Pith Number

pith:JTN5IT74

pith:2018:JTN5IT743Y332GU7XZV6OVDDDF

not attested not anchored not stored refs pending

Laboratory Demonstration of an Active Optics System for High-Resolution Deployable CubeSat

Andy Vick, Benjamin Gore, David Lunney, David Pearson, Donald MacLeod, Jean-Fran\c{c}ois Sauvage, Maria Milanova, Noah Schwartz, Stephen Todd, Steve Greenland, William Brzozowski

arxiv:1809.09097 v1 · 2018-09-24 · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTN5IT743Y332GU7XZV6OVDDDF}

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	2026-05-18T00:04:54.213550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cdbd44ffcde37bd1a9fbe6be754631948c6caae7e6321d1c2203c8c02ab4038

Aliases

arxiv: 1809.09097 · arxiv_version: 1809.09097v1 · doi: 10.48550/arxiv.1809.09097 · pith_short_12: JTN5IT743Y33 · pith_short_16: JTN5IT743Y332GU7 · pith_short_8: JTN5IT74

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/JTN5IT743Y332GU7XZV6OVDDDF \
  | 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: 4cdbd44ffcde37bd1a9fbe6be754631948c6caae7e6321d1c2203c8c02ab4038

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8b42e45745ffa68c3ef3586016eb09ae15285fb88250b47b29fa9f45e8c302d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-09-24T11:21:06Z",
    "title_canon_sha256": "8880e2a91da4361d973752215b18100486fcae26d2d2723b0608c8714f63e52d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09097",
    "kind": "arxiv",
    "version": 1
  }
}