Pith Number

pith:QMX6PLGF

pith:2011:QMX6PLGFZHTQLBBZKCQGGLNYJI

not attested not anchored not stored refs pending

Qatar-2: A K dwarf orbited by a transiting hot Jupiter and a more massive companion in an outer orbit

Andrew Collier Cameron, Benjamin J. Fulton, Christine Liebig, Davide Ricci, David W. Latham, Gabor Furesz, Gilbert A. Esquerdo, Guillermo Torres, Jesper F. Skottfelt, Joshua A. Carter, Keith D. Horne, Kennet B. W. Harpsoe, Khalid A. Alsubai, Lars A. Buchhave, Marta L. Bryan, Martin Dominik, Michael L. Calkins, Neil R. Parley, Perry Berlind, Rachel A. Street, Richard G. West, Robert P. Stefanik, Samuel N. Quinn, Sebastiano Calchi Novati, Uffe Grae Jorgensen, Warren R. Brown

arxiv:1110.5912 v1 · 2011-10-26 · 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{QMX6PLGFZHTQLBBZKCQGGLNYJI}

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	2026-05-18T02:00:03.391785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

832fe7acc5c9e705843950a0632db84a0c397aa7cf2739a8cc3fb692dd814c99

Aliases

arxiv: 1110.5912 · arxiv_version: 1110.5912v1 · doi: 10.48550/arxiv.1110.5912 · pith_short_12: QMX6PLGFZHTQ · pith_short_16: QMX6PLGFZHTQLBBZ · pith_short_8: QMX6PLGF

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/QMX6PLGFZHTQLBBZKCQGGLNYJI \
  | 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: 832fe7acc5c9e705843950a0632db84a0c397aa7cf2739a8cc3fb692dd814c99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e4bf69847ad5004b2ac5dcfb3e58f865444e139aba25c5ff38ff335c64cf012",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-10-26T20:00:33Z",
    "title_canon_sha256": "542cdfba63e9d291ed38faba251b40d46712c10c7e7b0decdd73145275219f9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5912",
    "kind": "arxiv",
    "version": 1
  }
}