Pith Number

pith:MYZOTUQJ

pith:2026:MYZOTUQJJGBATALEKBWRTXGGXS

not attested not anchored not stored refs pending

A Typestate Approach to Purpose-aware Programming

Anitha Gollamudi (1), Joan Montas (1), Matteo Cimini (1) ((1) University of Massachusetts Lowell), Samuel Dodson (1)

arxiv:2606.26386 v1 · 2026-06-24 · 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{MYZOTUQJJGBATALEKBWRTXGGXS}

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	2026-06-26T00:15:38.946021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6632e9d2094982098164506d19dcc6bc88fa8e4f0256ec5dcf0d2a73ec66fb74

Aliases

arxiv: 2606.26386 · arxiv_version: 2606.26386v1 · doi: 10.48550/arxiv.2606.26386 · pith_short_12: MYZOTUQJJGBA · pith_short_16: MYZOTUQJJGBATALE · pith_short_8: MYZOTUQJ

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/MYZOTUQJJGBATALEKBWRTXGGXS \
  | 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: 6632e9d2094982098164506d19dcc6bc88fa8e4f0256ec5dcf0d2a73ec66fb74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab5cc39a3889b52dd47058a4affdef455d6c21d2e4da884c5372f5aa93421c57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-06-24T21:11:34Z",
    "title_canon_sha256": "03da5fb7cca5386f9c0a460a3c7c893cf67574f597d90f926c66416280507c7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26386",
    "kind": "arxiv",
    "version": 1
  }
}