Pith Number

pith:PCQ7TDC5

pith:2019:PCQ7TDC5TRX5W3H6LPCHIHSPKV

not attested not anchored not stored refs pending

Towards Lakosian Multilingual Software Design Principles

Damian M. Lyons, Saba B. Zahra, Thomas M. Marshall

arxiv:1906.08351 v1 · 2019-06-19 · 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{PCQ7TDC5TRX5W3H6LPCHIHSPKV}

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	2026-05-17T23:42:52.757441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78a1f98c5d9c6fdb6cfe5bc4741e4f555c9dbf82fcf1c08c4e6510d864aa45df

Aliases

arxiv: 1906.08351 · arxiv_version: 1906.08351v1 · doi: 10.48550/arxiv.1906.08351 · pith_short_12: PCQ7TDC5TRX5 · pith_short_16: PCQ7TDC5TRX5W3H6 · pith_short_8: PCQ7TDC5

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/PCQ7TDC5TRX5W3H6LPCHIHSPKV \
  | 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: 78a1f98c5d9c6fdb6cfe5bc4741e4f555c9dbf82fcf1c08c4e6510d864aa45df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59e04aab6425cbbea51d66bc1c82d374b3a02b88d73a8eb87ccf462659de0a76",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-06-19T20:55:44Z",
    "title_canon_sha256": "f1bda417a06dfcdd82ad116b59214fb4cf369be3165e44e38c5ad00cef596bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08351",
    "kind": "arxiv",
    "version": 1
  }
}