Pith Number

pith:WVPZKWPM

pith:2025:WVPZKWPMDM6HHEJICS4CXCV7Y5

not attested not anchored not stored refs pending

Relativistic compact stars coupled with dark energy in Heintzmann spacetime

Nayan Sarkar, Susmita Sarkar

arxiv:2508.10930 v1 · 2025-08-11 · 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{WVPZKWPMDM6HHEJICS4CXCV7Y5}

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	2026-07-05T11:54:15.565142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b55f9559ec1b3c73912814b82b8abfc7629593661bd5bc30bde005fa861c45ea

Aliases

arxiv: 2508.10930 · arxiv_version: 2508.10930v1 · doi: 10.48550/arxiv.2508.10930 · pith_short_12: WVPZKWPMDM6H · pith_short_16: WVPZKWPMDM6HHEJI · pith_short_8: WVPZKWPM

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/WVPZKWPMDM6HHEJICS4CXCV7Y5 \
  | 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: b55f9559ec1b3c73912814b82b8abfc7629593661bd5bc30bde005fa861c45ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1787d9d6e66e8cbf80c1e2dc0a2f9a85d6a9a86f21f937d58ae4412994ad608c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-08-11T22:08:51Z",
    "title_canon_sha256": "6ec1e913c6553c3e1ee640696df55c8bfa90877625ae89a0a0cc8cb2030d4e17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.10930",
    "kind": "arxiv",
    "version": 1
  }
}