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Pith Number

pith:ITN4BE2A

pith:2018:ITN4BE2AMEDU2UHROBDJHDDZUV
not attested not anchored not stored refs pending

Separation of variables in Maxwell equations in Plebanski-Demianski spacetime

David Kubiz\v{n}\'ak, Pavel Krtou\v{s}, Valeri P. Frolov

arxiv:1802.09491 v2 · 2018-02-26 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ITN4BE2AMEDU2UHROBDJHDDZUV}

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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

Receipt and verification
First computed 2026-05-18T00:14:59.447587Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

44dbc0934061074d50f17046938c79a54accd88c287c7cbd884feee343614133

Aliases

arxiv: 1802.09491 · arxiv_version: 1802.09491v2 · doi: 10.48550/arxiv.1802.09491 · pith_short_12: ITN4BE2AMEDU · pith_short_16: ITN4BE2AMEDU2UHR · pith_short_8: ITN4BE2A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ITN4BE2AMEDU2UHROBDJHDDZUV \
  | 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: 44dbc0934061074d50f17046938c79a54accd88c287c7cbd884feee343614133
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7c027cc51c3a045579606f426e9744d438b1fb66eafa7e7bddc3c936a9e10f65",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-02-26T18:14:31Z",
    "title_canon_sha256": "3c24f1321a9f557661841581f530f914389d50c9d3e915f1865362f1bb9d89bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09491",
    "kind": "arxiv",
    "version": 2
  }
}