Pith Number

pith:BPTIDDLT

pith:2018:BPTIDDLTU4P7UCIRUYPKHYEUYZ

not attested not anchored not stored refs pending

Improving Development Practices through Experimentation: an Industrial TDD Case

Adrian Santos, Jaroslav Spisak, Markku Oivo, Natalia Juristo

arxiv:1809.01828 v1 · 2018-09-06 · 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{BPTIDDLTU4P7UCIRUYPKHYEUYZ}

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	2026-05-18T00:06:21.836137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be6818d73a71ffa0911a61ea3e094c673e9728a834247c495ed19398bcf3062

Aliases

arxiv: 1809.01828 · arxiv_version: 1809.01828v1 · doi: 10.48550/arxiv.1809.01828 · pith_short_12: BPTIDDLTU4P7 · pith_short_16: BPTIDDLTU4P7UCIR · pith_short_8: BPTIDDLT

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/BPTIDDLTU4P7UCIRUYPKHYEUYZ \
  | 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: 0be6818d73a71ffa0911a61ea3e094c673e9728a834247c495ed19398bcf3062

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "613893604a2e781196000d561b3020a085cafec164773607194ba227752ff315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-09-06T05:21:14Z",
    "title_canon_sha256": "b1948252e4d52d6cd8025756a95882093c906374ba1d6c5f95641a713eee3202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01828",
    "kind": "arxiv",
    "version": 1
  }
}