Mr Kaas
type: MusicGroup
genre: afro soul
genre: afroswing
popularity: 2
followers: 342
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b4878ca3704c2e1ed8174c177304525ae98e96de15f3f279c1d0bd1a8a216c4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1916c730-02d7-434c-bdaf-17b71fd57125.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1916c730-02d7-434c-bdaf-17b71fd57125.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1916c730-02d7-434c-bdaf-17b71fd57125
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4b4878ca3704c2e1ed8174c177304525ae98e96de15f3f279c1d0bd1a8a216c4","name":"Mr Kaas","registered_at":"2026-06-15T22:09:16Z","symbol":"NIM0846926","token_address":"0x44739a3fd140b4abb28be8ba456316cd58c84f10","type":"artist","uuid":"1916c730-02d7-434c-bdaf-17b71fd57125"}
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 0x4b4878ca3704c2e1ed8174c177304525ae98e96de15f3f279c1d0bd1a8a216c4. Chain 2 (Bitcoin): anchored in block 953911 (2026-06-16T08:03:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1916c730-02d7-434c-bdaf-17b71fd57125.json and https://artists.proofprofile.net/proofs/artist/1916c730-02d7-434c-bdaf-17b71fd57125.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T08:03:10Z
  text: {"copyright_id":"0x4b4878ca3704c2e1ed8174c177304525ae98e96de15f3f279c1d0bd1a8a216c4","name":"Mr Kaas","registered_at":"2026-06-15T22:09:16Z","symbol":"NIM0846926","token_address":"0x44739a3fd140b4abb28be8ba456316cd58c84f10","type":"artist","uuid":"1916c730-02d7-434c-bdaf-17b71fd57125"}
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