Pith Number

pith:UHWZZFI6

pith:2016:UHWZZFI6OVGDYIR4CFZZ2II7EP

not attested not anchored not stored refs pending

Large collaboration in observational astronomy: the Gemini Planet Imager exoplanet survey case

Bruce Macintosh, Christian Marois, Dmitry Savransky, Franck Marchis, James R. Graham (GPIES Consortium), Marshall D. Perrin, Paul G. Kalas, Quinn M. Konopacky

arxiv:1609.08690 v1 · 2016-09-27 · 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{UHWZZFI6OVGDYIR4CFZZ2II7EP}

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	2026-05-18T01:03:42.195962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ed9c951e754c3c223c11739d211f23d05fb08ed77c04eba17bca416d34f41a

Aliases

arxiv: 1609.08690 · arxiv_version: 1609.08690v1 · doi: 10.48550/arxiv.1609.08690 · pith_short_12: UHWZZFI6OVGD · pith_short_16: UHWZZFI6OVGDYIR4 · pith_short_8: UHWZZFI6

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/UHWZZFI6OVGDYIR4CFZZ2II7EP \
  | 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: a1ed9c951e754c3c223c11739d211f23d05fb08ed77c04eba17bca416d34f41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d576c92735b83147e120101cae1f4835504904597aabc4e1f955a3c8d45a6ff7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-09-27T22:20:18Z",
    "title_canon_sha256": "db7989b6be546d84a154e14d5e626aabdad198d228f3d718dba6c59958c1324c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08690",
    "kind": "arxiv",
    "version": 1
  }
}