Soliac Matsimba
type: MusicGroup
genre: lullaby
popularity: 9
followers: 45
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x006181e7f4c78b7a8b8c56338dfc2c45fb5bf30ab36b540cf5ca90f00bbed465
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98ea98fc-f9ab-4c58-a185-ccbedcbd65f2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98ea98fc-f9ab-4c58-a185-ccbedcbd65f2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/98ea98fc-f9ab-4c58-a185-ccbedcbd65f2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x006181e7f4c78b7a8b8c56338dfc2c45fb5bf30ab36b540cf5ca90f00bbed465","name":"Soliac Matsimba","registered_at":"2026-06-17T18:48:46Z","symbol":"NIM1486274","token_address":"0x4ca892a25dc891edd3b804f719fbe5fb57ff52d8","type":"artist","uuid":"98ea98fc-f9ab-4c58-a185-ccbedcbd65f2"}
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 0x006181e7f4c78b7a8b8c56338dfc2c45fb5bf30ab36b540cf5ca90f00bbed465. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98ea98fc-f9ab-4c58-a185-ccbedcbd65f2.json and https://artists.proofprofile.net/proofs/artist/98ea98fc-f9ab-4c58-a185-ccbedcbd65f2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x006181e7f4c78b7a8b8c56338dfc2c45fb5bf30ab36b540cf5ca90f00bbed465","name":"Soliac Matsimba","registered_at":"2026-06-17T18:48:46Z","symbol":"NIM1486274","token_address":"0x4ca892a25dc891edd3b804f719fbe5fb57ff52d8","type":"artist","uuid":"98ea98fc-f9ab-4c58-a185-ccbedcbd65f2"}
album: Koukoulou elombé comptines et jeux du Congo Brazzaville
  type: MusicAlbum
  date published: 2023-11-10
album: Koukoulou Elombé Lullabies and Games from Congo
  type: MusicAlbum
  date published: 2023-11-10
album: Kirié Mama (Comptines du Congo)
  type: MusicAlbum
  date published: 2024-10-11
  track: Kirié Mama
    type: MusicRecording
    duration: PT1M55S
    duration ms: 115350
    explicit: false
    by artist: Soliac Matsimba
    in album: Kirié Mama (Comptines du Congo)
      type: MusicAlbum
      date published: 2024-10-11
    genre: lullaby
    isrc code: FRX022400401
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T20:00:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x467fc8b614f5ca77c4ab5a4ea2e83afa4509da9768ff077d2a4e615130f0b894
    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/FRX022400401
    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 0x467fc8b614f5ca77c4ab5a4ea2e83afa4509da9768ff077d2a4e615130f0b894. 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/FRX022400401.
      date published: 2026-07-05T01:12:41Z
    audio: Kirié Mama
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.095
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.799
      additional property: Energy
        type: PropertyValue
        value: 0.722
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.16
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.46
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.88
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.467
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Kirié Mama (Lullabies from Congo)
  type: MusicAlbum
  date published: 2024-10-11
  track: Kirié Mama
    type: MusicRecording
    duration: PT1M55S
    duration ms: 115350
    explicit: false
    by artist: Soliac Matsimba
    in album: Kirié Mama (Lullabies from Congo)
      type: MusicAlbum
      date published: 2024-10-11
    genre: lullaby
    isrc code: FRX022400401
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T20:00:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x467fc8b614f5ca77c4ab5a4ea2e83afa4509da9768ff077d2a4e615130f0b894
    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/FRX022400401
    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 0x467fc8b614f5ca77c4ab5a4ea2e83afa4509da9768ff077d2a4e615130f0b894. 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/FRX022400401.
      date published: 2026-07-05T01:12:41Z
    audio: Kirié Mama
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.095
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.799
      additional property: Energy
        type: PropertyValue
        value: 0.722
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.16
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Kimbambala Comptines du Congo
album: Kimbambala Lullabies from Congo

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.46

Valence (Positivity)
type: PropertyValue
value: 0.88

Loudness (dB)
type: PropertyValue
value: -8.467

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Kimbambala Comptines du Congo
type: MusicAlbum
date published: 2025-06-20
track: Congo
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119530
  explicit: false
  by artist: Soliac Matsimba
  in album: Kimbambala Comptines du Congo
    type: MusicAlbum
    date published: 2025-06-20
  genre: lullaby
  isrc code: FRX022500106
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T04:09:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe7ca60be90da555a166cd26bee77d768f71725cb2db5c26950a2776c10727abc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956894
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956894
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX022500106
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:53:57Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7ca60be90da555a166cd26bee77d768f71725cb2db5c26950a2776c10727abc. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/FRX022500106.
    date published: 2026-07-06T07:53:57Z
  audio: Congo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 173.744
    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: 0.66
    additional property: Energy
      type: PropertyValue
      value: 0.706
    additional property: Speechiness
      type: PropertyValue
      value: 0.105
    additional property: Acousticness
      type: PropertyValue
      value: 0.475
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.198
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.963
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.968
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Kimbambala Lullabies from Congo
type: MusicAlbum
date published: 2025-06-20