Pith Number

pith:YIOZIA3P

pith:2019:YIOZIA3P7KQXKLMNNBUYLYDPJP

not attested not anchored not stored refs pending

Having Fun in Learning Formal Specifications

Craig Q.H.D. Leek, I.S.W.B. Prasetya, Jan van Bergen, Jelle J. Oostveen, J.M. Everink, Joris ten Tusscher, Mike de Vries, Orestis Melkonian, Petar Kostic, Rick Meijerink, Roan Oosenbrug, Thomas van der Klis, Tijmen van den Pol, Wink M. van Zon

arxiv:1903.00334 v1 · 2019-03-01 · 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{YIOZIA3P7KQXKLMNNBUYLYDPJP}

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	2026-05-17T23:52:20.055986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c21d94036ffaa1752d8d686985e06f4bc2a17b88ae6e20fe33cfe9dae0bfd774

Aliases

arxiv: 1903.00334 · arxiv_version: 1903.00334v1 · doi: 10.48550/arxiv.1903.00334 · pith_short_12: YIOZIA3P7KQX · pith_short_16: YIOZIA3P7KQXKLMN · pith_short_8: YIOZIA3P

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/YIOZIA3P7KQXKLMNNBUYLYDPJP \
  | 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: c21d94036ffaa1752d8d686985e06f4bc2a17b88ae6e20fe33cfe9dae0bfd774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "242e59444d5557fa2e6398fe6749697dacaf8ddd7971bdcf0c94433b0e76d3c5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-03-01T14:54:15Z",
    "title_canon_sha256": "ddbf8109a839f8690057e128370751772ef8dcc4c5f0456eb70ac376bf573644"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00334",
    "kind": "arxiv",
    "version": 1
  }
}