Pith Number

pith:4GY34XYP

pith:2019:4GY34XYP3FM654A54GOS6D3VZX

not attested not anchored not stored refs pending

Ionized calcium in the atmospheres of two ultra-hot exoplanets WASP-33b and KELT-9b

A. Quirrenbach, A. Reiners, A. S\'anchez-L\'opez, D. Montes, E. Nagel, E. Pall\'e, F. F. Bauer, F. J. Alonso-Floriano, F. Yan, G. Chen, I. A. G. Snellen, I. Ribas, J. A. Caballero, K. Molaverdikhani, L. M. Lara, L. Nortmann, M. Azzaro, M. Cort\'es Contreras, M. L\'opez-Puertas, M. Oshagh, M. Stangret, M. Zechmeister, N. Casasayas-Barris, P. J. Amado, P. Molli\`ere, S. Czesla, S. Khalafinejad, Th. Henning

arxiv:1911.00380 v1 · 2019-11-01 · 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{4GY34XYP3FM654A54GOS6D3VZX}

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

Confirmation of Fe I on MASCARA-5 b's Dayside Observed With EXPRES

Receipt and verification

First computed	2026-07-05T00:25:19.002847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1b1be5f0fd959eef01de19d2f0f75cdf0363ae2f792515f995cbfe8a49a4ab5

Aliases

arxiv: 1911.00380 · arxiv_version: 1911.00380v1 · doi: 10.48550/arxiv.1911.00380 · pith_short_12: 4GY34XYP3FM6 · pith_short_16: 4GY34XYP3FM654A5 · pith_short_8: 4GY34XYP

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/4GY34XYP3FM654A54GOS6D3VZX \
  | 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: e1b1be5f0fd959eef01de19d2f0f75cdf0363ae2f792515f995cbfe8a49a4ab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0cfc9e2e16ba2949bbdbd2002f4433cdf0e9bcf54663e50b7d005d46eb181ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-11-01T13:52:17Z",
    "title_canon_sha256": "6c3dadf1aee29cdd83f027ada8b5e2280e31919a3f8c160541c73ac1a619cd5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.00380",
    "kind": "arxiv",
    "version": 1
  }
}