Pith Number

pith:KY4KBY7P

pith:2018:KY4KBY7PTTD7J6SDNZFDQR7ZLX

not attested not anchored not stored refs pending

Reversing Parallel Programs with Blocks and Procedures

Irek Ulidowski (University of Leicester), James Hoey (University of Leicester), Shoji Yuen (Nagoya University)

arxiv:1808.08651 v1 · 2018-08-27 · 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{KY4KBY7PTTD7J6SDNZFDQR7ZLX}

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	2026-05-18T00:07:13.713521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5638a0e3ef9cc7f4fa436e4a3847f95dddc7ba53977afa36ed949d19d7780649

Aliases

arxiv: 1808.08651 · arxiv_version: 1808.08651v1 · doi: 10.48550/arxiv.1808.08651 · pith_short_12: KY4KBY7PTTD7 · pith_short_16: KY4KBY7PTTD7J6SD · pith_short_8: KY4KBY7P

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/KY4KBY7PTTD7J6SDNZFDQR7ZLX \
  | 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: 5638a0e3ef9cc7f4fa436e4a3847f95dddc7ba53977afa36ed949d19d7780649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2856413499fe9f05c9c2f029abd6d0b7c31764ffb559dbaf2995921e4e593445",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-08-27T01:20:00Z",
    "title_canon_sha256": "cb9703d8f1b44f6f514ad5a48e44c4410e45650e9ef80ea30ef9499bfc9ea18f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08651",
    "kind": "arxiv",
    "version": 1
  }
}