Pith Number

pith:MTTY6EEH

pith:2022:MTTY6EEHTK4BFP6D6R5CSVMGYL

not attested not anchored not stored refs pending

Testing Ocean Software with Metamorphic Testing

Hai L. Vu, Huai Liu, Quang-Hung Luu, Tsong Yueh Chen

arxiv:2206.05457 v1 · 2022-06-11 · 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{MTTY6EEHTK4BFP6D6R5CSVMGYL}

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	2026-07-05T04:30:59.589094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64e78f10879ab812bfc3f47a295586c2c0b5832a251e8a31fb5b45908c6c058b

Aliases

arxiv: 2206.05457 · arxiv_version: 2206.05457v1 · doi: 10.48550/arxiv.2206.05457 · pith_short_12: MTTY6EEHTK4B · pith_short_16: MTTY6EEHTK4BFP6D · pith_short_8: MTTY6EEH

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/MTTY6EEHTK4BFP6D6R5CSVMGYL \
  | 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: 64e78f10879ab812bfc3f47a295586c2c0b5832a251e8a31fb5b45908c6c058b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30d367e6af1f65c08b56b6017f74d0eb04f231e691f600f2afa1e7294b7c4fff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2022-06-11T08:06:11Z",
    "title_canon_sha256": "59be5d9af9de3e931b6cc23178e782f74c5974ccd8c156419b7f9594899de1ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.05457",
    "kind": "arxiv",
    "version": 1
  }
}