Pith Number

pith:CPBARPSP

pith:2020:CPBARPSPEIYZXAFWNKJH5MYG25

not attested not anchored not stored refs pending

Multidisciplinary Design Optimization of Reusable Launch Vehicles for Different Propellants and Objectives

Fabio Mota, G\"unther Waxenegger-Wilfing, Jan Deeken, Kai Dresia, Michael Oschwald, Robson Hahn, Simon Jentzsch

arxiv:2009.01664 v1 · 2020-09-03 · cs.NE · cs.SY · eess.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPBARPSPEIYZXAFWNKJH5MYG25}

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	2026-07-05T02:15:27.651215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13c208be4f22319b80b66a927eb306d750b2f8b88c7a0f93e3ec0964d58ce717

Aliases

arxiv: 2009.01664 · arxiv_version: 2009.01664v1 · doi: 10.48550/arxiv.2009.01664 · pith_short_12: CPBARPSPEIYZ · pith_short_16: CPBARPSPEIYZXAFW · pith_short_8: CPBARPSP

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/CPBARPSPEIYZXAFWNKJH5MYG25 \
  | 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: 13c208be4f22319b80b66a927eb306d750b2f8b88c7a0f93e3ec0964d58ce717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06cdc2ba542e4050da15b8602db36dc901be3ebb3d912d475f6fcdcacbbdbb8d",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2020-09-03T13:48:54Z",
    "title_canon_sha256": "b2e48db8927c0840d9817298fffb037d7c239abf465441272537e2df90e57ca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01664",
    "kind": "arxiv",
    "version": 1
  }
}