Ícaro SDR
type: MusicGroup
genre: portuguese hip hop
popularity: 2
followers: 164
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe56dbd526a060347804b77dafc653f0ee390d9efbf8dbbaf94044a88d974cdb2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954013
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954013
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/35404607-c2a8-4ed9-94e9-5bf3d82fefd2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/35404607-c2a8-4ed9-94e9-5bf3d82fefd2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/35404607-c2a8-4ed9-94e9-5bf3d82fefd2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T22:27:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe56dbd526a060347804b77dafc653f0ee390d9efbf8dbbaf94044a88d974cdb2","name":"Ícaro SDR","registered_at":"2026-06-16T08:04:38Z","symbol":"NIM0989129","token_address":"0x2ad6a89651f8e398760c1c884dd50e85044d42da","type":"artist","uuid":"35404607-c2a8-4ed9-94e9-5bf3d82fefd2"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe56dbd526a060347804b77dafc653f0ee390d9efbf8dbbaf94044a88d974cdb2. Chain 2 (Bitcoin): anchored in block 954013 (2026-06-16T22:27:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/35404607-c2a8-4ed9-94e9-5bf3d82fefd2.json and https://artists.proofprofile.net/proofs/artist/35404607-c2a8-4ed9-94e9-5bf3d82fefd2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:27:01Z
  text: {"copyright_id":"0xe56dbd526a060347804b77dafc653f0ee390d9efbf8dbbaf94044a88d974cdb2","name":"Ícaro SDR","registered_at":"2026-06-16T08:04:38Z","symbol":"NIM0989129","token_address":"0x2ad6a89651f8e398760c1c884dd50e85044d42da","type":"artist","uuid":"35404607-c2a8-4ed9-94e9-5bf3d82fefd2"}
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