Pith Number

pith:D3LD2W5B

pith:2026:D3LD2W5BEPCL6I6SAQ3WUUTNPF

not attested not anchored not stored refs pending

SkillOpt-Lite: Better and Faster Agent Self-evolution via One Line of Vibe

Bo Li, Xinjie Zhang, Yifei Shen

arxiv:2607.03451 v1 · 2026-07-03 · cs.SE · cs.AI · 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{D3LD2W5BEPCL6I6SAQ3WUUTNPF}

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	2026-07-07T02:17:47.366097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ed63d5ba123c4bf23d204376a526d7970cb2473ca179823aaa540ea28228649

Aliases

arxiv: 2607.03451 · arxiv_version: 2607.03451v1 · doi: 10.48550/arxiv.2607.03451 · pith_short_12: D3LD2W5BEPCL · pith_short_16: D3LD2W5BEPCL6I6S · pith_short_8: D3LD2W5B

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/D3LD2W5BEPCL6I6SAQ3WUUTNPF \
  | 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: 1ed63d5ba123c4bf23d204376a526d7970cb2473ca179823aaa540ea28228649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0280d98011fa843c96bbd44c81dd09ad9f229cdd2ccaad8d082b39ffb6d6e2e3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-03T16:07:06Z",
    "title_canon_sha256": "80d05ef076fa048319ddb470dd5f7e85afb1d4c942f04254d487651497ba3a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03451",
    "kind": "arxiv",
    "version": 1
  }
}