Pith Number

pith:QWS2KIJP

pith:2018:QWS2KIJPU3GA2O63NRHSSC2XF5

not attested not anchored not stored refs pending

The Effects of Stellar Companions on Exoplanet Radius Distributions

David R. Ciardi, Johanna K. Teske, Lea A. Hirsch, Rachel A. Johnson, Steve B. Howell

arxiv:1804.10170 v2 · 2018-04-26 · 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{QWS2KIJPU3GA2O63NRHSSC2XF5}

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	2026-05-17T23:58:41.602527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85a5a5212fa6cc0d3bdb6c4f290b572f71f11d44f4e8789f0423c198dc554265

Aliases

arxiv: 1804.10170 · arxiv_version: 1804.10170v2 · doi: 10.48550/arxiv.1804.10170 · pith_short_12: QWS2KIJPU3GA · pith_short_16: QWS2KIJPU3GA2O63 · pith_short_8: QWS2KIJP

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/QWS2KIJPU3GA2O63NRHSSC2XF5 \
  | 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: 85a5a5212fa6cc0d3bdb6c4f290b572f71f11d44f4e8789f0423c198dc554265

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "074f62bd4bbb30caf0730ed26abba5d275d23419af08aed87e729262f35bd4be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-26T16:56:37Z",
    "title_canon_sha256": "643f0aae4210a97017cc0aceeec9de293ba2a36a1e3770daab4f2579af2acabb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10170",
    "kind": "arxiv",
    "version": 2
  }
}