Pith Number

pith:GPT25ME5

pith:2014:GPT25ME5ZWNV5OKLQXLVVREXTA

not attested not anchored not stored refs pending

OpenJML: Software verification for Java 7 using JML, OpenJDK, and Eclipse

David R. Cok (GrammaTech, Inc.)

arxiv:1404.6608 v1 · 2014-04-26 · cs.SE · cs.LO · cs.PL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPT25ME5ZWNV5OKLQXLVVREXTA}

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	2026-05-18T02:53:06.504612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33e7aeb09dcd9b5eb94b85d75ac497983981ab02ec953f5c54f3d5bbdb04f1f3

Aliases

arxiv: 1404.6608 · arxiv_version: 1404.6608v1 · doi: 10.48550/arxiv.1404.6608 · pith_short_12: GPT25ME5ZWNV · pith_short_16: GPT25ME5ZWNV5OKL · pith_short_8: GPT25ME5

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/GPT25ME5ZWNV5OKLQXLVVREXTA \
  | 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: 33e7aeb09dcd9b5eb94b85d75ac497983981ab02ec953f5c54f3d5bbdb04f1f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f182640067c0578da51e0bff78f437ed0c2d7166f2c4e37b75b96ee63772ef68",
    "cross_cats_sorted": [
      "cs.LO",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-04-26T05:33:03Z",
    "title_canon_sha256": "8cc4a801c3cef6d1a33ef76e585d2345df1bb0f5bc9c941393820e61d1abb159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6608",
    "kind": "arxiv",
    "version": 1
  }
}