Pith Number

pith:RNCY66PO

pith:2017:RNCY66POD3TX2Q7SUKKJ3EYBCU

not attested not anchored not stored refs pending

The impact of software complexity on cost and quality - A comparative analysis between Open source and proprietary software

Anh Nguyen-Duc

arxiv:1712.00675 v1 · 2017-12-02 · 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{RNCY66POD3TX2Q7SUKKJ3EYBCU}

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	2026-05-18T00:29:00.705016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b458f79ee1ee77d43f2a2949d9301152339754a73ea432046a34363841d7ffb

Aliases

arxiv: 1712.00675 · arxiv_version: 1712.00675v1 · doi: 10.48550/arxiv.1712.00675 · pith_short_12: RNCY66POD3TX · pith_short_16: RNCY66POD3TX2Q7S · pith_short_8: RNCY66PO

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/RNCY66POD3TX2Q7SUKKJ3EYBCU \
  | 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: 8b458f79ee1ee77d43f2a2949d9301152339754a73ea432046a34363841d7ffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d269ea55875c24ec1a7c71c46c4cec2b9be04dae326dde141cb950afdb96374",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-12-02T22:50:48Z",
    "title_canon_sha256": "d49836b61c9a18fc6412d4222b48f3b15354d6338ca9e76e100562a022fa9aa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00675",
    "kind": "arxiv",
    "version": 1
  }
}