A Musical Circle Time
type: MusicGroup
popularity: 11
followers: 660
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecb2972e771630cc0e1b49a0a5025ba3cb7b9c3a6f08a266989fb9d7726d7b64
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953592
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953592
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/03eaa4aa-b073-4992-a149-dcebd1a22603.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/03eaa4aa-b073-4992-a149-dcebd1a22603.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/03eaa4aa-b073-4992-a149-dcebd1a22603
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T05:36:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xecb2972e771630cc0e1b49a0a5025ba3cb7b9c3a6f08a266989fb9d7726d7b64","name":"A Musical Circle Time","registered_at":"2026-06-14T04:51:41Z","symbol":"NIM0344103","token_address":"0x9452719b7a7d448161ad9b3bbe7321d136f27635","type":"artist","uuid":"03eaa4aa-b073-4992-a149-dcebd1a22603"}
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 0xecb2972e771630cc0e1b49a0a5025ba3cb7b9c3a6f08a266989fb9d7726d7b64. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/03eaa4aa-b073-4992-a149-dcebd1a22603.json and https://artists.proofprofile.net/proofs/artist/03eaa4aa-b073-4992-a149-dcebd1a22603.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T05:36:59Z
  text: {"copyright_id":"0xecb2972e771630cc0e1b49a0a5025ba3cb7b9c3a6f08a266989fb9d7726d7b64","name":"A Musical Circle Time","registered_at":"2026-06-14T04:51:41Z","symbol":"NIM0344103","token_address":"0x9452719b7a7d448161ad9b3bbe7321d136f27635","type":"artist","uuid":"03eaa4aa-b073-4992-a149-dcebd1a22603"}
album: Good Morning
  type: MusicAlbum
  date published: 2023-07-03
album: What's the Weather?
  type: MusicAlbum
  date published: 2023-07-03
album: Welcome to the Circle Time
  type: MusicAlbum
  date published: 2023-07-03
album: Goodbye Song
  type: MusicAlbum
  date published: 2023-07-04
  track: Goodbye Song
    type: MusicRecording
    duration: PT1M41S
    duration ms: 101722
    explicit: false
    by artist: A Musical Circle Time
    in album: Goodbye Song
      type: MusicAlbum
      date published: 2023-07-04
    isrc code: QZTB72307501
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T05:42:59+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x38ab1b235e73400eb0d6893f210413f29f9d8d5fe458cfdc13e6a9b00b0cf247
    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/QZTB72307501
    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 0x38ab1b235e73400eb0d6893f210413f29f9d8d5fe458cfdc13e6a9b00b0cf247. 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/QZTB72307501.
      date published: 2026-07-05T10:59:37Z
    audio: Goodbye Song
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.043
      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: 0.746
      additional property: Energy
        type: PropertyValue
        value: 0.643
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.126
      additional property: Liveness
        type: PropertyValue
        value: 0.261
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.51
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.566
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Tap Your Tambourine
  type: MusicAlbum
  date published: 2023-07-05
album: Little Froggy
  type: MusicAlbum
  date published: 2023-07-15
album: Triangle
  type: MusicAlbum
  date published: 2023-07-16
album: Xylophone Song
  type: MusicAlbum
  date published: 2023-07-18
album: The Master of the Sea
  type: MusicAlbum
  date published: 2023-12-01
album: Drum Song
  type: MusicAlbum
  date published: 2024-04-12
  track: Drum Song
    type: MusicRecording
    duration: PT2M8S
    duration ms: 128893
    explicit: false
    by artist: A Musical Circle Time
    in album: Drum Song
      type: MusicAlbum
      date published: 2024-04-12
    isrc code: QZK6P2459234
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T20:07:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0f60b5d18638895a5d58644e440e0e9ca63669c2220ace5d605e27589a944a12
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958690
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958690
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2459234
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T07:14:39Z
    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 0x0f60b5d18638895a5d58644e440e0e9ca63669c2220ace5d605e27589a944a12. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZK6P2459234.
      date published: 2026-07-19T07:14:39Z
    audio: Drum Song
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.136
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      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: Hello Song (Accompaniment)
album: Hello Song

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.73

Energy
type: PropertyValue
value: 0.873

Speechiness
type: PropertyValue
value: 0.07

Acousticness
type: PropertyValue
value: 0.026

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.328

Valence (Positivity)
type: PropertyValue
value: 0.458

Loudness (dB)
type: PropertyValue
value: -7.716

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Hello Song (Accompaniment)
type: MusicAlbum
date published: 2024-07-24
track: Hello Song (Accompaniment)
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127384
  explicit: false
  by artist: A Musical Circle Time
  in album: Hello Song (Accompaniment)
    type: MusicAlbum
    date published: 2024-07-24
  isrc code: QZTAX2431924
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T11:56:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xade4beaea5fbb638406d055ba5ae65f9f7b737fe6e7aa32891a958da604ee9b8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAX2431924
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  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 0xade4beaea5fbb638406d055ba5ae65f9f7b737fe6e7aa32891a958da604ee9b8. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZTAX2431924.
    date published: 2026-07-17T19:12:23Z
  audio: Hello Song (Accompaniment)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.053
    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: 0.868
    additional property: Energy
      type: PropertyValue
      value: 0.479
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.018
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.087
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.863
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.179
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Hello Song
type: MusicAlbum
date published: 2024-07-24