Pith Number

pith:QFCLTIUX

pith:2026:QFCLTIUX77VTP3BDYHYKE6Q76K

not attested not anchored not stored refs pending

HarnessOpt-Bench: Evaluating LLMs at Harness Optimization

Apaar Shanker, Shehab Yasser, Varun Ursekar, Veronica Chatrath, Vijay S. Kalmath, Yash Maurya, Yuan Xue

arxiv:2608.06301 v1 · 2026-08-06 · cs.AI · cs.CL · 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{QFCLTIUX77VTP3BDYHYKE6Q76K}

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	2026-08-07T01:41:19.622012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8144b9a297ffeb37ec23c1f0a27a1ff2867f417e170018a008d3c16f4cd7abe8

Aliases

arxiv: 2608.06301 · arxiv_version: 2608.06301v1 · doi: 10.48550/arxiv.2608.06301 · pith_short_12: QFCLTIUX77VT · pith_short_16: QFCLTIUX77VTP3BD · pith_short_8: QFCLTIUX

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/QFCLTIUX77VTP3BDYHYKE6Q76K \
  | 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: 8144b9a297ffeb37ec23c1f0a27a1ff2867f417e170018a008d3c16f4cd7abe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e521610acc37fa404b34b509fc2d46a4e828948ce70d0316bd7e334943d2029",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-06T17:21:05Z",
    "title_canon_sha256": "1120a839c5d26efaf20b7f9d6e40b5edb1f399fbf8873087805ccb918d8daad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.06301",
    "kind": "arxiv",
    "version": 1
  }
}