Pith Number

pith:HQF2RY3O

pith:2018:HQF2RY3ODXY6DEDCIUJFK7BDI6

not attested not anchored not stored refs pending

Engaging Millennials into Learning Formal Methods

N\'estor Cata\~no

arxiv:1806.03527 v1 · 2018-06-09 · 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{HQF2RY3ODXY6DEDCIUJFK7BDI6}

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	2026-05-18T00:13:43.110567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c0ba8e36e1df1e190624512557c2347a8deacd4a40120f9ba01dbe5200cac82

Aliases

arxiv: 1806.03527 · arxiv_version: 1806.03527v1 · doi: 10.48550/arxiv.1806.03527 · pith_short_12: HQF2RY3ODXY6 · pith_short_16: HQF2RY3ODXY6DEDC · pith_short_8: HQF2RY3O

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/HQF2RY3ODXY6DEDCIUJFK7BDI6 \
  | 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: 3c0ba8e36e1df1e190624512557c2347a8deacd4a40120f9ba01dbe5200cac82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd5e2b57356014fb64226895fcfb6890765eb0d45e0bd2617c2d17d31331367",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-06-09T18:45:48Z",
    "title_canon_sha256": "e2fbcab15bac0f29017638bfc4464707c5cc7b91672710fbec8ccaab29444180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03527",
    "kind": "arxiv",
    "version": 1
  }
}