Pith Number

pith:RQWKU4DR

pith:2019:RQWKU4DRCGGDJPXKWKCGQGG2SO

not attested not anchored not stored refs pending

Relaxations of perturbations of spacetimes in general relativity coupled to nonlinear electrodynamics

Bobir Toshmatov, Bobomurat Ahmedov, Daniele Malafarina, Zden\v{e}k Stuchl\'ik

arxiv:1903.03778 v1 · 2019-03-09 · 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{RQWKU4DRCGGDJPXKWKCGQGG2SO}

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

Bardeen spacetime as quantum corrected black hole: Grey-body factors and quasinormal modes of gravitational perturbations

Receipt and verification

First computed	2026-05-17T23:50:02.283198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2caa7071118c34beeab2846818da93a74d4a00ef2e6041b67b3b0652fd5cf7

Aliases

arxiv: 1903.03778 · arxiv_version: 1903.03778v1 · doi: 10.48550/arxiv.1903.03778 · pith_short_12: RQWKU4DRCGGD · pith_short_16: RQWKU4DRCGGDJPXK · pith_short_8: RQWKU4DR

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/RQWKU4DRCGGDJPXKWKCGQGG2SO \
  | 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: 8c2caa7071118c34beeab2846818da93a74d4a00ef2e6041b67b3b0652fd5cf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beb21a850268b5e739c6261c304633bff0673b36f14a9ccaffdf0f934362b704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-09T10:52:18Z",
    "title_canon_sha256": "ab4966888603d9730eac44a9a1a1f0488cfaf941c7a89d855da7bcdb5ce06452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03778",
    "kind": "arxiv",
    "version": 1
  }
}