Pith Number

pith:7GNUGTN6

pith:2024:7GNUGTN6YF6M22KY742I76RMOW

not attested not anchored not stored refs pending

JWST observations of K2-18b can be explained by a gas-rich mini-Neptune with no habitable surface

Joshua Krissansen-Totton, Kevin Zahnle, Natasha E. Batalha, Nicholas F. Wogan, Renyu Hu, Shang-Min Tsai

arxiv:2401.11082 v2 · 2024-01-20 · 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{7GNUGTN6YF6M22KY742I76RMOW}

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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.

Cited by

2 papers in Pith

A generalised microbial cell model for methane biosignature predictions

A Hycean Interpretation of K2-18b Supported by Photochemical Atmospheric Compositional

Receipt and verification

First computed	2026-07-05T07:41:02.424246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f99b434dbec17ccd6958ff348ffa2c7582800ac46f7496eb1c88a6ccea98eb72

Aliases

arxiv: 2401.11082 · arxiv_version: 2401.11082v2 · doi: 10.48550/arxiv.2401.11082 · pith_short_12: 7GNUGTN6YF6M · pith_short_16: 7GNUGTN6YF6M22KY · pith_short_8: 7GNUGTN6

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/7GNUGTN6YF6M22KY742I76RMOW \
  | 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: f99b434dbec17ccd6958ff348ffa2c7582800ac46f7496eb1c88a6ccea98eb72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "584e01e5850b181fd546f6a62e954fc13009ab67f45e5a6e73497151cda5c600",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-01-20T02:16:18Z",
    "title_canon_sha256": "2ef9cbfab684045ee739417698480e95a24bb1ddb7924753121de5236aee735b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.11082",
    "kind": "arxiv",
    "version": 2
  }
}