Luke Chu
type: MusicGroup
popularity: 19
followers: 430
additional property: CopyrightID
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: OTSProofURL
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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  value: 2026-06-15T18:10:31Z
additional property: OTSCanonicalRecord
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc14b0aea70bf6d1ad9d57adac0e0a8924d0610afc762132f35d9313b4fabe253. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fea7abb2-2fed-44e0-abc4-ef6961c3fee0.json and https://artists.proofprofile.net/proofs/artist/fea7abb2-2fed-44e0-abc4-ef6961c3fee0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
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album: Ballad of the Goddess (Epic Orchestral Cover)
  type: MusicAlbum
  date published: 2022-12-10
album: Ballad of the Goddess (From "The Legend of Zelda: Skyward Sword") [Epic Orchestral Cover]
  type: MusicAlbum
  date published: 2022-12-28
album: Empress
  type: MusicAlbum
  date published: 2023-01-01
album: Forest Escapade
  type: MusicAlbum
  date published: 2023-01-16
album: Tragic Love
  type: MusicAlbum
  date published: 2023-01-29
album: The Guardian
  type: MusicAlbum
  date published: 2023-02-15
  track: The Guardian
    type: MusicRecording
    duration: PT3M54S
    duration ms: 234803
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    by artist: Luke Chu
    in album: The Guardian
      type: MusicAlbum
      date published: 2023-02-15
    isrc code: GX8KD2388387
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    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
      value: https://blockstream.info/api/block-height/958568
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX8KD2388387
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T15:23:47Z
    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 0x4f2bcc8c504dec4d453e46f26692a22f9d1274678644e9d9237ae42f8e38fc30. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/GX8KD2388387.
      date published: 2026-07-18T15:23:47Z
    audio: The Guardian
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.443
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.2
      additional property: Energy
        type: PropertyValue
        value: 0.55
      additional property: Speechiness
        type: PropertyValue
        value: 0.058
      additional property: Acousticness
        type: PropertyValue
        value: 0.323
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.847
      additional property: Liveness
        type: PropertyValue
        value: 0.099
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.104
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.948
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        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
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album: C-R-O-W-N-E-D (Epic Dark Orchestral Cover)
  type: MusicAlbum
  date published: 2023-02-27
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    type: MusicRecording
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    by artist: Luke Chu
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      type: MusicAlbum
      date published: 2023-02-27
    isrc code: QZPJ32246234
    additional property: CopyrightID
    additional property: CopyrightStatus
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      value: https://explorer.copyrightchains.com/tx/0x170c20b5dfeccc20671b2c1397eb33ba007bbe4fbec70a02740c64b87f9c40fd
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32246234
    additional property: OTSTimestamp
      type: PropertyValue
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    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 0x170c20b5dfeccc20671b2c1397eb33ba007bbe4fbec70a02740c64b87f9c40fd. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:34:43Z), 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/QZPJ32246234.
      date published: 2026-07-16T12:34:43Z
    audio: C-R-O-W-N-E-D - Epic Dark Orchestral Cover
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      additional property: Tempo (BPM)
        type: PropertyValue
        value: 176.829
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.113
      additional property: Energy
        type: PropertyValue
        value: 0.619
      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: Seasons
album: Meaning in Life
album: Main Theme (From "The Legend of Zelda: Tears of the Kingdom") [Epic Orchestral Cover]
album: Directionless (Luke Chu Mix)
album: Bamboochi (Official Game Soundtrack)
album: Change of The Person (Official Game Soundtrack)
album: Main Theme (From The Legend of Zelda: Breath of the Wild)
album: Legend of Zelda: Breath of the Wild Main Theme / Legend of Zelda: Tears of the Kingdom Main Theme (Medley)
album: Main Theme (Epic Orchestral Cover)
album: Crimson Mandate (Music from the Original TV Series)
album: Crimson Mandate (Music from the Original TV Series) [Strings]
album: Crimson Mandate (Music from the Original TV Series) [Strings and Brass]
album: Zoltraak (Epic Orchestral Cover)
album: Zoltraak (From "Frieren: Beyond Journey's End") [Epic Orchestral Cover]
album: Journey of a Lifetime ~ Frieren Main Theme (Epic Orchestral Cover)
album: Flying Through Four Kingdoms (Music from the Original TV Series)
album: Flying Through Four Kingdoms (Music from the Original TV Series) [Strings and Brass]
album: Flying Through Four Kingdoms (Music from the Original TV Series) [Strings]
album: Flying Through Four Kingdoms (Music from the Original TV Series) [Strings and Woodwinds]
album: Dragon Smasher (From "Frieren: Beyond Journey's End") [Epic Orchestral Cover]
album: Ring of Fortune (From "Plastic Memories") [Piano and String Orchestra Cover]
album: Tempest on the Battlefield (From "Octopath Traveler II") [Epic Orchestral Cover]
album: Fiery Princess (Music from the Original TV Series)
album: Fiery Princess (Music from the Original TV Series) [Strings, Brass, and Woodwinds]
album: Fiery Princess (Music from the Original TV Series) [Strings and Brass]

Speechiness
type: PropertyValue
value: 0.122

Acousticness
type: PropertyValue
value: 0.092

Instrumentalness
type: PropertyValue
value: 0.955

Liveness
type: PropertyValue
value: 0.208

Valence (Positivity)
type: PropertyValue
value: 0.123

Loudness (dB)
type: PropertyValue
value: -14.623

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

C-R-O-W-N-E-D (Epic Dark Orchestral Cover)
type: MusicAlbum
date published: 2023-03-15

Seasons
type: MusicAlbum
date published: 2023-04-06

Meaning in Life
type: MusicAlbum
date published: 2023-04-21

Main Theme (From "The Legend of Zelda: Tears of the Kingdom") [Epic Orchestral Cover]
type: MusicAlbum
date published: 2023-05-30

Directionless (Luke Chu Mix)
type: MusicAlbum
date published: 2023-07-14

Bamboochi (Official Game Soundtrack)
type: MusicAlbum
date published: 2023-09-19

Change of The Person (Official Game Soundtrack)
type: MusicAlbum
date published: 2024-01-03

Main Theme (From The Legend of Zelda: Breath of the Wild)
type: MusicAlbum
date published: 2024-01-16

Legend of Zelda: Breath of the Wild Main Theme / Legend of Zelda: Tears of the Kingdom Main Theme (Medley)
type: MusicAlbum
date published: 2024-01-28

Main Theme (Epic Orchestral Cover)
type: MusicAlbum
date published: 2024-02-03

Crimson Mandate (Music from the Original TV Series)
type: MusicAlbum
date published: 2024-08-30

Crimson Mandate (Music from the Original TV Series) [Strings]
type: MusicAlbum
date published: 2024-09-10

Crimson Mandate (Music from the Original TV Series) [Strings and Brass]
type: MusicAlbum
date published: 2024-09-29

Zoltraak (Epic Orchestral Cover)
type: MusicAlbum
date published: 2024-11-18

Zoltraak (From "Frieren: Beyond Journey's End") [Epic Orchestral Cover]
type: MusicAlbum
date published: 2024-11-20

Journey of a Lifetime ~ Frieren Main Theme (Epic Orchestral Cover)
type: MusicAlbum
date published: 2025-02-06

Flying Through Four Kingdoms (Music from the Original TV Series)
type: MusicAlbum
date published: 2025-03-24

Flying Through Four Kingdoms (Music from the Original TV Series) [Strings and Brass]
type: MusicAlbum
date published: 2025-03-31

Flying Through Four Kingdoms (Music from the Original TV Series) [Strings]
type: MusicAlbum
date published: 2025-04-07

Flying Through Four Kingdoms (Music from the Original TV Series) [Strings and Woodwinds]
type: MusicAlbum
date published: 2025-04-14

Dragon Smasher (From "Frieren: Beyond Journey's End") [Epic Orchestral Cover]
type: MusicAlbum
date published: 2025-05-05
track: Dragon Smasher (From "Frieren: Beyond Journey's End") - Epic Orchestral Cover
  type: MusicRecording
  duration: PT1M52S
  duration ms: 112948
  explicit: false
  by artist: Luke Chu
  in album: Dragon Smasher (From "Frieren: Beyond Journey's End") [Epic Orchestral Cover]
    type: MusicAlbum
    date published: 2025-05-05
  isrc code: QZPJ32471618
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T07:42:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x86179e35ce47c0aa669b36d4b7ac354156e5d0605217b8518d4c9b428236de62
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32471618
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0x86179e35ce47c0aa669b36d4b7ac354156e5d0605217b8518d4c9b428236de62. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZPJ32471618.
    date published: 2026-07-04T10:04:33Z
  audio: Dragon Smasher (From "Frieren: Beyond Journey's End") - Epic Orchestral Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.091
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.364
    additional property: Energy
      type: PropertyValue
      value: 0.544
    additional property: Speechiness
      type: PropertyValue
      value: 0.07
    additional property: Acousticness
      type: PropertyValue
      value: 0.071
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.881
    additional property: Liveness
      type: PropertyValue
      value: 0.358
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.64
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.165
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ring of Fortune (From "Plastic Memories") [Piano and String Orchestra Cover]
type: MusicAlbum
date published: 2025-05-21

Tempest on the Battlefield (From "Octopath Traveler II") [Epic Orchestral Cover]
type: MusicAlbum
date published: 2025-05-29

Fiery Princess (Music from the Original TV Series)
type: MusicAlbum
date published: 2025-08-06

Fiery Princess (Music from the Original TV Series) [Strings, Brass, and Woodwinds]
type: MusicAlbum
date published: 2025-08-07

Fiery Princess (Music from the Original TV Series) [Strings and Brass]
type: MusicAlbum
date published: 2025-08-07