Pith Number

pith:2BT2QW6J

pith:2024:2BT2QW6JYWIOFD5TMWOMPUKHC4

not attested not anchored not stored refs pending

Neutron stars with a dark-energy core from the Chaplygin gas

Juan M. Z. Pretel, Mariana Dutra, Sergio B. Duarte

arxiv:2412.13568 v1 · 2024-12-18 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BT2QW6JYWIOFD5TMWOMPUKHC4}

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.

Cited by

1 paper in Pith

Dark energy stars from the modified Chaplygin gas: $C-I-\Lambda-E_g-f$ universal relations

Receipt and verification

First computed	2026-07-05T09:51:04.121473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d067a85bc9c590e28fb3659cc7d1471738771a2c81e82e4374c869a9cc2e7e27

Aliases

arxiv: 2412.13568 · arxiv_version: 2412.13568v1 · doi: 10.48550/arxiv.2412.13568 · pith_short_12: 2BT2QW6JYWIO · pith_short_16: 2BT2QW6JYWIOFD5T · pith_short_8: 2BT2QW6J

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/2BT2QW6JYWIOFD5TMWOMPUKHC4 \
  | 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: d067a85bc9c590e28fb3659cc7d1471738771a2c81e82e4374c869a9cc2e7e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5aa044ff448668c26f8c3b04ddf0b9674c5c3f7fb28b1980a6354110e7a9b29",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-12-18T07:35:09Z",
    "title_canon_sha256": "ee03d1ff85de3195b7fad6bfd323d8c017e71466ab9a33c51bc5bb449b7e9e7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.13568",
    "kind": "arxiv",
    "version": 1
  }
}