What block height was the vasil hardfork?

Question

Additionally, did vasil correlate to a change of era for cardano?

Answer 1

The first block appears to be at slot 83548800 according to the /network/eras Blockfrost endpoint.

  {
    "start": {
      "time": 157680000,
      "slot": 72316800,
      "epoch": 365
    },
    "end": {
      "time": 168912000,
      "slot": 83548800,
      "epoch": 391
    },
    "parameters": {
      "epoch_length": 432000,
      "slot_length": 1,
      "safe_zone": 129600
    }

Yes, Vasil has been an era change from Alonzo to Babbage.