Pith Number

pith:TCYHU3W4

pith:2019:TCYHU3W4R3IR23RSFNB3NW6MW6

not attested not anchored not stored refs pending

Sparkling nights and very hot days on WASP-18b: the formation of clouds and the emergence of an ionosphere

Ch. Helling, P. Gourbin, P. Woitke, V. Parmentier

arxiv:1901.08640 v1 · 2019-01-24 · 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{TCYHU3W4R3IR23RSFNB3NW6MW6}

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.

Cited by

1 paper in Pith

From cold to hot irradiated gaseous exoplanets: Fingerprints of chemical disequilibrium in atmospheric spectra

Receipt and verification

First computed	2026-05-17T23:42:24.443381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98b07a6edc8ed11d6e322b43b6dbccb785ee319543bf3d611707167acd082ea6

Aliases

arxiv: 1901.08640 · arxiv_version: 1901.08640v1 · doi: 10.48550/arxiv.1901.08640 · pith_short_12: TCYHU3W4R3IR · pith_short_16: TCYHU3W4R3IR23RS · pith_short_8: TCYHU3W4

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/TCYHU3W4R3IR23RSFNB3NW6MW6 \
  | 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: 98b07a6edc8ed11d6e322b43b6dbccb785ee319543bf3d611707167acd082ea6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba8eda65c1a70e9f96fbf4f0c3af1b1e470542366f6026cedfd84ca4cec9180f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-24T20:51:03Z",
    "title_canon_sha256": "1e555aa50361f41f231b266fe6fbc94f3d99391b0a9373ade0577bd4b30ca40a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08640",
    "kind": "arxiv",
    "version": 1
  }
}