Pith Number

pith:73UNSZ4Y

pith:2016:73UNSZ4YVCCH667VCGISZ2KB4T

not attested not anchored not stored refs pending

`imaka - a ground-layer adaptive optics system on Maunakea

Brad Steele, Christoph Baranec, Christopher Kingery, Denis Brousseau, Douglas Toomey, Jessica Lu, John Gardiner, Keith Loss, Mark Chun, Max Service, Olivier Lai, Shane Santi, Shin Oya, Simon Thibault, Yutaka Hayano

arxiv:1608.01804 v1 · 2016-08-05 · 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{73UNSZ4YVCCH667VCGISZ2KB4T}

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	2026-05-18T00:57:26.573470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fee8d96798a8847f7bf511912ce941e4ea9b5f3064e8131e5069ff3c96b99838

Aliases

arxiv: 1608.01804 · arxiv_version: 1608.01804v1 · doi: 10.48550/arxiv.1608.01804 · pith_short_12: 73UNSZ4YVCCH · pith_short_16: 73UNSZ4YVCCH667V · pith_short_8: 73UNSZ4Y

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/73UNSZ4YVCCH667VCGISZ2KB4T \
  | 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: fee8d96798a8847f7bf511912ce941e4ea9b5f3064e8131e5069ff3c96b99838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d68b7ad2cd686d01b44285e3ad945c21448146073c5dd2b98c137293581afaf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-05T08:44:13Z",
    "title_canon_sha256": "15bf0c0e13350aa5e1a4c1e3d1be8e8b73595e2b508a3ae6d3c6faeb81007291"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01804",
    "kind": "arxiv",
    "version": 1
  }
}