Takuya Yamashita
type: MusicGroup
genre: j-dance
popularity: 12
followers: 626
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23192b1e14ae0f2c2c12c5766b6c8a8ac748f8ff8f669e8bcbe4255cfae6ffc1. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aab65847-44e9-43f5-881a-824a1cd3be8f.json and https://artists.proofprofile.net/proofs/artist/aab65847-44e9-43f5-881a-824a1cd3be8f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
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album: Neptune
  type: MusicAlbum
  date published: 2008-10-17
album: Iris EP
  type: MusicAlbum
  date published: 2010-05-31
album: Xenogenesis
  type: MusicAlbum
  date published: 2011-02-25
album: Daybreak
  type: MusicAlbum
  date published: 2012-02-29
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    type: MusicRecording
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    by artist: Takuya Yamashita
    in album: Daybreak
      type: MusicAlbum
      date published: 2012-02-29
    genre: j-dance
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x5785f7f5b20b140ddf8099739d4cd46f65ebc2d0bbf02459c768f3a1ee79e7f0. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBUH31200141.
      date published: 2026-07-05T19:27:56Z
    audio: Daybreak
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.997
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
        type: PropertyValue
        value: 0.84
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.278
      additional property: Loudness (dB)
        type: PropertyValue
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      additional property: Key Name
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      additional property: Mode Name
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album: Der Freischutz
  type: MusicAlbum
  date published: 2012-03-21
album: Plumb, Emation
  type: MusicAlbum
  date published: 2012-09-01
album: Quasar
  type: MusicAlbum
  date published: 2012-12-26
album: Jupiter
  type: MusicAlbum
  date published: 2013-03-11
album: Betelgeuse
  type: MusicAlbum
  date published: 2013-04-29
album: Daybreak (Mirko Loko Remixes)
  type: MusicAlbum
  date published: 2013-09-30
album: Daybreak (Mirko Loko Remixes)
  type: MusicAlbum
  date published: 2013-10-14
album: Baroque
  type: MusicAlbum
  date published: 2015-04-10
album: Brown Study
  type: MusicAlbum
  date published: 2016-06-24
album: Obscure EP
  type: MusicAlbum
  date published: 2018-02-01
album: Chiaroscuro EP
  type: MusicAlbum
  date published: 2018-05-24
album: Snake Head
  type: MusicAlbum
  date published: 2019-08-27
album: Botanical Garden
  type: MusicAlbum
  date published: 2019-12-03
album: A Thread of Light / Aos Si
  type: MusicAlbum
  date published: 2020-03-30
album: Series 2001 2020
  type: MusicAlbum
  date published: 2020-11-01
album: Spring Fever (Masaru Saito Remixes)
  type: MusicAlbum
  date published: 2021-04-01
album: Spirit Garden / Asian Blue Wind
  type: MusicAlbum
  date published: 2021-04-24
album: A Thread of Light Remixes 1
  type: MusicAlbum
  date published: 2022-01-03
album: A Thread of Light Remixes 2
  type: MusicAlbum
  date published: 2022-01-13
album: Deneb Cygni
  type: MusicAlbum
  date published: 2022-02-25
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    type: MusicRecording
    duration: PT7M33S
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    explicit: false
    by artist: Takuya Yamashita
    in album: Deneb Cygni
    genre: j-dance
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    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
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    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Deneb Cygni - Original Mix
album: The Sky Is the Limit
album: Zephyros / Pieta
album: Prometheus 2023 Remixies
album: ハナミズキ (feat. 一青窈) [Cover] [100 years after the waterfront remix]
album: Hanamizuki (feat. Yo Hitoto) [Cover] [100 years after the waterfront remix]
album: The Birth of Phoenix
track: Chill: Sailing Ship
track: Chill: Epilogue

Chill: Sailing Ship
type: MusicRecording
duration: PT4M44S
duration ms: 284762
explicit: false
by artist: Nobuo Uematsu
by artist: Takuya Yamashita
in album: SQUARE ENIX Chill Out Arrangement Tracks - AROUND 80's MIX
  type: MusicAlbum
  date published: 2020-08-19
genre: soundtrack
genre: japanese-vgm
genre: japanese-classical
isrc code: JPA842002554
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:05:51+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA842002554
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T17:25:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e18e6dbfe9b236efab40dec2f7f24b647647defbc40bf95d531b7709a14baac. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/JPA842002554.
  date published: 2026-06-13T17:25:41Z
audio: Chill: Sailing Ship
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.407
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.614
  additional property: Energy
    type: PropertyValue
    value: 0.663
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.008
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.153
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.574
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.978
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Chill: Epilogue
type: MusicRecording
duration: PT4M24S
duration ms: 264181
explicit: false
by artist: Nobuo Uematsu
by artist: Takuya Yamashita
in album: SQUARE ENIX Chill Out Arrangement Tracks - AROUND 80's MIX
  type: MusicAlbum
  date published: 2020-08-19
genre: soundtrack
genre: japanese-vgm
genre: japanese-classical
isrc code: JPA842002558
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:02:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x186bafce0077da65d9f7e9caa8f4a78e25f221bfae83b1576b4700ae1cfec2d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPA842002558
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x186bafce0077da65d9f7e9caa8f4a78e25f221bfae83b1576b4700ae1cfec2d8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPA842002558.
  date published: 2026-06-13T13:32:09Z
audio: Chill: Epilogue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.557
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.481
  additional property: Speechiness
    type: PropertyValue
    value: 0.026
  additional property: Acousticness
    type: PropertyValue
    value: 0.015
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.372
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.097
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.01
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Takuya Yamashita
type: MusicGroup

Deneb Cygni
type: MusicAlbum
date published: 2022-02-25

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-20T20:43:36+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x28f8ac4be5fc9040480a4907eee0bff0986d170a663c9387b9f106563ebf7e59

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958931

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958931

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLL562009535

OTSTimestamp
type: PropertyValue
value: 2026-07-20T21:15:01Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f8ac4be5fc9040480a4907eee0bff0986d170a663c9387b9f106563ebf7e59. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/NLL562009535.
date published: 2026-07-20T21:15:01Z

Deneb Cygni - Original Mix
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 117.995
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.588
additional property: Energy
  type: PropertyValue
  value: 0.422
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.212
additional property: Instrumentalness
  type: PropertyValue
  value: 0.75
additional property: Liveness
  type: PropertyValue
  value: 0.071
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.082
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.088
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

The Sky Is the Limit
type: MusicAlbum
date published: 2022-06-01

The Sky Is the Limit
type: MusicAlbum
date published: 2022-08-08

Zephyros / Pieta
type: MusicAlbum
date published: 2022-09-02

Prometheus 2023 Remixies
type: MusicAlbum
date published: 2023-05-23

ハナミズキ (feat. 一青窈) [Cover] [100 years after the waterfront remix]
type: MusicAlbum
date published: 2023-07-26

Hanamizuki (feat. Yo Hitoto) [Cover] [100 years after the waterfront remix]
type: MusicAlbum
date published: 2023-07-26

The Birth of Phoenix
type: MusicAlbum
date published: 2024-05-01