Pith. sign in
Pith Number

pith:CP4WDGJ4

pith:2021:CP4WDGJ42FKRIAFZHM37I3U4NV
not attested not anchored not stored refs pending

Nonlinear waves in a dispersive vacuum described with a high order derivative electromagnetic Lagrangian

Francesco Pegoraro, Sergei Bulanov

arxiv:2103.09744 v2 · 2021-03-17 · hep-th · physics.plasm-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CP4WDGJ42FKRIAFZHM37I3U4NV}

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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.
Receipt and verification
First computed 2026-07-05T02:41:18.070215Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

13f961993cd1551400b93b37f46e9c6d402a4111b3f8a72a71aadd9e7a0045cf

Aliases

arxiv: 2103.09744 · arxiv_version: 2103.09744v2 · doi: 10.48550/arxiv.2103.09744 · pith_short_12: CP4WDGJ42FKR · pith_short_16: CP4WDGJ42FKRIAFZ · pith_short_8: CP4WDGJ4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CP4WDGJ42FKRIAFZHM37I3U4NV \
  | 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: 13f961993cd1551400b93b37f46e9c6d402a4111b3f8a72a71aadd9e7a0045cf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e1627737ad419bd4090a1d6410fb74a1102190ffdcbde35722a2f6d8d50b26a5",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-03-17T16:10:09Z",
    "title_canon_sha256": "baa554fd9e14245f8ccafe434ab9d8c2fc0a5c854a8956cad0cbefaf1d672709"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.09744",
    "kind": "arxiv",
    "version": 2
  }
}