Pith Number

pith:IWTHDJFJ

pith:2015:IWTHDJFJ32SZTYSV4Z4TIVXYRW

not attested not anchored not stored refs pending

An Architecture Process Maturity Model of Software Product Line Engineering

Faheem Ahmed, Luiz Fernando Capretz

arxiv:1507.06901 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{IWTHDJFJ32SZTYSV4Z4TIVXYRW}

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	2026-05-18T01:36:21.708042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a671a4a9dea599e255e6793456f88d85c82ca8e946244dd9e2be6a4bd8ea61

Aliases

arxiv: 1507.06901 · arxiv_version: 1507.06901v1 · doi: 10.48550/arxiv.1507.06901 · pith_short_12: IWTHDJFJ32SZ · pith_short_16: IWTHDJFJ32SZTYSV · pith_short_8: IWTHDJFJ

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/IWTHDJFJ32SZTYSV4Z4TIVXYRW \
  | 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: 45a671a4a9dea599e255e6793456f88d85c82ca8e946244dd9e2be6a4bd8ea61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddad6aa5e021bc62c812c74b3c4712b1a587b084f9e5fb07347ad3bdb0031e54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-07-24T16:03:35Z",
    "title_canon_sha256": "96c55e34ca93d5e45fdbef86a5da17f09d9c74d9113c29d9ad9579a00acf9696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06901",
    "kind": "arxiv",
    "version": 1
  }
}