Pith Number

pith:W2W5LAPH

pith:2022:W2W5LAPHYNZL3V3WBCU4PPNRUY

not attested not anchored not stored refs pending

Development, manufacturing and testing of small launcher structures from Portugal

Alexander Costa, Andr\'e G.C. Guerra, Andr\'e Jo\~ao, Catarina Silva, Daniel Alonso, Gon\c{c}alo Ara\'ujo, Joaquim Rocha, Luis Cola\c{c}o, Luis Pinheiro, Nuno Carneiro, Pedro Meireles, Sandra Fortuna, Stephan Schmid, Tiago Pires

arxiv:2211.04295 v1 · 2022-11-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2W5LAPHYNZL3V3WBCU4PPNRUY}

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	2026-07-05T05:14:28.086726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6add581e7c372bdd77608a9c7bdb1a618359739901fd0dbfd4f883c5ebbde7a

Aliases

arxiv: 2211.04295 · arxiv_version: 2211.04295v1 · doi: 10.48550/arxiv.2211.04295 · pith_short_12: W2W5LAPHYNZL · pith_short_16: W2W5LAPHYNZL3V3W · pith_short_8: W2W5LAPH

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/W2W5LAPHYNZL3V3WBCU4PPNRUY \
  | 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: b6add581e7c372bdd77608a9c7bdb1a618359739901fd0dbfd4f883c5ebbde7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6759da0faf3487810ba7d49e1ec7a18c05e222822ad58dfaca7aaef973607880",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-11-08T15:03:57Z",
    "title_canon_sha256": "762ccb33ab39e4c98555e00aa89077b88a48005629ed4b7281144aa4b33a111a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.04295",
    "kind": "arxiv",
    "version": 1
  }
}