Pith Number

pith:Y7LT4WFG

pith:2019:Y7LT4WFGKQBAGZXD6ZBZGQITYM

not attested not anchored not stored refs pending

Revised Astrometric Calibration of the Gemini Planet Imager

Abhijith Rajan, Adam C. Schneider, 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 E. Larkin, James R. Graham, Jason J. Wang, Jean-Baptiste Ruffio, Jeffrey Chilcote, Jennifer Patience, J\'er\^ome Maire, J. Kent Wallace, Joanna Bulger, Julien Rameau, Katherine B. Follette, Kimberly Ward-Duong, Laurent Pueyo, Lisa Poyneer, Li-Wei Hung, Mark S. Marley, Marshall D. Perrin, Maxwell A. Millar-Blanchaer, Meiji M. Nguyen, Michael P. Fitzgerald, Pascale Hibon, Patrick Ingraham, Paul Kalas, Quinn Konopacky, Rebecca Oppenheimer, Remi Soummer, Rene Doyon, Robert J. De Rosa, Sandrine Thomas, Schuyler Wolff, Sloane Wiktorowicz, S. Mark Ammons, Stanimir Metchev, Stephen J. Goodsell, Tara Cotten, Thomas M. Esposito, Travis Barman, Vanessa P. Bailey

arxiv:1910.08659 v2 · 2019-10-18 · 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{Y7LT4WFGKQBAGZXD6ZBZGQITYM}

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	2026-07-05T00:53:51.843769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d73e58a654020366e3f643934113c33039599ceb7512604a513453f74ea61f

Aliases

arxiv: 1910.08659 · arxiv_version: 1910.08659v2 · doi: 10.48550/arxiv.1910.08659 · pith_short_12: Y7LT4WFGKQBA · pith_short_16: Y7LT4WFGKQBAGZXD · pith_short_8: Y7LT4WFG

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/Y7LT4WFGKQBAGZXD6ZBZGQITYM \
  | 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: c7d73e58a654020366e3f643934113c33039599ceb7512604a513453f74ea61f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a81ec70e8109b555054cdf351a6c70ae03ec66973fcd76f358da07516b9f17a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-10-18T23:23:41Z",
    "title_canon_sha256": "e01197702345e73b25c5d7ebb47604df77dfc39f57f99bc3dce57f3b49f17402"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08659",
    "kind": "arxiv",
    "version": 2
  }
}