Pith Number

pith:L4MWM4EA

pith:2026:L4MWM4EANSVTOFJZOKGPJ64SFF

not attested not anchored not stored refs pending

TTHE: Test-Time Harness Evolution

Bo Han, Dahai Yu, Jun Nie, Jun Song, Qianshu Cai, Xinmei Tian, Yike Guo, Yonggang Zhang

arxiv:2607.08124 v1 · 2026-07-09 · cs.SE · 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{L4MWM4EANSVTOFJZOKGPJ64SFF}

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	2026-07-10T01:19:27.328186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f196670806cab371539728cf4fb92294d55bedfbcd975112ec5a4e0bce3ec1f

Aliases

arxiv: 2607.08124 · arxiv_version: 2607.08124v1 · doi: 10.48550/arxiv.2607.08124 · pith_short_12: L4MWM4EANSVT · pith_short_16: L4MWM4EANSVTOFJZ · pith_short_8: L4MWM4EA

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/L4MWM4EANSVTOFJZOKGPJ64SFF \
  | 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: 5f196670806cab371539728cf4fb92294d55bedfbcd975112ec5a4e0bce3ec1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f851ade397cf828e16256bfc4e66fdd6e0df9e41db7c6406ce484f8820a19ee",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-09T05:53:39Z",
    "title_canon_sha256": "5c07bfc9375a4189f858c406e0bdd391fb53310cba3095d5b9abff9962cb7a70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08124",
    "kind": "arxiv",
    "version": 1
  }
}