Pith Number

pith:4OZ2RGK2

pith:2026:4OZ2RGK2AHHNE73HHMMEUFNNVQ

not attested not anchored not stored refs pending

Provably Lossless Acceleration of DNN Mutation Testing via Memoization

Ali Ghanbari, Ben Greenman, Sasan Tavakkol, Shibbir Ahmed

arxiv:2607.18582 v1 · 2026-07-20 · 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{4OZ2RGK2AHHNE73HHMMEUFNNVQ}

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	2026-07-22T00:22:55.326100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b3a8995a01ced27f673b184a15adac3915f76fec6b1cd259eaff45563cb81a

Aliases

arxiv: 2607.18582 · arxiv_version: 2607.18582v1 · doi: 10.48550/arxiv.2607.18582 · pith_short_12: 4OZ2RGK2AHHN · pith_short_16: 4OZ2RGK2AHHNE73H · pith_short_8: 4OZ2RGK2

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/4OZ2RGK2AHHNE73HHMMEUFNNVQ \
  | 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: e3b3a8995a01ced27f673b184a15adac3915f76fec6b1cd259eaff45563cb81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a59020d7b2e4b7d05667b7fe76afd164504bbffd6fcc9c3e583fd259cb0e7a51",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-20T23:41:24Z",
    "title_canon_sha256": "93080cdf26fd67fe5feb7586eed3a2aa2cc72827b2cd99db55f5dba4317e338e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18582",
    "kind": "arxiv",
    "version": 1
  }
}