Pith Number

pith:7AAMT2RG

pith:2014:7AAMT2RG76KKIBVPSSM6JAMOPT

not attested not anchored not stored refs pending

Modeling Language Variability

Bernhard Rumpe, Hans Gr\"onninger

arxiv:1409.6580 v1 · 2014-09-22 · 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{7AAMT2RG76KKIBVPSSM6JAMOPT}

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	2026-05-18T02:42:06.891830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f800c9ea26ff94a406af9499e4818e7cf6876f05892dda0b87901dd9d70ade15

Aliases

arxiv: 1409.6580 · arxiv_version: 1409.6580v1 · doi: 10.48550/arxiv.1409.6580 · pith_short_12: 7AAMT2RG76KK · pith_short_16: 7AAMT2RG76KKIBVP · pith_short_8: 7AAMT2RG

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/7AAMT2RG76KKIBVPSSM6JAMOPT \
  | 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: f800c9ea26ff94a406af9499e4818e7cf6876f05892dda0b87901dd9d70ade15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48d29e1cf621bdca35b8922101bc4b4a5e9288a23e7eff7b87a712564ce0070d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-09-22T11:51:24Z",
    "title_canon_sha256": "66e028f3c8d9b893fc520c894ac81f7a7e2b71786376941482227248cac8011a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6580",
    "kind": "arxiv",
    "version": 1
  }
}