Pith Number

pith:YSZUZ4VB

pith:2026:YSZUZ4VBSQ4VI5MR7ZWZO4VCSY

not attested not anchored not stored refs pending

Using Mutation-Analysis to Examine an LLM's Ability to Summarize Code

Bogdan Vasilescu, Lara Khatib, Meiyappan Nagappan, Michael Pu

arxiv:2602.17838 v2 · 2026-02-19 · 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{YSZUZ4VBSQ4VI5MR7ZWZO4VCSY}

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

Bidirectional Empowerment of Metamorphic Testing and Large Language Models: A Systematic Survey

Receipt and verification

First computed	2026-06-29T00:14:02.196099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b34cf2a19439547591fe6d9772a29609b5b58b7761c1792fef90dfdeec81f6

Aliases

arxiv: 2602.17838 · arxiv_version: 2602.17838v2 · doi: 10.48550/arxiv.2602.17838 · pith_short_12: YSZUZ4VBSQ4V · pith_short_16: YSZUZ4VBSQ4VI5MR · pith_short_8: YSZUZ4VB

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/YSZUZ4VBSQ4VI5MR7ZWZO4VCSY \
  | 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: c4b34cf2a19439547591fe6d9772a29609b5b58b7761c1792fef90dfdeec81f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53fed97d79d77f2e42b3581fe8f8dda42e9ab0ddacd8a783bcf2e62305151158",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-02-19T21:00:49Z",
    "title_canon_sha256": "81026f2695f1d9168a3af638e069a0934e59ac30cfc5c75e0a796f60a9526da6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.17838",
    "kind": "arxiv",
    "version": 2
  }
}