Pith Number

pith:THSPF4VK

pith:2025:THSPF4VKOLSR7T4SDULKS3WYAI

not attested not anchored not stored refs pending

Spontaneous ghostification: how a dying black hole comes back as a naked singularity

Alfio Bonanno, Samuele Silveravalle

arxiv:2505.20360 v1 · 2025-05-26 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{THSPF4VKOLSR7T4SDULKS3WYAI}

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	2026-07-05T11:10:11.734494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99e4f2f2aa72e51fcf921d16a96ed80210d8f6557fc60b42f0388d96adabb33f

Aliases

arxiv: 2505.20360 · arxiv_version: 2505.20360v1 · doi: 10.48550/arxiv.2505.20360 · pith_short_12: THSPF4VKOLSR · pith_short_16: THSPF4VKOLSR7T4S · pith_short_8: THSPF4VK

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/THSPF4VKOLSR7T4SDULKS3WYAI \
  | 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: 99e4f2f2aa72e51fcf921d16a96ed80210d8f6557fc60b42f0388d96adabb33f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b12a0392344c0064a0fa9f3b4a2dd7943d24094fdae4da248ac2b0a0c4adba29",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-05-26T08:31:40Z",
    "title_canon_sha256": "e00da2d6be7f405f0d11c4837023c61e52f2c788639f8c7b38f5dc137c805e8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20360",
    "kind": "arxiv",
    "version": 1
  }
}