Pith Number

pith:P4EZHJKA

pith:2026:P4EZHJKAAAM3V7KL4FJR2JYGVI

not attested not anchored not stored refs pending

Building to the Test: Coding Agents Deliver What You Check, Not What You Requested

Ben Kereopa-Yorke, Ben Schultz, Yanuo Ma

arxiv:2606.28430 v1 · 2026-06-26 · cs.SE · 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{P4EZHJKAAAM3V7KL4FJR2JYGVI}

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	2026-06-30T00:15:13.841225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0993a5400019bafd4be1531d2706aa31d559b075496b3d91a60b905d30caa8

Aliases

arxiv: 2606.28430 · arxiv_version: 2606.28430v1 · doi: 10.48550/arxiv.2606.28430 · pith_short_12: P4EZHJKAAAM3 · pith_short_16: P4EZHJKAAAM3V7KL · pith_short_8: P4EZHJKA

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/P4EZHJKAAAM3V7KL4FJR2JYGVI \
  | 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: 7f0993a5400019bafd4be1531d2706aa31d559b075496b3d91a60b905d30caa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "386058d1a5efc2cc2e23274546bc85b081dd39d7aa3b6f8b8cc06751623bde67",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-26T01:23:27Z",
    "title_canon_sha256": "719101709903c77155bce21b43979db4d1e92209649e02bb6a6ccc8ccb1df1f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28430",
    "kind": "arxiv",
    "version": 1
  }
}