Pith Number

pith:BPBXJ2S6

pith:2025:BPBXJ2S6NRIY62N33ZFMTK3LPA

not attested not anchored not stored refs pending

A Machine-Learning Compositional Study of Exoplanetary Material Accreted Onto Five Helium-Atmosphere White Dwarfs with $\texttt{cecilia}$

Amy Bonsor, Andrew Vanderburg, Ben Zuckerman, Javier Via\~na, Kishalay De, Laura K. Rogers, Mariona Badenas-Agusti, Patrick Dufour, Simon Blouin, Siyi Xu, Susana Hoyos

arxiv:2505.06228 v1 · 2025-05-09 · astro-ph.EP · astro-ph.IM · astro-ph.SR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPBXJ2S6NRIY62N33ZFMTK3LPA}

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	2026-07-05T11:00:56.531826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc374ea5e6c518f69bbde4ac9ab6b7821f7c5d2f21cc92b9d12f99883e869be

Aliases

arxiv: 2505.06228 · arxiv_version: 2505.06228v1 · doi: 10.48550/arxiv.2505.06228 · pith_short_12: BPBXJ2S6NRIY · pith_short_16: BPBXJ2S6NRIY62N3 · pith_short_8: BPBXJ2S6

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/BPBXJ2S6NRIY62N33ZFMTK3LPA \
  | 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: 0bc374ea5e6c518f69bbde4ac9ab6b7821f7c5d2f21cc92b9d12f99883e869be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01df1ef482c6bae38e090db6ed3e02cd9f25a45c6ddade91b5db3f91d3031899",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-05-09T17:59:50Z",
    "title_canon_sha256": "28eab50de3f15fb23b06cc202ac5900c292cfeca00a1b926cfc95fb292a7c001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.06228",
    "kind": "arxiv",
    "version": 1
  }
}