Los Blacksunday
type: MusicGroup
popularity: 8
followers: 31
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x352a6e80b24bc2d640619c1f61322d5052e3bb3bb10922b0395563fd72929810
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954500
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9dcb7d5c-c909-41de-acba-cdfef4debe59.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9dcb7d5c-c909-41de-acba-cdfef4debe59.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9dcb7d5c-c909-41de-acba-cdfef4debe59
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T04:47:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x352a6e80b24bc2d640619c1f61322d5052e3bb3bb10922b0395563fd72929810","name":"Los Blacksunday","registered_at":"2026-06-20T04:15:31Z","symbol":"NIM1512624","token_address":"0x052e9bc930f60828c7595902aa692d43e6053352","type":"artist","uuid":"9dcb7d5c-c909-41de-acba-cdfef4debe59"}
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 0x352a6e80b24bc2d640619c1f61322d5052e3bb3bb10922b0395563fd72929810. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9dcb7d5c-c909-41de-acba-cdfef4debe59.json and https://artists.proofprofile.net/proofs/artist/9dcb7d5c-c909-41de-acba-cdfef4debe59.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T04:47:29Z
  text: {"copyright_id":"0x352a6e80b24bc2d640619c1f61322d5052e3bb3bb10922b0395563fd72929810","name":"Los Blacksunday","registered_at":"2026-06-20T04:15:31Z","symbol":"NIM1512624","token_address":"0x052e9bc930f60828c7595902aa692d43e6053352","type":"artist","uuid":"9dcb7d5c-c909-41de-acba-cdfef4debe59"}
album: Camino Espacial
  type: MusicAlbum
  date published: 2023-12-03
  track: Camino Espacial
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214741
    explicit: false
    by artist: Los Blacksunday
    in album: Camino Espacial
      type: MusicAlbum
      date published: 2023-12-03
    isrc code: QZWFH2316657
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T12:38:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7cd8b1484668c52c17843bf52e9d49783c6f154290f6bdfc7ed10fb60c58b957
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958885
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958885
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFH2316657
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T15:40:57Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd8b1484668c52c17843bf52e9d49783c6f154290f6bdfc7ed10fb60c58b957. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:40:57Z), 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/QZWFH2316657.
      date published: 2026-07-20T15:40:57Z
    audio: Camino Espacial
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 142.004
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.618
      additional property: Energy
        type: PropertyValue
        value: 0.879
      additional property: Speechiness
        type: PropertyValue
        value: 0.073
      additional property: Acousticness
        type: PropertyValue
        value: 0.003
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.314
      additional property: Liveness
        type: PropertyValue
        value: 0.202
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.797
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.953
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Real
  type: MusicAlbum
  date published: 2024-08-30
  track: Real
    type: MusicRecording
    duration: PT4M4S
    duration ms: 244285
    explicit: false
    by artist: Los Blacksunday
    in album: Real
      type: MusicAlbum
      date published: 2024-08-30
    isrc code: QZTBB2426245
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T10:24:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xafd41969d652e2c18f060c3179af1556b86c7545e0c3834ee336c0cbcfa13a6c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958867
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958867
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBB2426245
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T13:26:06Z
    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 0xafd41969d652e2c18f060c3179af1556b86c7545e0c3834ee336c0cbcfa13a6c. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T13:26:06Z), 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/QZTBB2426245.
      date published: 2026-07-20T13:26:06Z
    audio: Real
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 84.059
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.444
      additional property: Energy
        type: PropertyValue
        value: 0.409
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.142
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.895
      additional property: Liveness
        type: PropertyValue
        value: 0.383
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.299
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Real (Remasterizado 2025)

Loudness (dB)
type: PropertyValue
value: -17.671

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Real (Remasterizado 2025)
type: MusicAlbum
date published: 2025-03-31
track: Real - Remasterizado 2025
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244285
  explicit: false
  by artist: Los Blacksunday
  in album: Real (Remasterizado 2025)
    type: MusicAlbum
    date published: 2025-03-31
  isrc code: QZK6J2503668
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T09:13:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xed15418cb9c33cc223e9eaf81d213d68e907f836883330ef8e5710ce8e48db2e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2503668
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T12:15:59Z
  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 0xed15418cb9c33cc223e9eaf81d213d68e907f836883330ef8e5710ce8e48db2e. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:15:59Z), 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/QZK6J2503668.
    date published: 2026-07-20T12:15:59Z
  audio: Real - Remasterizado 2025
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 83.95
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.447
    additional property: Energy
      type: PropertyValue
      value: 0.564
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.229
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.802
    additional property: Liveness
      type: PropertyValue
      value: 0.379
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.292
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.38
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major