Maki Yuoma
type: MusicGroup
genre: japanese classical
popularity: 28
followers: 614
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6bd933e0fa187f4d21bb3dbcdf651677640cc787ab8efa4ad1f2d2aa26a9f15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d6ce8c3-9c00-4b53-a130-a911e81a3149.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d6ce8c3-9c00-4b53-a130-a911e81a3149.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1d6ce8c3-9c00-4b53-a130-a911e81a3149
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc6bd933e0fa187f4d21bb3dbcdf651677640cc787ab8efa4ad1f2d2aa26a9f15","name":"Maki Yuoma","registered_at":"2026-06-11T13:44:43Z","symbol":"NIM0038665","token_address":"0x640be4afbff566737d04c2b5fcfe3f3df88a6050","type":"artist","uuid":"1d6ce8c3-9c00-4b53-a130-a911e81a3149"}
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 0xc6bd933e0fa187f4d21bb3dbcdf651677640cc787ab8efa4ad1f2d2aa26a9f15. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d6ce8c3-9c00-4b53-a130-a911e81a3149.json and https://artists.proofprofile.net/proofs/artist/1d6ce8c3-9c00-4b53-a130-a911e81a3149.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xc6bd933e0fa187f4d21bb3dbcdf651677640cc787ab8efa4ad1f2d2aa26a9f15","name":"Maki Yuoma","registered_at":"2026-06-11T13:44:43Z","symbol":"NIM0038665","token_address":"0x640be4afbff566737d04c2b5fcfe3f3df88a6050","type":"artist","uuid":"1d6ce8c3-9c00-4b53-a130-a911e81a3149"}
album: I Keep Clinging To Close
  type: MusicAlbum
  date published: 2017-07-06
album: Returning Background
  type: MusicAlbum
  date published: 2019-10-29
  track: Some Day My Prince Will Come
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159642
    explicit: false
    by artist: Maki Yuoma
    in album: Returning Background
      type: MusicAlbum
      date published: 2019-10-29
    genre: japanese classical
    isrc code: SE4RG1937802
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T10:12:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4e40ec08638f685455fbfd4f3bd93456a84a27ebe21d0051a1a39bb68b4da72f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957852
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957852
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE4RG1937802
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T11:25:45Z
    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 0x4e40ec08638f685455fbfd4f3bd93456a84a27ebe21d0051a1a39bb68b4da72f. Chain 2 (Bitcoin): anchored in block 957852 (2026-07-13T11:25:45Z), 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/SE4RG1937802.
      date published: 2026-07-13T11:25:45Z
    audio: Some Day My Prince Will Come
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 81.429
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.459
      additional property: Energy
        type: PropertyValue
        value: 0.015
      additional property: Speechiness
        type: PropertyValue
        value: 0.056
      additional property: Acousticness
        type: PropertyValue
        value: 0.993
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.91
      additional property: Liveness
        type: PropertyValue
        value: 0.102
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.044
      additional property: Loudness (dB)
        type: PropertyValue
        value: -22.381
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major