Pith Number

pith:5FLKU4KZ

pith:2019:5FLKU4KZFECYD3ZDO32NFBXI6Z

not attested not anchored not stored refs pending

Venus as a Laboratory for Exoplanetary Science

Adrian Lenardic, Cayman Unterborn, Colin Goldblatt, David Crisp, David Grinspoon, Giada Arney, James W. Head, Kevin J. Zahnle, Lori S. Glaze, Michael J. Way, Shawn Domagal-Goldman2, Stephen R. Kane

arxiv:1908.02783 v2 · 2019-08-07 · 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{5FLKU4KZFECYD3ZDO32NFBXI6Z}

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	2026-07-05T00:12:04.435688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e956aa7159290581ef2376f4d286e8f675211aa04952664070cd090fc85849c2

Aliases

arxiv: 1908.02783 · arxiv_version: 1908.02783v2 · doi: 10.48550/arxiv.1908.02783 · pith_short_12: 5FLKU4KZFECY · pith_short_16: 5FLKU4KZFECYD3ZD · pith_short_8: 5FLKU4KZ

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/5FLKU4KZFECYD3ZDO32NFBXI6Z \
  | 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: e956aa7159290581ef2376f4d286e8f675211aa04952664070cd090fc85849c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e95f8edc658b94b65d0c604de0c462abd152508a8afe8667ea7e2bae92bb4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-07T18:14:18Z",
    "title_canon_sha256": "43a930f9e22de82b9a779932ad49b8676f62e21aa6bb7d9cd67822a964bc46e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02783",
    "kind": "arxiv",
    "version": 2
  }
}