Pith Number

pith:BTO7B66J

pith:2026:BTO7B66JUQB5AOVYLDA4FD4KYX

not attested not anchored not stored refs pending

CARMApy: An Open-Source Python Framework for Simulating Microphysical Clouds in Planetary Atmospheres

Diana Powell, Dominic Samra, Peter Gao, Vighnesh Nagpal, Wolf Cukier, Xi Zhang

arxiv:2606.30438 v1 · 2026-06-29 · astro-ph.EP · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTO7B66JUQB5AOVYLDA4FD4KYX}

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	2026-06-30T02:18:15.198001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cddf0fbc9a403d03ab858c1c28f8ac5e63613a6cbfa5f1b6526641512142236

Aliases

arxiv: 2606.30438 · arxiv_version: 2606.30438v1 · doi: 10.48550/arxiv.2606.30438 · pith_short_12: BTO7B66JUQB5 · pith_short_16: BTO7B66JUQB5AOVY · pith_short_8: BTO7B66J

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/BTO7B66JUQB5AOVYLDA4FD4KYX \
  | 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: 0cddf0fbc9a403d03ab858c1c28f8ac5e63613a6cbfa5f1b6526641512142236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1490ffdcc23807b018046cb385b6a492541c1d439cc93fd3f3c10f9e7c3f6162",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-29T15:13:37Z",
    "title_canon_sha256": "e48921e942a93f97b25bdd9208c1f3a47f47a94f5a34340488c14bdadefb5a5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30438",
    "kind": "arxiv",
    "version": 1
  }
}