SHADE OF SPADE
type: MusicGroup
popularity: 9
followers: 590
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f8c05cf5ac16c0cb8960c9ad8ff7adc51a6b4787feb7bbeeadf0401cfaaba74
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954174
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954174
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7f1ab7bd-866d-424f-ae08-f0ff5070f213.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7f1ab7bd-866d-424f-ae08-f0ff5070f213.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7f1ab7bd-866d-424f-ae08-f0ff5070f213
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-18T03:01:36Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5f8c05cf5ac16c0cb8960c9ad8ff7adc51a6b4787feb7bbeeadf0401cfaaba74","name":"SHADE OF SPADE","registered_at":"2026-06-17T09:48:14Z","symbol":"NIM1357375","token_address":"0x00e48de9df9af0d3af76916ce2c263bf387c9570","type":"artist","uuid":"7f1ab7bd-866d-424f-ae08-f0ff5070f213"}
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 0x5f8c05cf5ac16c0cb8960c9ad8ff7adc51a6b4787feb7bbeeadf0401cfaaba74. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7f1ab7bd-866d-424f-ae08-f0ff5070f213.json and https://artists.proofprofile.net/proofs/artist/7f1ab7bd-866d-424f-ae08-f0ff5070f213.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x5f8c05cf5ac16c0cb8960c9ad8ff7adc51a6b4787feb7bbeeadf0401cfaaba74","name":"SHADE OF SPADE","registered_at":"2026-06-17T09:48:14Z","symbol":"NIM1357375","token_address":"0x00e48de9df9af0d3af76916ce2c263bf387c9570","type":"artist","uuid":"7f1ab7bd-866d-424f-ae08-f0ff5070f213"}
album: THE IDOLM@STER MILLION THE@TER SEASON
  type: MusicAlbum
  date published: 2022-10-26
album: THE IDOLM@STER MILLION THE@TER SEASON SHADE OF SPADE
  type: MusicAlbum
  date published: 2022-10-26
  track: Criminally Dinner ～正餐とイーヴルナイフ～
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209666
    explicit: false
    by artist: SHADE OF SPADE
    in album: THE IDOLM@STER MILLION THE@TER SEASON SHADE OF SPADE
      type: MusicAlbum
      date published: 2022-10-26
    isrc code: JPI102201713
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T21:45:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc1fd0c0e76d6c5e93303aabf4e2d4547e8f61719a7daf2b9c630ba9dbf5886ea
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956422
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956422
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPI102201713
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T01:01:38Z
    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 0xc1fd0c0e76d6c5e93303aabf4e2d4547e8f61719a7daf2b9c630ba9dbf5886ea. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/JPI102201713.
      date published: 2026-07-03T01:01:38Z
    audio: Criminally Dinner ～正餐とイーヴルナイフ～
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.059
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.731
      additional property: Energy
        type: PropertyValue
        value: 0.797
      additional property: Speechiness
        type: PropertyValue
        value: 0.055
      additional property: Acousticness
        type: PropertyValue
        value: 0.038
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.295
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.7
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.449
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: THE IDOLM@STER MILLION THE@TER SEASON SHADE OF SPADE
  type: MusicAlbum
  date published: 2022-10-26
  track: ESPADA
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214133
    explicit: false
    by artist: SHADE OF SPADE
    in album: THE IDOLM@STER MILLION THE@TER SEASON SHADE OF SPADE
      type: MusicAlbum
      date published: 2022-10-26
    isrc code: JPI102201986
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T14:33:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x16589afa0a4b5040d2eb2badae284a2a60d6e3e6d64fdf3890235046340ee95a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958897
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958897
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPI102201986
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T17:34:45Z
    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 0x16589afa0a4b5040d2eb2badae284a2a60d6e3e6d64fdf3890235046340ee95a. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T17:34:45Z), 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/JPI102201986.
      date published: 2026-07-20T17:34:45Z
    audio: ESPADA
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.01
      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: 0.526
      additional property: Energy
        type: PropertyValue
        value: 0.969
      additional property: Speechiness
        type: PropertyValue
        value: 0.238
      additional property: Acousticness
        type: PropertyValue
        value: 0.054
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.293
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Spade no Q

Valence (Positivity)
type: PropertyValue
value: 0.335

Loudness (dB)
type: PropertyValue
value: -2.205

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Spade no Q
type: MusicRecording
duration: PT3M52S
duration ms: 232146
explicit: false
by artist: SHADE OF SPADE
in album: THE IDOLM@STER MILLION THE@TER SEASON SHADE OF SPADE
  type: MusicAlbum
  date published: 2022-10-26
isrc code: JPI102201711
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T15:44:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b0f28d9223cd1ea94eb22dfc3eeb44fba700181f272820a4f1241494ec642ef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPI102201711
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
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 0x5b0f28d9223cd1ea94eb22dfc3eeb44fba700181f272820a4f1241494ec642ef. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JPI102201711.
  date published: 2026-07-05T01:43:49Z
audio: Spade no Q
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 156.001
  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: 0.627
  additional property: Energy
    type: PropertyValue
    value: 0.878
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.219
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.838
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.289
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor