Pith Number

pith:63333U22

pith:2018:63333U22ZENT35ZIBBMEWWJY7G

not attested not anchored not stored refs pending

Electromagnetic perturbations of black holes in general relativity coupled to nonlinear electrodynamics

Bobir Toshmatov, Bobomurat Ahmedov, Jan Schee, Zden\v{e}k Stuchl\'ik

arxiv:1805.00240 v1 · 2018-05-01 · 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{63333U22ZENT35ZIBBMEWWJY7G}

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	2026-05-18T00:17:10.196851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6f7bdd35ac91b3df72808584b5938f9a9f6d8291fb311e2743670e58e45123d

Aliases

arxiv: 1805.00240 · arxiv_version: 1805.00240v1 · doi: 10.48550/arxiv.1805.00240 · pith_short_12: 63333U22ZENT · pith_short_16: 63333U22ZENT35ZI · pith_short_8: 63333U22

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/63333U22ZENT35ZIBBMEWWJY7G \
  | 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: f6f7bdd35ac91b3df72808584b5938f9a9f6d8291fb311e2743670e58e45123d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faa194197bbb2aa11418ad3bbb962e2642a2a8813a6a27a6cc27601fdaf74336",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-01T08:56:40Z",
    "title_canon_sha256": "38d900121079f17f328a4d5dbd55c3e41197982b1831d802a934aaea9bdf5156"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00240",
    "kind": "arxiv",
    "version": 1
  }
}