Pith Number

pith:Y5BPBYZW

pith:2026:Y5BPBYZWQ2D5KIWHMZPMHTUJAO

not attested not anchored not stored refs pending

Ice Giants Revisited: Uranus and Neptune as Magma Ocean Worlds

Aaron Werlen, Edward D. Young, Paula N. Wulff, Sarah P. Marcum

arxiv:2606.18219 v1 · 2026-06-16 · 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{Y5BPBYZWQ2D5KIWHMZPMHTUJAO}

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	2026-06-19T16:10:51.402623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c742f0e3368687d522c7665ec3ce8903992a21b3d53ef77496c856f0c873139d

Aliases

arxiv: 2606.18219 · arxiv_version: 2606.18219v1 · doi: 10.48550/arxiv.2606.18219 · pith_short_12: Y5BPBYZWQ2D5 · pith_short_16: Y5BPBYZWQ2D5KIWH · pith_short_8: Y5BPBYZW

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/Y5BPBYZWQ2D5KIWHMZPMHTUJAO \
  | 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: c742f0e3368687d522c7665ec3ce8903992a21b3d53ef77496c856f0c873139d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57549b6d105d8f1eda7b4addb2dafed2a0efb7d34fe18a112d4326b4c7ebfc9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-06-16T17:48:23Z",
    "title_canon_sha256": "4707df0f6e4ec240e2b29d2977f8971bc0babf14e5294e3f8dbf769b195f15e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18219",
    "kind": "arxiv",
    "version": 1
  }
}