Pith Number

pith:FDIYZ7LS

pith:2025:FDIYZ7LSOOUP7SDFIY2XLLC6F2

not attested not anchored not stored refs pending

The peculiar composition of the Sun is not related to giant planets

A. M. Amarsi, G. Canocchi, M. Carlos, P. E. Nissen

arxiv:2505.22615 v1 · 2025-05-28 · astro-ph.SR · 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{FDIYZ7LSOOUP7SDFIY2XLLC6F2}

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	2026-07-05T11:52:48.145704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28d18cfd7273a8ffc865463575ac5e2eb036270e9e5e9ce445501bcfc9e7435d

Aliases

arxiv: 2505.22615 · arxiv_version: 2505.22615v1 · doi: 10.48550/arxiv.2505.22615 · pith_short_12: FDIYZ7LSOOUP · pith_short_16: FDIYZ7LSOOUP7SDF · pith_short_8: FDIYZ7LS

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/FDIYZ7LSOOUP7SDFIY2XLLC6F2 \
  | 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: 28d18cfd7273a8ffc865463575ac5e2eb036270e9e5e9ce445501bcfc9e7435d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66956af12b5320aca30522af92ea148aa26057854f2b1a5af141cf8fc1104f88",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-28T17:31:28Z",
    "title_canon_sha256": "7dbf96fff65bcb7c99df6dfa25dd2241dbab65b8c56e5da491321942033f661e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22615",
    "kind": "arxiv",
    "version": 1
  }
}