Pith Number

pith:PGANSDFO

pith:2019:PGANSDFOLTKE4LNMQREVNF72Y3

not attested not anchored not stored refs pending

NASA Operational Simulator for Small Satellites (NOS3): the STF-1 CubeSat case study

Dustin M. Geletko, John P. Lucas, Justin R. Morris, Mark D. Suder, Matthew D. Grubb, Max Spolaor, Scott A. Zemerick, Steven C. Yokum

arxiv:1901.07583 v1 · 2019-01-22 · 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{PGANSDFOLTKE4LNMQREVNF72Y3}

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	2026-05-17T23:55:42.090477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7980d90cae5cd44e2dac84495697fac6e0a8d10a1c8eb1d0a376f9e60b023036

Aliases

arxiv: 1901.07583 · arxiv_version: 1901.07583v1 · doi: 10.48550/arxiv.1901.07583 · pith_short_12: PGANSDFOLTKE · pith_short_16: PGANSDFOLTKE4LNM · pith_short_8: PGANSDFO

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/PGANSDFOLTKE4LNMQREVNF72Y3 \
  | 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: 7980d90cae5cd44e2dac84495697fac6e0a8d10a1c8eb1d0a376f9e60b023036

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea9235ef194e3063d71bddab95b2705cb804602e989284dc28bee4f62a1a2528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-22T19:01:15Z",
    "title_canon_sha256": "7a474539efaf13e654cce02955e11bc5ddff5f4676a19685863374d3772d079a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07583",
    "kind": "arxiv",
    "version": 1
  }
}