ユウ
type: MusicGroup
popularity: 10
followers: 95
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x021eea06662e2d2524e161d9d0ea345a37b9b11fe328466c0659b40ce3ab0969
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ad390b0-9771-49bd-b95b-22f8ee442322.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ad390b0-9771-49bd-b95b-22f8ee442322.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4ad390b0-9771-49bd-b95b-22f8ee442322
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x021eea06662e2d2524e161d9d0ea345a37b9b11fe328466c0659b40ce3ab0969","name":"ユウ","registered_at":"2026-06-16T15:41:09Z","symbol":"NIM1098054","token_address":"0xfbce5565d815073595a1e4f5d0167b385be7267e","type":"artist","uuid":"4ad390b0-9771-49bd-b95b-22f8ee442322"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x021eea06662e2d2524e161d9d0ea345a37b9b11fe328466c0659b40ce3ab0969. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4ad390b0-9771-49bd-b95b-22f8ee442322.json and https://artists.proofprofile.net/proofs/artist/4ad390b0-9771-49bd-b95b-22f8ee442322.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x021eea06662e2d2524e161d9d0ea345a37b9b11fe328466c0659b40ce3ab0969","name":"ユウ","registered_at":"2026-06-16T15:41:09Z","symbol":"NIM1098054","token_address":"0xfbce5565d815073595a1e4f5d0167b385be7267e","type":"artist","uuid":"4ad390b0-9771-49bd-b95b-22f8ee442322"}
album: 最後の電車
  type: MusicAlbum
  date published: 2025-03-16
  track: 最後の電車
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213599
    explicit: true
    by artist: ユウ
    in album: 最後の電車
      type: MusicAlbum
      date published: 2025-03-16
    isrc code: QZGLS2566676
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T15:17:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x06de05cd8aa2e93dd4e9ed7304f0e3df4bf7f21f6f37376cf183f8d3b137fbc7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2566676
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06de05cd8aa2e93dd4e9ed7304f0e3df4bf7f21f6f37376cf183f8d3b137fbc7. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZGLS2566676.
      date published: 2026-07-05T18:48:28Z
    audio: 最後の電車
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.03
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.669
      additional property: Energy
        type: PropertyValue
        value: 0.303
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.708
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.126
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.35
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.655
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: ただいま
  type: MusicAlbum
  date published: 2025-03-16
album: 声が届くなら
  type: MusicAlbum
  date published: 2025-03-16
  track: 声が届くなら
    type: MusicRecording
    duration: PT2M57S
    duration ms: 177439
    explicit: true
    by artist: ユウ
    in album: 声が届くなら
      type: MusicAlbum
      date published: 2025-03-16
    isrc code: QZGLS2565836
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T10:51:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x546d6b4b969367867d55a12b8a868996d4fa7c72be903f5d1ab1e159fee51b58
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958286
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958286
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2565836
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T12:43:37Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x546d6b4b969367867d55a12b8a868996d4fa7c72be903f5d1ab1e159fee51b58. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZGLS2565836.
      date published: 2026-07-16T12:43:37Z
    audio: 声が届くなら
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.917
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.619
      additional property: Energy
        type: PropertyValue
        value: 0.357
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.716
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.112
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 夜に浮かぶ影
album: 涙の向こうに
album: 消えない願い
album: 君を探す風
album: 君へ届ける想い
album: 永遠に響く声
album: 幻想の中で
album: 消えゆく星たち
album: 夜空に残る声
album: 月明かりの約束
album: 消えない声
album: 声だけで
album: 影の向こうに
album: 永遠のフラグメント
album: 花びらの囁き
album: 風に消える約束
album: 好きなのに
album: 狂い咲く
album: 夕闇に溶けた声
album: 風になる前に
album: 言えないままで
album: 夜に咲く嘘
album: スカートのすそ
album: 風の中に
album: 風の標本
album: 霞む声
album: 影を追う街
album: 君と見た夏の灯
album: 落ちる寸前の青
album: 声だけで、生きている
album: Jet Lag Dream
album: 逆さまの地図
album: 時差の夢
album: Falling Blue on the Edge
album: Aistir

Valence (Positivity)
type: PropertyValue
value: 0.441

Loudness (dB)
type: PropertyValue
value: -12.141

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

夜に浮かぶ影
type: MusicAlbum
date published: 2025-03-17

涙の向こうに
type: MusicAlbum
date published: 2025-03-18
track: 涙の向こうに
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220799
  explicit: true
  by artist: ユウ
  in album: 涙の向こうに
    type: MusicAlbum
    date published: 2025-03-18
  isrc code: QZGLS2571459
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T01:06:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf95e1cdc70579a518c5e07cf3b0a2e8bc9a4877fa5c0db7f1fc0f9673d3930d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2571459
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf95e1cdc70579a518c5e07cf3b0a2e8bc9a4877fa5c0db7f1fc0f9673d3930d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZGLS2571459.
    date published: 2026-07-06T01:25:57Z
  audio: 涙の向こうに
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.67
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.462
    additional property: Energy
      type: PropertyValue
      value: 0.389
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.022
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.126
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.326
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.335
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

消えない願い
type: MusicAlbum
date published: 2025-03-18

君を探す風
type: MusicAlbum
date published: 2025-03-18

君へ届ける想い
type: MusicAlbum
date published: 2025-03-18

永遠に響く声
type: MusicAlbum
date published: 2025-03-18

幻想の中で
type: MusicAlbum
date published: 2025-03-19

消えゆく星たち
type: MusicAlbum
date published: 2025-03-19

声が届くなら
type: MusicAlbum
date published: 2025-03-19

夜空に残る声
type: MusicAlbum
date published: 2025-03-19

月明かりの約束
type: MusicAlbum
date published: 2025-03-20

月明かりの約束
type: MusicAlbum
date published: 2025-03-20

消えない声
type: MusicAlbum
date published: 2025-03-21

声だけで
type: MusicAlbum
date published: 2025-03-22

影の向こうに
type: MusicAlbum
date published: 2025-03-22

影の向こうに
type: MusicAlbum
date published: 2025-03-23

永遠のフラグメント
type: MusicAlbum
date published: 2025-04-05

花びらの囁き
type: MusicAlbum
date published: 2025-04-05

風に消える約束
type: MusicAlbum
date published: 2025-04-05

好きなのに
type: MusicAlbum
date published: 2025-04-05

狂い咲く
type: MusicAlbum
date published: 2025-04-21

夕闇に溶けた声
type: MusicAlbum
date published: 2025-05-28

風になる前に
type: MusicAlbum
date published: 2025-05-28

言えないままで
type: MusicAlbum
date published: 2025-05-28

夜に咲く嘘
type: MusicAlbum
date published: 2025-05-29

スカートのすそ
type: MusicAlbum
date published: 2025-05-29

風の中に
type: MusicAlbum
date published: 2025-05-29

風の標本
type: MusicAlbum
date published: 2025-05-29

霞む声
type: MusicAlbum
date published: 2025-05-29

影を追う街
type: MusicAlbum
date published: 2025-05-29

君と見た夏の灯
type: MusicAlbum
date published: 2025-08-26

落ちる寸前の青
type: MusicAlbum
date published: 2025-08-30

声だけで、生きている
type: MusicAlbum
date published: 2025-10-28

Jet Lag Dream
type: MusicAlbum
date published: 2025-10-28

逆さまの地図
type: MusicAlbum
date published: 2025-10-28

時差の夢
type: MusicAlbum
date published: 2025-10-28

Falling Blue on the Edge
type: MusicAlbum
date published: 2025-10-28

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