Pith Number

pith:IUM5WYQL

pith:2018:IUM5WYQL54JQKN7GXEDEVBZ3JD

not attested not anchored not stored refs pending

Artificial guide stars for adaptive optics using unmanned aerial vehicles

Alastair Basden, Anthony M Brown, Paula Chadwick, Paul Clark, Richard Massey

arxiv:1803.08945 v1 · 2018-03-23 · 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{IUM5WYQL54JQKN7GXEDEVBZ3JD}

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	2026-05-18T00:18:49.192261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4519db620bef130537e6b9064a873b48c697f48b07e3e89737a158eb6d8e6e0d

Aliases

arxiv: 1803.08945 · arxiv_version: 1803.08945v1 · doi: 10.48550/arxiv.1803.08945 · pith_short_12: IUM5WYQL54JQ · pith_short_16: IUM5WYQL54JQKN7G · pith_short_8: IUM5WYQL

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/IUM5WYQL54JQKN7GXEDEVBZ3JD \
  | 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: 4519db620bef130537e6b9064a873b48c697f48b07e3e89737a158eb6d8e6e0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ff2abba4784a99b01191c522137ad3f773a00f95802f355b6eb6074a216a981",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-23T19:05:47Z",
    "title_canon_sha256": "27f0edd13717971f7c4d3acf2ed6d1c16d98a52080be52360f563c08c8c7ab43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08945",
    "kind": "arxiv",
    "version": 1
  }
}