Pith Number

pith:NH4WWEPC

pith:2026:NH4WWEPCRQC6ZEBAL3XN5YYSII

not attested not anchored not stored refs pending

Evolution-Aware Regression Test Prioritization of ML-Enabled Systems Using Gradient-Based Behavior Vectors

Donghwan Shin, Eunho Cho, In-Young Ko

arxiv:2606.28037 v1 · 2026-06-26 · 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{NH4WWEPCRQC6ZEBAL3XN5YYSII}

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	2026-06-29T01:14:55.926197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69f96b11e28c05ec90205eeedee312421b8cc20a641969487ba70943f1e66eaa

Aliases

arxiv: 2606.28037 · arxiv_version: 2606.28037v1 · doi: 10.48550/arxiv.2606.28037 · pith_short_12: NH4WWEPCRQC6 · pith_short_16: NH4WWEPCRQC6ZEBA · pith_short_8: NH4WWEPC

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/NH4WWEPCRQC6ZEBAL3XN5YYSII \
  | 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: 69f96b11e28c05ec90205eeedee312421b8cc20a641969487ba70943f1e66eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9edeb174264293ea6398dcb4b7d09434f7c13cd4b14533817b281b49b74a9837",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-26T12:43:20Z",
    "title_canon_sha256": "da100eeec476007abf2df12e62c5eb4d4e8d79bf8fc8ce258d80eb5f003fea85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28037",
    "kind": "arxiv",
    "version": 1
  }
}