Pith Number

pith:R7WXNMDV

pith:2026:R7WXNMDV5NF2NRTIKA4IGFRC4N

not attested not anchored not stored refs pending

Automated Testing and Repair for Verified Compilers Generated by a Coding Agent

Martin Rinard

arxiv:2607.28928 v1 · 2026-07-31 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7WXNMDV5NF2NRTIKA4IGFRC4N}

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	2026-08-03T01:17:31.144233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fed76b075eb4ba6c6685038831622e35eb9430291d361256d8a6892a18d025f

Aliases

arxiv: 2607.28928 · arxiv_version: 2607.28928v1 · doi: 10.48550/arxiv.2607.28928 · pith_short_12: R7WXNMDV5NF2 · pith_short_16: R7WXNMDV5NF2NRTI · pith_short_8: R7WXNMDV

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/R7WXNMDV5NF2NRTIKA4IGFRC4N \
  | 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: 8fed76b075eb4ba6c6685038831622e35eb9430291d361256d8a6892a18d025f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5782c7e5666fcfc78c27fd8ca1a29f13a0b5d07c660c4c5e57239878af93de2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-31T01:04:24Z",
    "title_canon_sha256": "867d90ca079a4602c50126d557e291393816d3f9714ff611206d46e316022c6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28928",
    "kind": "arxiv",
    "version": 1
  }
}