Mrco Music
type: MusicGroup
popularity: 3
followers: 24
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x308772a1c30cb1abd5a8a887f06d1c64b040304861aae96e9e61f2c0f85c5acb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d9295465-d65c-4a1f-a04a-e1bbce23980e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d9295465-d65c-4a1f-a04a-e1bbce23980e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d9295465-d65c-4a1f-a04a-e1bbce23980e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x308772a1c30cb1abd5a8a887f06d1c64b040304861aae96e9e61f2c0f85c5acb","name":"Mrco Music","registered_at":"2026-06-21T03:47:37Z","symbol":"NIM1809440","token_address":"0x215b0573c51f8f71508f6c6419ae42aeb43f070f","type":"artist","uuid":"d9295465-d65c-4a1f-a04a-e1bbce23980e"}
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 0x308772a1c30cb1abd5a8a887f06d1c64b040304861aae96e9e61f2c0f85c5acb. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d9295465-d65c-4a1f-a04a-e1bbce23980e.json and https://artists.proofprofile.net/proofs/artist/d9295465-d65c-4a1f-a04a-e1bbce23980e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0x308772a1c30cb1abd5a8a887f06d1c64b040304861aae96e9e61f2c0f85c5acb","name":"Mrco Music","registered_at":"2026-06-21T03:47:37Z","symbol":"NIM1809440","token_address":"0x215b0573c51f8f71508f6c6419ae42aeb43f070f","type":"artist","uuid":"d9295465-d65c-4a1f-a04a-e1bbce23980e"}
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2023-05-17
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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