Pith Number

pith:E4YKNHRP

pith:2021:E4YKNHRPPKRP7N3YEOL65K4ETF

not attested not anchored not stored refs pending

Causal Structure of Singularity in non-spherical Gravitational Collapse

Dipanjan Dey, Karim Mosani, Pankaj S. Joshi, Vitalii Vertogradov

arxiv:2103.07190 v2 · 2021-03-12 · 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{E4YKNHRPPKRP7N3YEOL65K4ETF}

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

Energy Extraction and Evolution of Regular Black Holes: The Case of Bardeen Spacetime

Receipt and verification

First computed	2026-07-05T04:25:41.003679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2730a69e2f7aa2ffb7782397eeab84995b895d0fc1c64e470d1dbe211301cef5

Aliases

arxiv: 2103.07190 · arxiv_version: 2103.07190v2 · doi: 10.48550/arxiv.2103.07190 · pith_short_12: E4YKNHRPPKRP · pith_short_16: E4YKNHRPPKRP7N3Y · pith_short_8: E4YKNHRP

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/E4YKNHRPPKRP7N3YEOL65K4ETF \
  | 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: 2730a69e2f7aa2ffb7782397eeab84995b895d0fc1c64e470d1dbe211301cef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f4dc8bee133c97b04e8fcfaa60fd056f68198849f512326bfce22bd6eb8048d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-03-12T10:23:08Z",
    "title_canon_sha256": "5b717da3448161e252f34b789bb5e3b0b78915742e932b7dfd27ec5ac36f8e7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.07190",
    "kind": "arxiv",
    "version": 2
  }
}