{
 "scheme": "MERCURY-MINT-v1",
 "source": {
  "product_id": "CN1072716050M_IF_5",
  "source_edr": "EN1072716050M",
  "description": "MESSENGER MDIS NAC calibrated I/F, the final image returned by MESSENGER (image ID 8422953, NASA PIA19448)",
  "data_set_id": "MESS-E/V/H-MDIS-4-CDR-CALDATA-V1.0",
  "volume": "MSGRMDS_2001",
  "url": "https://planetarydata.jpl.nasa.gov/img/data/messenger/MSGRMDS_2001/CDR/2015_120/CN1072716050M_IF_5.IMG",
  "start_time_utc": "2015-04-30T11:07:43.368128",
  "bytes": 1058816,
  "sha256": "cec65107973de146a0dda7ee9fd30ccfec65554fcafc4f1230ccdb09c4ab7142",
  "md5": "7aac7b8b3aa04e3dd43a3572c9b67da6",
  "md5_source": "MSGRMDS_2001/INDEX/MD5.TAB"
 },
 "salt": "MERCURY-MINT-v1",
 "info": "CN1072716050M_IF_52015-04-30T11:07:43.368128",
 "derivation": "seed = HKDF-SHA256(ikm = entropy || mercury_hash, salt, info, L = 32); Ed25519 fromSeed; pubkey base58 = mint",
 "entropy_commitment_sha256": null,
 "entropy_revealed": null,
 "pubkey": null,
 "status": "awaiting commitment"
}