Pith Number

pith:ECNCQFIN

pith:2018:ECNCQFINLQVESKOTS5VOVRMS3G

not attested not anchored not stored refs pending

Goal-Oriented Mutation Testing with Focal Methods

Markus Borg, Mohammad Ghafari, Serge Demeyer, Sten Vercammen

arxiv:1807.10953 v2 · 2018-07-28 · 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{ECNCQFINLQVESKOTS5VOVRMS3G}

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	2026-05-18T00:03:45.967475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

209a28150d5c2a4929d3976aeac592d9ac6b649150aa7c8bc461bc03f1be05bf

Aliases

arxiv: 1807.10953 · arxiv_version: 1807.10953v2 · doi: 10.48550/arxiv.1807.10953 · pith_short_12: ECNCQFINLQVE · pith_short_16: ECNCQFINLQVESKOT · pith_short_8: ECNCQFIN

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/ECNCQFINLQVESKOTS5VOVRMS3G \
  | 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: 209a28150d5c2a4929d3976aeac592d9ac6b649150aa7c8bc461bc03f1be05bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51501c934329beea8b3f6d28d4ea655f1cdef31ca7214435b8ca5283c3891fbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-07-28T15:38:39Z",
    "title_canon_sha256": "398537c50d2d1d4ec7b2a3c758a8e58f8e7f0d892675188a16820133cd4cb44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10953",
    "kind": "arxiv",
    "version": 2
  }
}