Pith Number

pith:7JYPCWPB

pith:2026:7JYPCWPBARUEEFDPPVU3THQZY3

not attested not anchored not stored refs pending

SemaDiff: Identifying Semantic-Changing Commits with Generated Code and Tests

Ahmed Khanfir, Maha Ayub, Michael Konstantinou, Mike Papadakis, Nikolaos Tsantalis

arxiv:2607.13111 v1 · 2026-07-14 · 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{7JYPCWPBARUEEFDPPVU3THQZY3}

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	2026-07-16T00:21:57.629512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa70f159e1046842146f7d69b99e19c6d18dea5c41ddd22401325552326567b4

Aliases

arxiv: 2607.13111 · arxiv_version: 2607.13111v1 · doi: 10.48550/arxiv.2607.13111 · pith_short_12: 7JYPCWPBARUE · pith_short_16: 7JYPCWPBARUEEFDP · pith_short_8: 7JYPCWPB

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/7JYPCWPBARUEEFDPPVU3THQZY3 \
  | 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: fa70f159e1046842146f7d69b99e19c6d18dea5c41ddd22401325552326567b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e21357e4e9f743fafe07824f6b3af6377c29ad041763789306ffafbc06334d9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-14T12:23:22Z",
    "title_canon_sha256": "713e55930b37c6d5ff97f5387bc24b435789f18c5225acaf90aaf4132b2b7401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13111",
    "kind": "arxiv",
    "version": 1
  }
}