Pith Number

pith:NB6L5ZT3

pith:2026:NB6L5ZT3BCPHX6B4HTKDJTPJVL

not attested not anchored not stored refs pending

Learn from Weaknesses: Automated Domain Specialization for Small Computer-Use Agents

Kangsan Kim, Suji Kim, Sung Ju Hwang

arxiv:2605.28775 v1 · 2026-05-27 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NB6L5ZT3BCPHX6B4HTKDJTPJVL}

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	2026-05-28T02:05:02.736888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

687cbee67b089e7bf83c3cd434cde9aad62d5f00390da6c691a3a5dedbf80ab9

Aliases

arxiv: 2605.28775 · arxiv_version: 2605.28775v1 · doi: 10.48550/arxiv.2605.28775 · pith_short_12: NB6L5ZT3BCPH · pith_short_16: NB6L5ZT3BCPHX6B4 · pith_short_8: NB6L5ZT3

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/NB6L5ZT3BCPHX6B4HTKDJTPJVL \
  | 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: 687cbee67b089e7bf83c3cd434cde9aad62d5f00390da6c691a3a5dedbf80ab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10ef0cf766bd61772b61542088988637cad44501c837aa06504ff643b5611e01",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T17:37:00Z",
    "title_canon_sha256": "8b9597a76a8bf9267d5f5b7cab0b82061009ce240136dcf26924e4431d2897b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28775",
    "kind": "arxiv",
    "version": 1
  }
}