Victor and the Callers
type: MusicGroup
genre: kuduro
popularity: 9
followers: 280
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78b749ec14ddefe82a2fc4f7d74f9e4c81c6a83c154a3682f1ec7ca2912f1959
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c1063ff5-95b8-43f2-b3a5-45a9f667c348.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c1063ff5-95b8-43f2-b3a5-45a9f667c348.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c1063ff5-95b8-43f2-b3a5-45a9f667c348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x78b749ec14ddefe82a2fc4f7d74f9e4c81c6a83c154a3682f1ec7ca2912f1959","name":"Victor and the Callers","registered_at":"2026-06-20T19:16:20Z","symbol":"NIM1689178","token_address":"0xf8765fc1d8b249779d8a35a0fb1fe28154fe9e4c","type":"artist","uuid":"c1063ff5-95b8-43f2-b3a5-45a9f667c348"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b749ec14ddefe82a2fc4f7d74f9e4c81c6a83c154a3682f1ec7ca2912f1959. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c1063ff5-95b8-43f2-b3a5-45a9f667c348.json and https://artists.proofprofile.net/proofs/artist/c1063ff5-95b8-43f2-b3a5-45a9f667c348.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0x78b749ec14ddefe82a2fc4f7d74f9e4c81c6a83c154a3682f1ec7ca2912f1959","name":"Victor and the Callers","registered_at":"2026-06-20T19:16:20Z","symbol":"NIM1689178","token_address":"0xf8765fc1d8b249779d8a35a0fb1fe28154fe9e4c","type":"artist","uuid":"c1063ff5-95b8-43f2-b3a5-45a9f667c348"}
album: Bubbles
  type: MusicAlbum
  date published: 2024-05-22
album: Tell Her How
  type: MusicAlbum
  date published: 2024-07-08
album: Be My Guide
  type: MusicAlbum
  date published: 2024-08-06
  track: Be My Guide
    type: MusicRecording
    duration: PT5M10S
    duration ms: 310613
    explicit: false
    by artist: Victor and the Callers
    in album: Be My Guide
      type: MusicAlbum
      date published: 2024-08-06
    genre: kuduro
    isrc code: QZTAZ2410250
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T05:08:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1a965b97db9823f89f7a55b624dea2e5285abf98530ece9b21684e31193b8628
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958371
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958371
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAZ2410250
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T05:45:43Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a965b97db9823f89f7a55b624dea2e5285abf98530ece9b21684e31193b8628. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T05:45:43Z), 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/QZTAZ2410250.
      date published: 2026-07-17T05:45:43Z
    audio: Be My Guide
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94.939
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.715
      additional property: Energy
        type: PropertyValue
        value: 0.327
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.88
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.017
      additional property: Liveness
        type: PropertyValue
        value: 0.185
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.448
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.307
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Breathe Easy
  type: MusicAlbum
  date published: 2024-12-01
  track: Breathe Easy
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233240
    explicit: false
    by artist: Victor and the Callers
    in album: Breathe Easy
      type: MusicAlbum
      date published: 2024-12-01
    genre: kuduro
    isrc code: QZZ7M2457993
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T06:46:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb321597c7f4ff7bc44b01108a9313e81f638cac1875f10568ceb58e65dc162d5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7M2457993
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb321597c7f4ff7bc44b01108a9313e81f638cac1875f10568ceb58e65dc162d5. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZZ7M2457993.
      date published: 2026-07-04T10:04:33Z
    audio: Breathe Easy
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 108.144
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.595
      additional property: Energy
        type: PropertyValue
        value: 0.456
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.594
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Silent Winter
album: See You Again (Acoustic Version)
album: Camp Allegro
album: Lucid Dream

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.1

Valence (Positivity)
type: PropertyValue
value: 0.385

Loudness (dB)
type: PropertyValue
value: -9.044

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Minor

Silent Winter
type: MusicAlbum
date published: 2024-12-15
track: Silent Winter
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229597
  explicit: false
  by artist: Victor and the Callers
  in album: Silent Winter
    type: MusicAlbum
    date published: 2024-12-15
  genre: kuduro
  isrc code: QZZ7W2435234
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T22:04:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6cdad24858a7a412e8b2aad98cce19e7895ebfc292dd3d1184f95de3d91e8db4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7W2435234
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cdad24858a7a412e8b2aad98cce19e7895ebfc292dd3d1184f95de3d91e8db4. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZZ7W2435234.
    date published: 2026-07-06T01:25:57Z
  audio: Silent Winter
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 179.091
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.331
    additional property: Energy
      type: PropertyValue
      value: 0.489
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.702
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.087
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.366
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.248
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

See You Again (Acoustic Version)
type: MusicAlbum
date published: 2025-01-04
track: See You Again - Acoustic Version
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206089
  explicit: false
  by artist: Victor and the Callers
  in album: See You Again (Acoustic Version)
    type: MusicAlbum
    date published: 2025-01-04
  genre: kuduro
  isrc code: QT3F42464584
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T19:14:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x468171302d44709f6af5a3bc37165a537e29872bd161c420b153b33ffd81731a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959051
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959051
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3F42464584
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T19:48:03Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x468171302d44709f6af5a3bc37165a537e29872bd161c420b153b33ffd81731a. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/QT3F42464584.
    date published: 2026-07-21T19:48:03Z
  audio: See You Again - Acoustic Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.334
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.47
    additional property: Energy
      type: PropertyValue
      value: 0.277
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.937
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.011
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.266
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.258
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Camp Allegro
type: MusicAlbum
date published: 2025-02-12

Lucid Dream
type: MusicAlbum
date published: 2025-03-15