Pith Number

pith:U2X2XC4Z

pith:2025:U2X2XC4ZHLXL6KUOD5J5UAL3ML

not attested not anchored not stored refs pending

The Sun's Dark Core: Helioseismic and neutrino flux constraints on a compact solar center

Earl Patrick Bellinger, Matt E. Caplan

arxiv:2505.01503 v1 · 2025-05-02 · astro-ph.SR · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2X2XC4ZHLXL6KUOD5J5UAL3ML}

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	2026-07-05T10:57:59.064262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6afab8b993aeebf2a8e1f53da017b62f0ebb61d588233501e2608d07c8c9f25

Aliases

arxiv: 2505.01503 · arxiv_version: 2505.01503v1 · doi: 10.48550/arxiv.2505.01503 · pith_short_12: U2X2XC4ZHLXL · pith_short_16: U2X2XC4ZHLXL6KUO · pith_short_8: U2X2XC4Z

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/U2X2XC4ZHLXL6KUOD5J5UAL3ML \
  | 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: a6afab8b993aeebf2a8e1f53da017b62f0ebb61d588233501e2608d07c8c9f25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd39df4fd549b23db83abe909e345059264f459155fa4cc4f5ea3f85b04a98a5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-02T18:00:01Z",
    "title_canon_sha256": "4d9ffb83fd3b0336dfc46b02f060fe1a4389942c29d09785fd8f80046f90309f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01503",
    "kind": "arxiv",
    "version": 1
  }
}