Pith Number

pith:MBDQVJJ7

pith:2020:MBDQVJJ7FW45XGV5BFKWNSR7MR

not attested not anchored not stored refs pending

Nonsingular Black Holes in $4D$ Einstein--Gauss--Bonnet Gravity

Arun Kumar, Dharmanand Baboolal, Sushant G. Ghosh

arxiv:2004.01131 v2 · 2020-04-02 · 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{MBDQVJJ7FW45XGV5BFKWNSR7MR}

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

2 papers in Pith

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A$^*$

Thermodynamics and phase transitions of charged-AdS black holes in dRGT massive gravity with nonlinear electrodynamics

Receipt and verification

First computed	2026-07-05T04:15:06.655471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60470aa53f2db9db9abd095566ca3f644d887b6e0e3263bb27910acda3f70482

Aliases

arxiv: 2004.01131 · arxiv_version: 2004.01131v2 · doi: 10.48550/arxiv.2004.01131 · pith_short_12: MBDQVJJ7FW45 · pith_short_16: MBDQVJJ7FW45XGV5 · pith_short_8: MBDQVJJ7

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/MBDQVJJ7FW45XGV5BFKWNSR7MR \
  | 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: 60470aa53f2db9db9abd095566ca3f644d887b6e0e3263bb27910acda3f70482

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fa54b3c8df3853d6f1d8666557948f39240e54d0ddc9160b4364b0317a7bc8b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-02T17:00:00Z",
    "title_canon_sha256": "8b413f73367597a14a92a2ab80fb5a67e05d20d476a36aafbcfefcf6193814bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01131",
    "kind": "arxiv",
    "version": 2
  }
}