Pith Number

pith:THUF5U6I

pith:2012:THUF5U6IUW53CTPF2LA4PEY3RK

not attested not anchored not stored refs pending

Compositional Verification of Evolving Software Product Lines

Ganesh Khandu Narwane, Jean-Vivien Millo, Shankara Narayanan Krishna, S. Ramesh

arxiv:1212.4258 v1 · 2012-12-18 · 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{THUF5U6IUW53CTPF2LA4PEY3RK}

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	2026-05-18T03:38:13.473225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99e85ed3c8a5bbb14de5d2c1c7931b8a9a5ff81c3a51f51e4ef83f9546eac59a

Aliases

arxiv: 1212.4258 · arxiv_version: 1212.4258v1 · doi: 10.48550/arxiv.1212.4258 · pith_short_12: THUF5U6IUW53 · pith_short_16: THUF5U6IUW53CTPF · pith_short_8: THUF5U6I

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/THUF5U6IUW53CTPF2LA4PEY3RK \
  | 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: 99e85ed3c8a5bbb14de5d2c1c7931b8a9a5ff81c3a51f51e4ef83f9546eac59a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd151c1299cd5ec49be2f614b99cad1d9e2322b01380b3c75a662397102a265f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-12-18T08:01:54Z",
    "title_canon_sha256": "e507422bd26f4262ff9deab4883d713dcce93d5c5618042773544a881746bceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4258",
    "kind": "arxiv",
    "version": 1
  }
}