Pith Number

pith:O5KX24XC

pith:2025:O5KX24XCZXVNRVB7R4UONNOI3I

not attested not anchored not stored refs pending

Low-Mass Neutron Stars and Effective Phase Transitions from a Hybrid Van der Waals-Polytropic Equation of State

P. H. F. Arruda, S. D. Campos

arxiv:2512.08672 v1 · 2025-12-09 · astro-ph.HE · astro-ph.SR · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5KX24XCZXVNRVB7R4UONNOI3I}

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	2026-06-26T01:15:47.865554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77557d72e2cdead8d43f8f28e6b5c8da0f00f86ad23189245be59c9e54e8a037

Aliases

arxiv: 2512.08672 · arxiv_version: 2512.08672v1 · doi: 10.48550/arxiv.2512.08672 · pith_short_12: O5KX24XCZXVN · pith_short_16: O5KX24XCZXVNRVB7 · pith_short_8: O5KX24XC

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/O5KX24XCZXVNRVB7R4UONNOI3I \
  | 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: 77557d72e2cdead8d43f8f28e6b5c8da0f00f86ad23189245be59c9e54e8a037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55ea4c23977e572ca669f75d83664feac7ea2bbd908629a439eece4e43e1014e",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-12-09T14:55:22Z",
    "title_canon_sha256": "520b4ed2cf627c3e126871382bc7f148e17f8a9b44702dc04f10d3ea8222fa6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.08672",
    "kind": "arxiv",
    "version": 1
  }
}