Pith Number

pith:ED43F72D

pith:2026:ED43F72DRSDW42SBTSIXDFMK7C

not attested not anchored not stored refs pending

Skill or Skip? Learning Selective Skill Invocation in Agentic Tasks via Dual-Granularity Preference Learning

Chishui Chen, Cong Qin, Jiaye Lin, Junxi Wang, Ke Zeng, Lu Pan, Te Sun, Yangen Hu, Yi Yang

arxiv:2606.00510 v1 · 2026-05-30 · cs.CL · 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{ED43F72DRSDW42SBTSIXDFMK7C}

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	2026-06-02T01:03:56.880542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20f9b2ff438c876e6a419c9171958af8b8e36e9eb11452036f52ed255daa1050

Aliases

arxiv: 2606.00510 · arxiv_version: 2606.00510v1 · doi: 10.48550/arxiv.2606.00510 · pith_short_12: ED43F72DRSDW · pith_short_16: ED43F72DRSDW42SB · pith_short_8: ED43F72D

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/ED43F72DRSDW42SBTSIXDFMK7C \
  | 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: 20f9b2ff438c876e6a419c9171958af8b8e36e9eb11452036f52ed255daa1050

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf6e26807139b6af6a1354753c27c2e4cefe1d222786e94c3b4b6947835e526d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-30T04:00:23Z",
    "title_canon_sha256": "2dd7892a8a99556fe3164a8123ceeaafae580b047daf8db5bda7e3b7c3b1d27d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00510",
    "kind": "arxiv",
    "version": 1
  }
}