ECA Music Group
type: MusicGroup
popularity: 4
followers: 124
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8d50fe6f6f696e1d79379b9bb0a6e6b3f867b8fc32c34c28102e4b0640c1555
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aa57ed4a-2911-4c3a-aaf9-5208250091d5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aa57ed4a-2911-4c3a-aaf9-5208250091d5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aa57ed4a-2911-4c3a-aaf9-5208250091d5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T10:56:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc8d50fe6f6f696e1d79379b9bb0a6e6b3f867b8fc32c34c28102e4b0640c1555","name":"ECA Music Group","registered_at":"2026-06-20T09:34:01Z","symbol":"NIM1580269","token_address":"0x197e6403cafc0b45d0476b74c53420f4b9d1275d","type":"artist","uuid":"aa57ed4a-2911-4c3a-aaf9-5208250091d5"}
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 0xc8d50fe6f6f696e1d79379b9bb0a6e6b3f867b8fc32c34c28102e4b0640c1555. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aa57ed4a-2911-4c3a-aaf9-5208250091d5.json and https://artists.proofprofile.net/proofs/artist/aa57ed4a-2911-4c3a-aaf9-5208250091d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0xc8d50fe6f6f696e1d79379b9bb0a6e6b3f867b8fc32c34c28102e4b0640c1555","name":"ECA Music Group","registered_at":"2026-06-20T09:34:01Z","symbol":"NIM1580269","token_address":"0x197e6403cafc0b45d0476b74c53420f4b9d1275d","type":"artist","uuid":"aa57ed4a-2911-4c3a-aaf9-5208250091d5"}
album: Yandirimbo
  type: MusicAlbum
  date published: 2023-07-23
album: Tamasha
  type: MusicAlbum
  date published: 2024-10-29
album: Mwema
  type: MusicAlbum
  date published: 2024-12-27
  track: Mwema
    type: MusicRecording
    duration: PT4M46S
    duration ms: 286495
    explicit: false
    by artist: ECA Music Group
    in album: Mwema
      type: MusicAlbum
      date published: 2024-12-27
    isrc code: QT3F22493203
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T07:38:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc47c3ca774d722469b2eefb0f89149ef17bcbc545c05a037e9ab427ae76c0560
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3F22493203
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0xc47c3ca774d722469b2eefb0f89149ef17bcbc545c05a037e9ab427ae76c0560. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QT3F22493203.
      date published: 2026-07-04T11:19:20Z
    audio: Mwema
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.031
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.574
      additional property: Energy
        type: PropertyValue
        value: 0.717
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.446
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.136
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.633
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.129
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Kwa Ajili Yako
  type: MusicAlbum
  date published: 2025-07-11
  track: Kwa Ajili Yako
    type: MusicRecording
    duration: PT3M55S
    duration ms: 235060
    explicit: false
    by artist: ECA Music Group
    in album: Kwa Ajili Yako
      type: MusicAlbum
      date published: 2025-07-11
    isrc code: QZWFF2539707
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T03:06:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x05ba978265435624617d113565b403a34a0a374d45848e35e2b942b8fe15bfa4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956776
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFF2539707
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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 0x05ba978265435624617d113565b403a34a0a374d45848e35e2b942b8fe15bfa4. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZWFF2539707.
      date published: 2026-07-05T10:59:37Z
    audio: Kwa Ajili Yako
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.985
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.756
      additional property: Energy
        type: PropertyValue
        value: 0.5
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.527
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Wimbo Wa Ushindi
album: Penda
album: Nimeumbika

Liveness
type: PropertyValue
value: 0.05

Valence (Positivity)
type: PropertyValue
value: 0.876

Loudness (dB)
type: PropertyValue
value: -10.41

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Wimbo Wa Ushindi
type: MusicAlbum
date published: 2025-08-29
track: Wimbo Wa Ushindi
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251395
  explicit: false
  by artist: ECA Music Group
  in album: Wimbo Wa Ushindi
    type: MusicAlbum
    date published: 2025-08-29
  isrc code: QZZ7N2530819
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T13:35:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd41132aa04e3a732abc35d3c4e03d7e061e0571d3f93e77d894a5d9a6b416032
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958163
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958163
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7N2530819
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T16:37:08Z
  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 0xd41132aa04e3a732abc35d3c4e03d7e061e0571d3f93e77d894a5d9a6b416032. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:37:08Z), 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/QZZ7N2530819.
    date published: 2026-07-15T16:37:08Z
  audio: Wimbo Wa Ushindi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 160.949
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.528
    additional property: Energy
      type: PropertyValue
      value: 0.498
    additional property: Speechiness
      type: PropertyValue
      value: 0.123
    additional property: Acousticness
      type: PropertyValue
      value: 0.713
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.571
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.354
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Penda
type: MusicAlbum
date published: 2025-10-10

Nimeumbika
type: MusicAlbum
date published: 2025-10-31