Pith Number

pith:DBD66Q2O

pith:2014:DBD66Q2OZC3A7QFSZLQHASGJCX

not attested not anchored not stored refs pending

A Requirements Modeling Language for the Component Behavior of Cyber Physical Robotics Systems

Andreas Wortmann, Bernhard Rumpe, Jan Oliver Ringert

arxiv:1409.0394 v1 · 2014-09-01 · 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{DBD66Q2OZC3A7QFSZLQHASGJCX}

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	2026-05-18T02:43:52.844847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1847ef434ec8b60fc0b2cae07048c915dbe8cf913f9624b17231da8e988dc39a

Aliases

arxiv: 1409.0394 · arxiv_version: 1409.0394v1 · doi: 10.48550/arxiv.1409.0394 · pith_short_12: DBD66Q2OZC3A · pith_short_16: DBD66Q2OZC3A7QFS · pith_short_8: DBD66Q2O

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/DBD66Q2OZC3A7QFSZLQHASGJCX \
  | 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: 1847ef434ec8b60fc0b2cae07048c915dbe8cf913f9624b17231da8e988dc39a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d7e54c452186a014191447dd672d1149109471cb548ef21996a0c780b1311da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-09-01T12:55:56Z",
    "title_canon_sha256": "8ed437b07d1f1e83d14566e9a7ad520f93df048692ed39fb5e6f76c02e5af13e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0394",
    "kind": "arxiv",
    "version": 1
  }
}