Pith Number

pith:BJAVO2VU

pith:2026:BJAVO2VU3QJZGZGTZDLNCEDFMW

not attested not anchored not stored refs pending

The atmosphere of K2-18 b: The role of hazes, clouds and photoelectrons

A. Coustenis, G. Tinetti, P. Drossart, P. Lavvas, R. Liu, S. Paraskevaidou

arxiv:2603.26474 v1 · 2026-03-27 · 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{BJAVO2VU3QJZGZGTZDLNCEDFMW}

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	2026-05-27T14:06:42.524046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a41576ab4dc139364d3c8d6d11065659b4a5330bfe76fd19c66c670f3834a8f

Aliases

arxiv: 2603.26474 · arxiv_version: 2603.26474v1 · doi: 10.48550/arxiv.2603.26474 · pith_short_12: BJAVO2VU3QJZ · pith_short_16: BJAVO2VU3QJZGZGT · pith_short_8: BJAVO2VU

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/BJAVO2VU3QJZGZGTZDLNCEDFMW \
  | 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: 0a41576ab4dc139364d3c8d6d11065659b4a5330bfe76fd19c66c670f3834a8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ecc172cdc68905f6bcad1f58f9568ae763dc59dc140f9836c20aa2a100c5e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-03-27T14:40:11Z",
    "title_canon_sha256": "e4e06ea031ac7b678f128d77d23c97d2ae60eaddf1a06683d17f2d21fdf9486c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.26474",
    "kind": "arxiv",
    "version": 1
  }
}