pith. sign in
Pith Number

pith:QM6ZHEUW

pith:2026:QM6ZHEUW7EANRB5MHN2SIAOKRU
not attested not anchored not stored refs pending

Shadows of naked singularities and superspinars related to the revisited Kerr-de Sitter spacetimes

Daniel Charbul\'ak, Zden\v{e}k Stuchl\'ik

arxiv:2605.29049 v1 · 2026-05-27 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QM6ZHEUW7EANRB5MHN2SIAOKRU}

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 2026-05-29T01:04:44.479329Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

833d939296f900d887ac3b752401ca8d290c0f39dc2d70a8e0c999f1505ef76b

Aliases

arxiv: 2605.29049 · arxiv_version: 2605.29049v1 · doi: 10.48550/arxiv.2605.29049 · pith_short_12: QM6ZHEUW7EAN · pith_short_16: QM6ZHEUW7EANRB5M · pith_short_8: QM6ZHEUW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QM6ZHEUW7EANRB5MHN2SIAOKRU \
  | 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: 833d939296f900d887ac3b752401ca8d290c0f39dc2d70a8e0c999f1505ef76b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9f2f7bbd63c3b6a5815751dc302633ce6bb2d03d09062ea363390cf59d6bf1c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-05-27T19:53:36Z",
    "title_canon_sha256": "a87b0f13082db1f6949d539c48f1b4df1ee7bef69bfffacd479ec95544d2a369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29049",
    "kind": "arxiv",
    "version": 1
  }
}