Pith Number

pith:YXUEPSBX

pith:2012:YXUEPSBXVVBDSXAFICWLKK3SQG

not attested not anchored not stored refs pending

Validation of the Exoplanet Kepler-21b using PAVO/CHARA Long-Baseline Interferometry

Antoine M\'erand, Christopher D. Farrington, Daniel Huber, Gail H. Schaefer, Harold A. McAlister, Judit Sturmann, Laszlo Sturmann, Michael J. Ireland, Nils H. Turner, Peter G. Tuthill, P. J. Goldfinger, Steve B. Howell, Theo A. ten Brummelaar, Timothy R. Bedding, Timothy R. White, Vicente Maestro

arxiv:1202.5307 v2 · 2012-02-23 · 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{YXUEPSBXVVBDSXAFICWLKK3SQG}

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	2026-05-18T01:58:20.160287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5e847c837ad42395c0540acb52b7281b287ef5b84efc428983ecbfc1960c000

Aliases

arxiv: 1202.5307 · arxiv_version: 1202.5307v2 · doi: 10.48550/arxiv.1202.5307 · pith_short_12: YXUEPSBXVVBD · pith_short_16: YXUEPSBXVVBDSXAF · pith_short_8: YXUEPSBX

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/YXUEPSBXVVBDSXAFICWLKK3SQG \
  | 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: c5e847c837ad42395c0540acb52b7281b287ef5b84efc428983ecbfc1960c000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1384ff71bfd5cf9468dc29cd82ee337e3478006eddd606512a2f9ce1a847c58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-23T21:00:01Z",
    "title_canon_sha256": "95d555c3665abff801d82598a0e26f1d08882d78582930ce219d5baedf607036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5307",
    "kind": "arxiv",
    "version": 2
  }
}