Pith Number

pith:DY2T3LMX

pith:2019:DY2T3LMXEA5ELAPYK5XB6TQ6EP

not attested not anchored not stored refs pending

Mutation Testing with Hyperproperties

Andreas Fellner, Georg Weissenbacher, Mitra Tabaei Befrouei

arxiv:1907.07368 v1 · 2019-07-17 · cs.LO · 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{DY2T3LMXEA5ELAPYK5XB6TQ6EP}

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	2026-05-17T23:40:22.485252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e353dad97203a4581f8576e1f4e1e23deeabe7916922c653c480a11f6c0bd92

Aliases

arxiv: 1907.07368 · arxiv_version: 1907.07368v1 · doi: 10.48550/arxiv.1907.07368 · pith_short_12: DY2T3LMXEA5E · pith_short_16: DY2T3LMXEA5ELAPY · pith_short_8: DY2T3LMX

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/DY2T3LMXEA5ELAPYK5XB6TQ6EP \
  | 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: 1e353dad97203a4581f8576e1f4e1e23deeabe7916922c653c480a11f6c0bd92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5ea6bbe2ac4aaff4550ff7a6d5de4a157436cb709f580852894aa2b1c9a3b8",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-07-17T07:43:50Z",
    "title_canon_sha256": "55d141856f83e33c6fb398b62dc1df8ab00bb29cd696da243c3d28f267b4d1a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07368",
    "kind": "arxiv",
    "version": 1
  }
}