Pith. sign in
Pith Number

pith:5YM3Z225

pith:2022:5YM3Z2257WBCWUEG3WI5UEXIX7
not attested not anchored not stored refs pending

Like Black holes, Buchdahl stars cannot be extremalized

Naresh Dadhich, Sanjar Shaymatov

arxiv:2209.02560 v2 · 2022-09-06 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5YM3Z2257WBCWUEG3WI5UEXIX7}

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

Receipt and verification
First computed 2026-07-05T06:58:05.949602Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ee19bceb5dfd822b5086dd91da12e8bff5564008b5de4f67d306e30113e14525

Aliases

arxiv: 2209.02560 · arxiv_version: 2209.02560v2 · doi: 10.48550/arxiv.2209.02560 · pith_short_12: 5YM3Z2257WBC · pith_short_16: 5YM3Z2257WBCWUEG · pith_short_8: 5YM3Z225
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5YM3Z2257WBCWUEG3WI5UEXIX7 \
  | 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: ee19bceb5dfd822b5086dd91da12e8bff5564008b5de4f67d306e30113e14525
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "af3b8abd710b037fc9873c883ba1ec46607cf4db04d756dd9fdbb83c75538c4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-09-06T15:11:44Z",
    "title_canon_sha256": "d25f033bd273f881b3152dc0e2bdb847534849c6da547faa956ef9c14b83113d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.02560",
    "kind": "arxiv",
    "version": 2
  }
}