スワンスワンズ
type: MusicGroup
popularity: 2
followers: 156
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ec6fd6e8762e332fe28cf1f90a159d5b540d98f873a90de999dac9bb7903593
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953895
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953895
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0e48a008-70e4-47a4-acba-fa85bda939a0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0e48a008-70e4-47a4-acba-fa85bda939a0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0e48a008-70e4-47a4-acba-fa85bda939a0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T05:46:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2ec6fd6e8762e332fe28cf1f90a159d5b540d98f873a90de999dac9bb7903593","name":"スワンスワンズ","registered_at":"2026-06-15T18:44:48Z","symbol":"NIM0798186","token_address":"0xbeac604d5331322abf059d7e2360bb5863e36ac8","type":"artist","uuid":"0e48a008-70e4-47a4-acba-fa85bda939a0"}
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 0x2ec6fd6e8762e332fe28cf1f90a159d5b540d98f873a90de999dac9bb7903593. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0e48a008-70e4-47a4-acba-fa85bda939a0.json and https://artists.proofprofile.net/proofs/artist/0e48a008-70e4-47a4-acba-fa85bda939a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x2ec6fd6e8762e332fe28cf1f90a159d5b540d98f873a90de999dac9bb7903593","name":"スワンスワンズ","registered_at":"2026-06-15T18:44:48Z","symbol":"NIM0798186","token_address":"0xbeac604d5331322abf059d7e2360bb5863e36ac8","type":"artist","uuid":"0e48a008-70e4-47a4-acba-fa85bda939a0"}
album: ムーンナイトフィナーレ
  type: MusicAlbum
  date published: 2023-01-14
album: スワンズ・セレナーデ
  type: MusicAlbum
  date published: 2023-04-17
album: 渚のサマーボーイ
  type: MusicAlbum
  date published: 2023-07-22
album: スワンボートの初恋
  type: MusicAlbum
  date published: 2024-04-04
album: My precious
  type: MusicAlbum
  date published: 2024-07-13
album: WONDER MUSIC
  type: MusicAlbum
  date published: 2024-11-15
  track: WONDER MUSIC
    type: MusicRecording
    duration: PT2M23S
    duration ms: 143454
    explicit: false
    by artist: スワンスワンズ
    in album: WONDER MUSIC
      type: MusicAlbum
      date published: 2024-11-15
    isrc code: TCJPC2411384
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T19:10:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa052e3058942fdae1a85e9795338ff4fbac32bd9a9d9828efe2075cdd6e2de55
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958774
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958774
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2411384
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T22:07:29Z
    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 0xa052e3058942fdae1a85e9795338ff4fbac32bd9a9d9828efe2075cdd6e2de55. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:07:29Z), 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/TCJPC2411384.
      date published: 2026-07-19T22:07:29Z
    audio: WONDER MUSIC
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.022
      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: 0.744
      additional property: Energy
        type: PropertyValue
        value: 0.735
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.351
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.066
      additional property: Liveness
        type: PropertyValue
        value: 0.103
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.931
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.259
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: SWANS PLANET
  type: MusicAlbum
  date published: 2025-01-09
album: お星さま採集
  type: MusicAlbum
  date published: 2025-07-07
  track: パーフェクトスコール
    type: MusicRecording
    duration: PT4M33S
    duration ms: 273500
    explicit: false
    by artist: スワンスワンズ
    in album: お星さま採集
      type: MusicAlbum
      date published: 2025-07-07
    isrc code: TCJPL2563158
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T18:29:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa72eae45b607909df70ad13161fcadc52b91e1fa054fb5ea495708045850a9be
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958770
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958770
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2563158
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T21:31:33Z
    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 0xa72eae45b607909df70ad13161fcadc52b91e1fa054fb5ea495708045850a9be. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T21:31:33Z), 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/TCJPL2563158.
      date published: 2026-07-19T21:31:33Z
    audio: パーフェクトスコール
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.957
      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: 0.712
      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

Energy
type: PropertyValue
value: 0.705

Speechiness
type: PropertyValue
value: 0.031

Acousticness
type: PropertyValue
value: 0.118

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.125

Valence (Positivity)
type: PropertyValue
value: 0.481

Loudness (dB)
type: PropertyValue
value: -7.482

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major