Tsuguru Nakayama
type: MusicGroup
popularity: 7
followers: 552
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78db78c2a4583c18bfe33c47fae3e3c6c8c6c945b391b28fd4ec80cde0bd7255
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e699ff66-3603-47c4-9546-c8b5cacb2a11.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e699ff66-3603-47c4-9546-c8b5cacb2a11.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e699ff66-3603-47c4-9546-c8b5cacb2a11
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x78db78c2a4583c18bfe33c47fae3e3c6c8c6c945b391b28fd4ec80cde0bd7255","name":"Tsuguru Nakayama","registered_at":"2026-06-21T08:42:11Z","symbol":"NIM1878494","token_address":"0x16b58b771ec5a75646d77186a453040000a5e831","type":"artist","uuid":"e699ff66-3603-47c4-9546-c8b5cacb2a11"}
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 0x78db78c2a4583c18bfe33c47fae3e3c6c8c6c945b391b28fd4ec80cde0bd7255. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e699ff66-3603-47c4-9546-c8b5cacb2a11.json and https://artists.proofprofile.net/proofs/artist/e699ff66-3603-47c4-9546-c8b5cacb2a11.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x78db78c2a4583c18bfe33c47fae3e3c6c8c6c945b391b28fd4ec80cde0bd7255","name":"Tsuguru Nakayama","registered_at":"2026-06-21T08:42:11Z","symbol":"NIM1878494","token_address":"0x16b58b771ec5a75646d77186a453040000a5e831","type":"artist","uuid":"e699ff66-3603-47c4-9546-c8b5cacb2a11"}
album: Rest
  type: MusicAlbum
  date published: 2019-06-22
album: Grateful
  type: MusicAlbum
  date published: 2020-06-12
album: Loved
  type: MusicAlbum
  date published: 2021-01-06
album: 愛する子よ
  type: MusicAlbum
  date published: 2025-08-02
  track: 愛する子よ
    type: MusicRecording
    duration: PT5M39S
    duration ms: 339006
    explicit: false
    by artist: Tsuguru Nakayama
    in album: 愛する子よ
      type: MusicAlbum
      date published: 2025-08-02
    isrc code: TCJPK2513284
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T06:18:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcc33242b9f816a1c424b71dcf01c8aeae54b3c6bcc013375acf472c653e813fd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958256
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958256
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2513284
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T07:22:18Z
    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 0xcc33242b9f816a1c424b71dcf01c8aeae54b3c6bcc013375acf472c653e813fd. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/TCJPK2513284.
      date published: 2026-07-16T07:22:18Z
    audio: 愛する子よ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.049
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.554
      additional property: Energy
        type: PropertyValue
        value: 0.35
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.628
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.147
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.194
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.892
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Aisuru ko yo
  type: MusicAlbum
  date published: 2025-08-02
album: Gotta Praise Him
  type: MusicAlbum
  date published: 2025-08-27
album: Gotta Praise Him
  type: MusicAlbum
  date published: 2025-08-27
  track: Gotta Praise Him
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166500
    explicit: false
    by artist: Tsuguru Nakayama
    in album: Gotta Praise Him
      type: MusicAlbum
      date published: 2025-08-27
    isrc code: TCJPL2500940
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T18:09:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x214f2f0e41ec22f966bb7faa7bf24498588015f274c93d5e9c69d4182e4330e4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957820
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957820
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2500940
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T07:54:01Z
    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 0x214f2f0e41ec22f966bb7faa7bf24498588015f274c93d5e9c69d4182e4330e4. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/TCJPL2500940.
      date published: 2026-07-13T07:54:01Z
    audio: Gotta Praise Him
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.002
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.624
      additional property: Energy
        type: PropertyValue
        value: 0.8
      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: Living Water

Speechiness
type: PropertyValue
value: 0.05

Acousticness
type: PropertyValue
value: 0.006

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.046

Valence (Positivity)
type: PropertyValue
value: 0.764

Loudness (dB)
type: PropertyValue
value: -6.752

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Living Water
type: MusicAlbum
date published: 2025-10-04

Living Water
type: MusicAlbum
date published: 2025-10-04