCKVS2CTHIIPJXZ6Y6KAD5N}

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	2026-07-05T10:31:53.982838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4284212ab2d0a67421e9be7d8f2803eb6b0b2363552dacd7f8a1c5fa8da28297

Aliases

arxiv: 2502.05932 · arxiv_version: 2502.05932v2 · doi: 10.48550/arxiv.2502.05932 · pith_short_12: IKCCCKVS2CTH · pith_short_16: IKCCCKVS2CTHIIPJ · pith_short_8: IKCCCKVS

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/IKCCCKVS2CTHIIPJXZ6Y6KAD5N \
  | 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: 4284212ab2d0a67421e9be7d8f2803eb6b0b2363552dacd7f8a1c5fa8da28297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54ef8e5121343b964970e95ef967c8b38a1e7bfcba67d643778602a4368ad319",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-09T15:22:38Z",
    "title_canon_sha256": "9a9591ca4003c94578e1f23be2df10389c659757aad82fdc9905240655bec113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05932",
    "kind": "arxiv",
    "version": 2
  }
}