MCM Oficial
type: MusicGroup
popularity: 6
followers: 314
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7798971a692231f3877d6190448cbcdcc12a21b0cddeb6b360303fdbbff8c223
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a69a1368-2104-4f0b-888f-5bf418da755c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a69a1368-2104-4f0b-888f-5bf418da755c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a69a1368-2104-4f0b-888f-5bf418da755c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7798971a692231f3877d6190448cbcdcc12a21b0cddeb6b360303fdbbff8c223","name":"MCM Oficial","registered_at":"2026-06-20T07:31:52Z","symbol":"NIM1555182","token_address":"0xe03ab3907b11f85c75a80f799b15a4baf45245b6","type":"artist","uuid":"a69a1368-2104-4f0b-888f-5bf418da755c"}
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 0x7798971a692231f3877d6190448cbcdcc12a21b0cddeb6b360303fdbbff8c223. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a69a1368-2104-4f0b-888f-5bf418da755c.json and https://artists.proofprofile.net/proofs/artist/a69a1368-2104-4f0b-888f-5bf418da755c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x7798971a692231f3877d6190448cbcdcc12a21b0cddeb6b360303fdbbff8c223","name":"MCM Oficial","registered_at":"2026-06-20T07:31:52Z","symbol":"NIM1555182","token_address":"0xe03ab3907b11f85c75a80f799b15a4baf45245b6","type":"artist","uuid":"a69a1368-2104-4f0b-888f-5bf418da755c"}
album: Geração do IPhone
  type: MusicAlbum
  date published: 2023-02-20
album: Namoro é sacrifício
  type: MusicAlbum
  date published: 2023-03-28
album: Fenomenal
  type: MusicAlbum
  date published: 2023-07-11
album: O Perfume
  type: MusicAlbum
  date published: 2024-05-09
album: Mata Aula 6
  type: MusicAlbum
  date published: 2024-11-24
  track: Mata Aula 6
    type: MusicRecording
    duration: PT2M20S
    duration ms: 140250
    explicit: false
    by artist: MCM Oficial
    in album: Mata Aula 6
      type: MusicAlbum
      date published: 2024-11-24
    isrc code: TCAJA2491032
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T14:28:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5a66adbb6180bf58f10f1ef28b5e9cd8fe6379b4565701ef59887aca68e7cfe4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959024
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959024
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJA2491032
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T17:30:09Z
    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 0x5a66adbb6180bf58f10f1ef28b5e9cd8fe6379b4565701ef59887aca68e7cfe4. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T17:30:09Z), 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/TCAJA2491032.
      date published: 2026-07-21T17:30:09Z
    audio: Mata Aula 6
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 148.127
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.788
      additional property: Energy
        type: PropertyValue
        value: 0.489
      additional property: Speechiness
        type: PropertyValue
        value: 0.258
      additional property: Acousticness
        type: PropertyValue
        value: 0.834
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.103
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.95
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.478
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Antes da Fama
  type: MusicAlbum
  date published: 2024-12-01
album: Mata Aula 6
  type: MusicAlbum
  date published: 2025-02-04
  track: Mata Aula 6
    type: MusicRecording
    duration: PT2M23S
    duration ms: 143400
    explicit: false
    by artist: MCM Oficial
    in album: Mata Aula 6
      type: MusicAlbum
      date published: 2025-02-04
    isrc code: USLZJ2578835
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T12:27:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5513ae4af0c0f7be031cd1b0d82814368b9ab69089521278e3d84bb6a1fe96a8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ2578835
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0x5513ae4af0c0f7be031cd1b0d82814368b9ab69089521278e3d84bb6a1fe96a8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USLZJ2578835.
      date published: 2026-07-05T01:12:41Z
    audio: Mata Aula 6
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 147.973
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.759
      additional property: Energy
        type: PropertyValue
        value: 0.487
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Não Namoro

Speechiness
type: PropertyValue
value: 0.26

Acousticness
type: PropertyValue
value: 0.838

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.081

Valence (Positivity)
type: PropertyValue
value: 0.954

Loudness (dB)
type: PropertyValue
value: -13.589

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Não Namoro
type: MusicAlbum
date published: 2025-09-30