Rf51
type: MusicGroup
popularity: 3
followers: 96
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6da0aaa55f0b11ef408c62aa01c7f5f203c3863c3c2dc8551495b84db7ab15f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954063
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/47f9a2ae-be7b-49a9-9a83-1d8b191b7820.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/47f9a2ae-be7b-49a9-9a83-1d8b191b7820.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/47f9a2ae-be7b-49a9-9a83-1d8b191b7820
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:49:29Z
additional property: OTSCanonicalRecord
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 0xf6da0aaa55f0b11ef408c62aa01c7f5f203c3863c3c2dc8551495b84db7ab15f. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/47f9a2ae-be7b-49a9-9a83-1d8b191b7820.json and https://artists.proofprofile.net/proofs/artist/47f9a2ae-be7b-49a9-9a83-1d8b191b7820.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Kennerzinha
  type: MusicAlbum
  date published: 2023-06-20
album: Tambor Cheio
  type: MusicAlbum
  date published: 2024-08-23
album: Na Onda
  type: MusicAlbum
  date published: 2025-01-20
album: TU SABE
  type: MusicAlbum
  date published: 2025-02-20
  track: TU SABE
    type: MusicRecording
    duration: PT2M12S
    duration ms: 132923
    explicit: true
    by artist: Rf51
    in album: TU SABE
      type: MusicAlbum
      date published: 2025-02-20
    isrc code: BX4IU2502441
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T07:34:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0c9725d33ac1e25248530b1f760aca5dc4f6830726df226a4fd8d1094a742dd2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958384
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958384
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX4IU2502441
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T08:27:02Z
    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 0x0c9725d33ac1e25248530b1f760aca5dc4f6830726df226a4fd8d1094a742dd2. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/BX4IU2502441.
      date published: 2026-07-17T08:27:02Z
    audio: TU SABE
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.21
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.823
      additional property: Energy
        type: PropertyValue
        value: 0.566
      additional property: Speechiness
        type: PropertyValue
        value: 0.256
      additional property: Acousticness
        type: PropertyValue
        value: 0.369
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.116
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.942
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.481
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Tu Sabe
  type: MusicAlbum
  date published: 2025-02-20
album: ZERO LOVE
  type: MusicAlbum
  date published: 2025-04-10
  track: ZERO LOVE
    type: MusicRecording
    duration: PT2M7S
    duration ms: 127384
    explicit: true
    by artist: Rf51
    in album: ZERO LOVE
      type: MusicAlbum
      date published: 2025-04-10
    isrc code: BX4IU2505976
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T05:24:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcf3072348fbf48110da8ef582142494be60c0d22e7698641bbec7928b77a1aa2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958377
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958377
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX4IU2505976
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T06:48:00Z
    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 0xcf3072348fbf48110da8ef582142494be60c0d22e7698641bbec7928b77a1aa2. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/BX4IU2505976.
      date published: 2026-07-17T06:48:00Z
    audio: ZERO LOVE
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.543
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.618
      additional property: Energy
        type: PropertyValue
        value: 0.764
      additional property: Speechiness
        type: PropertyValue
        value: 0.322
      additional property: Acousticness
        type: PropertyValue
        value: 0.267
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Nova Novidade
album: NOVA NOVIDADE
album: PASSOU SORRIU MTG
album: AMOR MTG

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.098

Valence (Positivity)
type: PropertyValue
value: 0.57

Loudness (dB)
type: PropertyValue
value: -1.867

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Minor

Nova Novidade
type: MusicAlbum
date published: 2025-07-01

NOVA NOVIDADE
type: MusicAlbum
date published: 2025-09-17
track: PASSOU, SORRIU
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121865
  explicit: true
  by artist: Rf51
  in album: NOVA NOVIDADE
    type: MusicAlbum
    date published: 2025-09-17
  isrc code: BCE7P2503411
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T07:02:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0a1276df12ebe52584e3a8ebc5b1e9a0425e3ff3d723176f77b19c97b0957308
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956500
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956500
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCE7P2503411
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T13:55:21Z
  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 0x0a1276df12ebe52584e3a8ebc5b1e9a0425e3ff3d723176f77b19c97b0957308. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/BCE7P2503411.
    date published: 2026-07-03T13:55:21Z
  audio: PASSOU, SORRIU
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.718
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.705
    additional property: Energy
      type: PropertyValue
      value: 0.496
    additional property: Speechiness
      type: PropertyValue
      value: 0.171
    additional property: Acousticness
      type: PropertyValue
      value: 0.795
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.064
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.692
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.489
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

PASSOU SORRIU MTG
type: MusicAlbum
date published: 2025-10-23

AMOR MTG
type: MusicAlbum
date published: 2025-10-25