Pith Number

pith:Q2VTUDKE

pith:2011:Q2VTUDKEYTORWYUF5TELZ3PXAN

not attested not anchored not stored refs pending

The Gemini NICI Planet-Finding Campaign : Discovery of a Substellar L Dwarf Companion to the Nearby Young M Dwarf CD-35 2722

Alan Boss, Beth A. Biller, Christ Ftaclas, Douglas N. C. Lin, Douglas W. Toomey, Elisabethe de Gouveia Dal Pino, Eric E. Mamajek, Eric L. Nielsen, Evgenya L. Shkolnik, Fraser Clarke, I. Neill Reid, Jane Gregorio-Hetem, Laird M. Close, Marc Kuchner, Mark Chun, Markus Hartung, Matthias Tecza, Michael C. Liu, Michael Cushing, Niranjan Thatte, Pawel Artymowicz, Shigeru Ida, Silvia H. P. Alencar, Thomas L. Hayward, Trent Dupuy, Zahed Wahhaj

arxiv:1101.2893 v2 · 2011-01-14 · astro-ph.SR · 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{Q2VTUDKEYTORWYUF5TELZ3PXAN}

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	2026-05-18T02:03:39.864865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ab3a0d44c4dd1b6285ecc8bcedf7036700d79ff368dcb6784567cb41af5e65

Aliases

arxiv: 1101.2893 · arxiv_version: 1101.2893v2 · doi: 10.48550/arxiv.1101.2893 · pith_short_12: Q2VTUDKEYTOR · pith_short_16: Q2VTUDKEYTORWYUF · pith_short_8: Q2VTUDKE

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/Q2VTUDKEYTORWYUF5TELZ3PXAN \
  | 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: 86ab3a0d44c4dd1b6285ecc8bcedf7036700d79ff368dcb6784567cb41af5e65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5af049d9c9b9162b2a6501162095b8740abb2e3410e8c2348b36c54c990281",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-14T21:00:00Z",
    "title_canon_sha256": "2f953abc02b7336da937c91f8800d26114a1b3498033aed0491223e975d76bcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2893",
    "kind": "arxiv",
    "version": 2
  }
}