Pith Number

pith:V5R3EYXG

pith:2012:V5R3EYXGN4FL2WMJQJD2BUPHMY

not attested not anchored not stored refs pending

Lessons Learned from Evaluating MDE Abstractions in an Industry Case Study

Adrian Kuhn, Gail C. Murphy

arxiv:1209.5800 v1 · 2012-09-26 · 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{V5R3EYXGN4FL2WMJQJD2BUPHMY}

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	2026-05-18T03:44:46.354413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af63b262e66f0abd59898247a0d1e7662e735bfcd78385179187ea8f6b9d9aae

Aliases

arxiv: 1209.5800 · arxiv_version: 1209.5800v1 · doi: 10.48550/arxiv.1209.5800 · pith_short_12: V5R3EYXGN4FL · pith_short_16: V5R3EYXGN4FL2WMJ · pith_short_8: V5R3EYXG

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/V5R3EYXGN4FL2WMJQJD2BUPHMY \
  | 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: af63b262e66f0abd59898247a0d1e7662e735bfcd78385179187ea8f6b9d9aae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b53c1e7a1944a7829d5732196c085a3f491b7d6b3a1fcf21e1b9205c7bef35d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-09-26T00:27:33Z",
    "title_canon_sha256": "98c4cf73c7b9d7457d4eddadc00b1904cdb6de545e5dffb7ab39d7ce55b65692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5800",
    "kind": "arxiv",
    "version": 1
  }
}