Pith Number

pith:BLI7AQL7

pith:2019:BLI7AQL7HVZCIWZ2M6B6CSQTDU

not attested not anchored not stored refs pending

On the Interaction of Object-Oriented Design Patterns and Programming Languages

Gerald Baumgartner, Konstantin L\"aufer, Vincent F. Russo

arxiv:1905.13674 v1 · 2019-05-31 · cs.PL · 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{BLI7AQL7HVZCIWZ2M6B6CSQTDU}

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	2026-05-17T23:44:34.291553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ad1f0417f3d72245b3a6783e14a131d2160183f7c3f85fa4a5490a5be9cef40

Aliases

arxiv: 1905.13674 · arxiv_version: 1905.13674v1 · doi: 10.48550/arxiv.1905.13674 · pith_short_12: BLI7AQL7HVZC · pith_short_16: BLI7AQL7HVZCIWZ2 · pith_short_8: BLI7AQL7

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/BLI7AQL7HVZCIWZ2M6B6CSQTDU \
  | 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: 0ad1f0417f3d72245b3a6783e14a131d2160183f7c3f85fa4a5490a5be9cef40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f821ab213e07b830e1ec6dab8596f9bc897d8622ff572f6705d2eb9107d54374",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-05-31T15:27:42Z",
    "title_canon_sha256": "6a739354115b9fe193bfa117990a7137f91478b1f3aa714094e3ff5fa3ad7f45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13674",
    "kind": "arxiv",
    "version": 1
  }
}