Yuka & Chronoship
type: MusicGroup
genre: progressive rock
popularity: 2
followers: 1020
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5419d5c06012889ae827cfbb435852cc87fac573bd705c5057b8f0edf521143
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc3fe07f-0b36-4bbc-bddd-ebecb519bc89.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc3fe07f-0b36-4bbc-bddd-ebecb519bc89.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bc3fe07f-0b36-4bbc-bddd-ebecb519bc89
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe5419d5c06012889ae827cfbb435852cc87fac573bd705c5057b8f0edf521143","name":"Yuka & Chronoship","registered_at":"2026-06-20T17:14:17Z","symbol":"NIM1664136","token_address":"0xbe63c9cc39fd5893f049e081ed08330443d4c975","type":"artist","uuid":"bc3fe07f-0b36-4bbc-bddd-ebecb519bc89"}
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 0xe5419d5c06012889ae827cfbb435852cc87fac573bd705c5057b8f0edf521143. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bc3fe07f-0b36-4bbc-bddd-ebecb519bc89.json and https://artists.proofprofile.net/proofs/artist/bc3fe07f-0b36-4bbc-bddd-ebecb519bc89.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
  text: {"copyright_id":"0xe5419d5c06012889ae827cfbb435852cc87fac573bd705c5057b8f0edf521143","name":"Yuka & Chronoship","registered_at":"2026-06-20T17:14:17Z","symbol":"NIM1664136","token_address":"0xbe63c9cc39fd5893f049e081ed08330443d4c975","type":"artist","uuid":"bc3fe07f-0b36-4bbc-bddd-ebecb519bc89"}
album: Dino Rocket Oxygen
  type: MusicAlbum
  date published: 2013-04-19
album: The 3rd Planetary Chronicles
  type: MusicAlbum
  date published: 2015-09-25
album: The 3rd Planetary Chronicles
  type: MusicAlbum
  date published: 2015-09-25
album: SHIP
  type: MusicAlbum
  date published: 2018-04-04
album: Ship
  type: MusicAlbum
  date published: 2018-05-11
album: Ship
  type: MusicAlbum
  date published: 2018-05-11
album: Ribbon Butterfly
  type: MusicAlbum
  date published: 2025-05-02
  track: Ribbon Butterfly
    type: MusicRecording
    duration: PT9M13S
    duration ms: 553640
    explicit: false
    by artist: Yuka & Chronoship
    in album: Ribbon Butterfly
      type: MusicAlbum
      date published: 2025-05-02
    genre: progressive rock
    isrc code: GBJYR2500001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T03:28:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf0b9ab1bb1aba6eb4938104d5fc457c25431d8eaf278593b56c93d29c07bb08a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958487
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958487
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJYR2500001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T03:43:59Z
    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 0xf0b9ab1bb1aba6eb4938104d5fc457c25431d8eaf278593b56c93d29c07bb08a. Chain 2 (Bitcoin): anchored in block 958487 (2026-07-18T03:43:59Z), 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/GBJYR2500001.
      date published: 2026-07-18T03:43:59Z
    audio: Ribbon Butterfly
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 159.986
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.44
      additional property: Energy
        type: PropertyValue
        value: 0.868
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.235
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.089
      additional property: Liveness
        type: PropertyValue
        value: 0.116
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.297
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.569
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Polar Dark
    type: MusicRecording
    duration: PT4M56S
    duration ms: 296120
    explicit: false
    by artist: Yuka & Chronoship
    in album: Ribbon Butterfly
      type: MusicAlbum
      date published: 2025-05-02
    genre: progressive rock
    isrc code: GBJYR2500006
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T17:10:51+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x58af14e49bbe61a9d1e495428609daa5b8409fd9257641e2ea49ac8725c045f1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958918
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958918
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJYR2500006
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T20:08:28Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58af14e49bbe61a9d1e495428609daa5b8409fd9257641e2ea49ac8725c045f1. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T20:08:28Z), 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/GBJYR2500006.
      date published: 2026-07-20T20:08:28Z
    audio: Polar Dark
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.013
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.533
      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
  track: Sleeping Girl in the Stained Glass

Energy
type: PropertyValue
value: 0.378

Speechiness
type: PropertyValue
value: 0.026

Acousticness
type: PropertyValue
value: 0.02

Instrumentalness
type: PropertyValue
value: 0.789

Liveness
type: PropertyValue
value: 0.114

Valence (Positivity)
type: PropertyValue
value: 0.064

Loudness (dB)
type: PropertyValue
value: -8.819

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Minor

Sleeping Girl in the Stained Glass
type: MusicRecording
duration: PT5M14S
duration ms: 314546
explicit: false
by artist: Yuka & Chronoship
in album: Ribbon Butterfly
  type: MusicAlbum
  date published: 2025-05-02
genre: progressive rock
isrc code: GBJYR2500007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T12:02:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb125bb3585c7f9fe7425ff1c52803d9379da287d81c775201ef55a24a09851ad
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/GBJYR2500007
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb125bb3585c7f9fe7425ff1c52803d9379da287d81c775201ef55a24a09851ad. 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/GBJYR2500007.
  date published: 2026-07-16T12:43:37Z
audio: Sleeping Girl in the Stained Glass
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.972
  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: 0.513
  additional property: Energy
    type: PropertyValue
    value: 0.517
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
    value: 0.467
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.84
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.895
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor