Pith Number

pith:NU7HM3TM

pith:2026:NU7HM3TM5CSVZWTMUOBHPBB6TC

not attested not anchored not stored refs pending

The Scaffold Effect in Coding Agents: Harness Choice as a Hidden Variable in Coding-Agent Evaluation

Naman Vats, Oleg Golev

arxiv:2607.22585 v1 · 2026-06-08 · 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{NU7HM3TM5CSVZWTMUOBHPBB6TC}

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.

Cited by

1 paper in Pith

From Prompt to Harness: Coderlet from Scratch

Receipt and verification

First computed	2026-07-28T00:21:43.546823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d3e766e6ce8a55cda6ca38277843e98b968c0adc1c4d73cfc62f582b8ff1811

Aliases

arxiv: 2607.22585 · arxiv_version: 2607.22585v1 · doi: 10.48550/arxiv.2607.22585 · pith_short_12: NU7HM3TM5CSV · pith_short_16: NU7HM3TM5CSVZWTM · pith_short_8: NU7HM3TM

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/NU7HM3TM5CSVZWTMUOBHPBB6TC \
  | 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: 6d3e766e6ce8a55cda6ca38277843e98b968c0adc1c4d73cfc62f582b8ff1811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1734da34455b4976fcb4edac0224ca0a604d478412711ae2d062ade14a4eac9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-08T20:27:06Z",
    "title_canon_sha256": "eddb65842dcf31dfc5c64bd059f6ebf20141aadbe421b6a73c6540dfe98705e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22585",
    "kind": "arxiv",
    "version": 1
  }
}