Pith Number

pith:YDPSWX6O

pith:2019:YDPSWX6ORODZB72UNBJPGLTAFA

not attested not anchored not stored refs pending

Asymmetries in adaptive optics point spread functions

Abhijith Rajan, Alexander Madurowicz, Alexandra Z. Greenbaum, Anand Sivaramakrishnan, Benjamin L. Gerard, Bruce Macintosh, Christian Marois, David Palmer, Dmitry Savransky, Eric L. Nielsen, Franck Marchis, Fredrik T. Rantakyr\"o, Gaspard Duch\^ene, Inseok Song, James R. Graham, Jason J. Wang, Jean-Baptiste Ruffio, Jeffrey Chilcote, Jennifer Patience, J\'er\^ome Maire, Joanna Bulger, Julien Rameau, Katherine B. Follette, Kimberly Ward-Duong, Laurent Pueyo, Lisa Poyneer, Li-Wei Hung, Mark S. Marley, Marshall Perrin, Maxwell A. Millar-Blanchaer, Melissa Tallis, Michael P. Fitzgerald, Pascale Hibon, Patrick Ingraham, Paul Kalas, Quinn Konopacky, Rebecca Oppenheimer, Remi Soummer, Rene Doyon, Robert J. De Rosa, Sandrine Thomas, Schuyler Wolf, Stanimir Metchev, Stephen J. Goodsell, Tara Cotten, Thomas M. Esposito, Travis Barman, Vanessa P. Bailey

arxiv:1909.12981 v1 · 2019-09-27 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDPSWX6ORODZB72UNBJPGLTAFA}

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	2026-07-05T00:07:54.692741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0df2b5fce8b8790ff546852f32e60281ceb5475d0387e403231bd3e72caf2ce

Aliases

arxiv: 1909.12981 · arxiv_version: 1909.12981v1 · doi: 10.48550/arxiv.1909.12981 · pith_short_12: YDPSWX6ORODZ · pith_short_16: YDPSWX6ORODZB72U · pith_short_8: YDPSWX6O

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/YDPSWX6ORODZB72UNBJPGLTAFA \
  | 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: c0df2b5fce8b8790ff546852f32e60281ceb5475d0387e403231bd3e72caf2ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85913c200da09b3c3392949fefd07bb171d93afe25d70ad1225dfaa158bbcbdc",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-09-27T23:06:48Z",
    "title_canon_sha256": "f967b76ce8f802861455e6f2eaf3e1c02ef70188eb114bd3cb0e7981688a8bdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.12981",
    "kind": "arxiv",
    "version": 1
  }
}