Pith Number

pith:BQYGD75X

pith:2015:BQYGD75XCSGMZIBIVJ7EET3Q63

not attested not anchored not stored refs pending

A Business Maturity Model of Software Product Line Engineering

Faheem Ahmed, Luiz Fernando Capretz

arxiv:1507.06897 v1 · 2015-07-24 · 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{BQYGD75XCSGMZIBIVJ7EET3Q63}

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	2026-05-18T01:36:21.715459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c3061ffb7148ccca028aa7e424f70f6cb1e3c7488bea207e9fcf65fe271493f

Aliases

arxiv: 1507.06897 · arxiv_version: 1507.06897v1 · doi: 10.48550/arxiv.1507.06897 · pith_short_12: BQYGD75XCSGM · pith_short_16: BQYGD75XCSGMZIBI · pith_short_8: BQYGD75X

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/BQYGD75XCSGMZIBIVJ7EET3Q63 \
  | 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: 0c3061ffb7148ccca028aa7e424f70f6cb1e3c7488bea207e9fcf65fe271493f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af7b6139b3c3fa0e787b42a36c8feefd4ea3f66f9fea1c40338365c550095c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-07-24T15:57:41Z",
    "title_canon_sha256": "d035ddcc8bc1e8ba1a0f61ea40a1b0f53fd6ff7d596e53545febba401b0c39a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06897",
    "kind": "arxiv",
    "version": 1
  }
}