Pith Number

pith:FRB6HTUE

pith:2026:FRB6HTUEI54VCPY2YOEKXO3GWL

not attested not anchored not stored refs pending

Charged Superradiant Instability of Spherically Symmetric Regular Black Holes in de Sitter Spacetime: Time- and Frequency-Domain Analysis

Haowei Chen, Hengyu Xu, Shao-Jun Zhang, Yizhi Zhan

arxiv:2602.00518 v1 · 2026-01-31 · 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{FRB6HTUEI54VCPY2YOEKXO3GWL}

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	2026-05-20T01:05:07.459931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c43e3ce844779513f1ac388abbb66b2f21a91910759648d071596558680a19c

Aliases

arxiv: 2602.00518 · arxiv_version: 2602.00518v1 · doi: 10.48550/arxiv.2602.00518 · pith_short_12: FRB6HTUEI54V · pith_short_16: FRB6HTUEI54VCPY2 · pith_short_8: FRB6HTUE

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/FRB6HTUEI54VCPY2YOEKXO3GWL \
  | 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: 2c43e3ce844779513f1ac388abbb66b2f21a91910759648d071596558680a19c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a716426d5167f75d91c1d0f5cdc8d7d166cdc5883cff205d028440376b532b41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-01-31T05:18:53Z",
    "title_canon_sha256": "f5d73d2dacc7814920a8d36fe14719db00945b30e32de82b0b30062bb22488dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.00518",
    "kind": "arxiv",
    "version": 1
  }
}