Pith Number

pith:QRHI6TE2

pith:2017:QRHI6TE26SANHN4VBNIHU55T54

not attested not anchored not stored refs pending

LittleDarwin: a Feature-Rich and Extensible Mutation Testing Framework for Large and Complex Java Systems

Alessandro Murgia, Ali Parsai, Serge Demeyer

arxiv:1707.01123 v1 · 2017-07-04 · 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{QRHI6TE26SANHN4VBNIHU55T54}

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	2026-05-18T00:40:53.620204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844e8f4c9af480d3b7950b507a77b3ef328ad6ebbbb4ba163168676f71d4c088

Aliases

arxiv: 1707.01123 · arxiv_version: 1707.01123v1 · doi: 10.48550/arxiv.1707.01123 · pith_short_12: QRHI6TE26SAN · pith_short_16: QRHI6TE26SANHN4V · pith_short_8: QRHI6TE2

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/QRHI6TE26SANHN4VBNIHU55T54 \
  | 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: 844e8f4c9af480d3b7950b507a77b3ef328ad6ebbbb4ba163168676f71d4c088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1793ed4dd7371200048df75a2b3fc76b9ceb902e0717c931656d164aa2fad37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-07-04T18:12:57Z",
    "title_canon_sha256": "6d24afa32b8160a01f1b9e9ddacbd38cfa16e48a81a897b2ab8289f303c545fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01123",
    "kind": "arxiv",
    "version": 1
  }
}