Pith Number

pith:64DXQZI2

pith:2013:64DXQZI2HC4X6Y4TN5NGRAPZLU

not attested not anchored not stored refs pending

The Gemini NICI Planet-Finding Campaign: The Frequency of Giant Planets around Young B and A Stars

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

arxiv:1306.1233 v1 · 2013-06-05 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64DXQZI2HC4X6Y4TN5NGRAPZLU}

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	2026-05-18T01:49:32.283693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f70778651a38b97f63936f5a6881f95d2968b646283e2474170daf855c8f4b81

Aliases

arxiv: 1306.1233 · arxiv_version: 1306.1233v1 · doi: 10.48550/arxiv.1306.1233 · pith_short_12: 64DXQZI2HC4X · pith_short_16: 64DXQZI2HC4X6Y4T · pith_short_8: 64DXQZI2

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/64DXQZI2HC4X6Y4TN5NGRAPZLU \
  | 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: f70778651a38b97f63936f5a6881f95d2968b646283e2474170daf855c8f4b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c75389d937d7ebdaac5e9c3ba9e320befaa2d265819d4606964b568a91ade796",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-06-05T20:00:04Z",
    "title_canon_sha256": "6c950fb154a6fdeb166f38bd721bd3db9b6b34af99a0e72bfa137b099a5b1dff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1233",
    "kind": "arxiv",
    "version": 1
  }
}