Pith Number

pith:V4ZYPACE

pith:2018:V4ZYPACEAU75WPIFHV5SMKNHAE

not attested not anchored not stored refs pending

A Search for Variability in Exoplanet Analogues and Low-Gravity Brown Dwarfs

Beth A. Biller, Derek Homeier, Elena Manjavacas, Esther Buenzli, Ian Crossfield, Jacqueline Radigan, Johanna M. Vos, Joshua Schlieder, Katelyn N. Allers, Mariangela Bonavita, Markus Janson, Michael C. Liu, Micka\"el Bonnefoy, Niall Deacon, Simon Eriksson, Stanimir Metchev, Taisiya Kopytova, Thomas Henning, Trent J. Dupuy, William M. J. Best, Wolfgang Brandner

arxiv:1811.08370 v1 · 2018-11-20 · 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{V4ZYPACEAU75WPIFHV5SMKNHAE}

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	2026-05-17T23:59:37.918590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af33878044053fdb3d053d7b2629a70136de28c4087bca265a091a4b6180ac7f

Aliases

arxiv: 1811.08370 · arxiv_version: 1811.08370v1 · doi: 10.48550/arxiv.1811.08370 · pith_short_12: V4ZYPACEAU75 · pith_short_16: V4ZYPACEAU75WPIF · pith_short_8: V4ZYPACE

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/V4ZYPACEAU75WPIFHV5SMKNHAE \
  | 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: af33878044053fdb3d053d7b2629a70136de28c4087bca265a091a4b6180ac7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea69d7830dc70aec6fdca7b7b7de1b03f81aaf91207cf07d514b9042e565f750",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-20T17:05:48Z",
    "title_canon_sha256": "4c7696146da2403b40555cb0fa72c44c5ee02420db310870639ca62adc94ef52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08370",
    "kind": "arxiv",
    "version": 1
  }
}