Mac Mjr
type: MusicGroup
popularity: 4
followers: 30
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cb8772214a8e8d195bb310a23ccb800321cc5e1fedab505037e6d0a114cc051
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953984
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953984
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2d44ec90-be53-4bf7-bd1c-a845bd8b7ea5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2d44ec90-be53-4bf7-bd1c-a845bd8b7ea5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2d44ec90-be53-4bf7-bd1c-a845bd8b7ea5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T18:08:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8cb8772214a8e8d195bb310a23ccb800321cc5e1fedab505037e6d0a114cc051","name":"Mac Mjr","registered_at":"2026-06-16T05:19:14Z","symbol":"NIM0949621","token_address":"0xdf34245f542bd2609188909fa04000ed3311940a","type":"artist","uuid":"2d44ec90-be53-4bf7-bd1c-a845bd8b7ea5"}
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 0x8cb8772214a8e8d195bb310a23ccb800321cc5e1fedab505037e6d0a114cc051. Chain 2 (Bitcoin): anchored in block 953984 (2026-06-16T18:08:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2d44ec90-be53-4bf7-bd1c-a845bd8b7ea5.json and https://artists.proofprofile.net/proofs/artist/2d44ec90-be53-4bf7-bd1c-a845bd8b7ea5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T18:08:34Z
  text: {"copyright_id":"0x8cb8772214a8e8d195bb310a23ccb800321cc5e1fedab505037e6d0a114cc051","name":"Mac Mjr","registered_at":"2026-06-16T05:19:14Z","symbol":"NIM0949621","token_address":"0xdf34245f542bd2609188909fa04000ed3311940a","type":"artist","uuid":"2d44ec90-be53-4bf7-bd1c-a845bd8b7ea5"}
album: Maloqueira Zica
  type: MusicAlbum
  date published: 2015
album: XCII
  type: MusicAlbum
  date published: 2025-01-14
album: Whisky e Você
  type: MusicAlbum
  date published: 2025-04-10
album: Morte Viva
  type: MusicAlbum
  date published: 2025-06-27
  track: Morte Viva
    type: MusicRecording
    duration: PT2M11S
    duration ms: 131817
    explicit: false
    by artist: Mac Mjr
    in album: Morte Viva
      type: MusicAlbum
      date published: 2025-06-27
    isrc code: BK9MU2500009
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T06:43:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa97f2a280b230bf2cb40eed8fc3ddfee471213f5390aad7c69ff82146e2b86de
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BK9MU2500009
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97f2a280b230bf2cb40eed8fc3ddfee471213f5390aad7c69ff82146e2b86de. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BK9MU2500009.
      date published: 2026-07-05T10:01:46Z
    audio: Morte Viva
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.231
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.645
      additional property: Energy
        type: PropertyValue
        value: 0.479
      additional property: Speechiness
        type: PropertyValue
        value: 0.175
      additional property: Acousticness
        type: PropertyValue
        value: 0.227
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.132
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.261
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.734
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Seja Feliz
  type: MusicAlbum
  date published: 2025-06-28
album: Amor e ódio
  type: MusicAlbum
  date published: 2025-10-25