Oscar Maza
type: MusicGroup
popularity: 8
followers: 87
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf3d4cf1bbe99455051cfff83624f89a8d69440f8d23f8eb2042455d1e68e817
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953949
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953949
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/18b8e4af-5079-4843-b57d-8a2ed1be6a93.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/18b8e4af-5079-4843-b57d-8a2ed1be6a93.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/18b8e4af-5079-4843-b57d-8a2ed1be6a93
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:28:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaf3d4cf1bbe99455051cfff83624f89a8d69440f8d23f8eb2042455d1e68e817","name":"Oscar Maza","registered_at":"2026-06-15T22:13:31Z","symbol":"NIM0847937","token_address":"0xa0a8aed38559550dc309dbf7c205f7a1df874b82","type":"artist","uuid":"18b8e4af-5079-4843-b57d-8a2ed1be6a93"}
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 0xaf3d4cf1bbe99455051cfff83624f89a8d69440f8d23f8eb2042455d1e68e817. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/18b8e4af-5079-4843-b57d-8a2ed1be6a93.json and https://artists.proofprofile.net/proofs/artist/18b8e4af-5079-4843-b57d-8a2ed1be6a93.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0xaf3d4cf1bbe99455051cfff83624f89a8d69440f8d23f8eb2042455d1e68e817","name":"Oscar Maza","registered_at":"2026-06-15T22:13:31Z","symbol":"NIM0847937","token_address":"0xa0a8aed38559550dc309dbf7c205f7a1df874b82","type":"artist","uuid":"18b8e4af-5079-4843-b57d-8a2ed1be6a93"}
album: 1 de Mayo
  type: MusicAlbum
  date published: 2021-06-11
album: Tu Voz
  type: MusicAlbum
  date published: 2021-09-17
album: Oscar Maza
  type: MusicAlbum
  date published: 2021-10-15
  track: La Última o la Primera
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214691
    explicit: false
    by artist: Oscar Maza
    in album: Oscar Maza
      type: MusicAlbum
      date published: 2021-10-15
    isrc code: ES5302171139
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T02:38:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbb03314adc449669d91156373cea4670f81102707b21751f1cc47f739238c375
    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/ES5302171139
    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 0xbb03314adc449669d91156373cea4670f81102707b21751f1cc47f739238c375. 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/ES5302171139.
      date published: 2026-07-04T10:04:33Z
    audio: La Última o la Primera
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 122.282
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.547
      additional property: Energy
        type: PropertyValue
        value: 0.38
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.836
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.479
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.406
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Noche de Blues
  type: MusicAlbum
  date published: 2022-02-25
album: Bailando en la Oscuridad
  type: MusicAlbum
  date published: 2022-07-08
  track: Bailando en la Oscuridad
    type: MusicRecording
    duration: PT3M31S
    duration ms: 211731
    explicit: false
    by artist: Oscar Maza
    in album: Bailando en la Oscuridad
      type: MusicAlbum
      date published: 2022-07-08
    isrc code: ES5302272448
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T00:51:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x120d403a4da2d8b49ae8d9b99abbe5727e12dea0e0c48c45e66d9299ee4e98e0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958476
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958476
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5302272448
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T01:26:56Z
    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 0x120d403a4da2d8b49ae8d9b99abbe5727e12dea0e0c48c45e66d9299ee4e98e0. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/ES5302272448.
      date published: 2026-07-18T01:26:56Z
    audio: Bailando en la Oscuridad
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.03
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.732
      additional property: Energy
        type: PropertyValue
        value: 0.531
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.653
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Tu voz (Izar Sessions)
album: Yo sé (Izar Sessions)
album: La última o la primera (Izar Sessions)
album: Corazón acomplejado (Izar Sessions)
album: Fugaz Imagen
album: Esquinas en el mar (I)

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.128

Valence (Positivity)
type: PropertyValue
value: 0.324

Loudness (dB)
type: PropertyValue
value: -10.273

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Tu voz (Izar Sessions)
type: MusicAlbum
date published: 2025-02-07

Yo sé (Izar Sessions)
type: MusicAlbum
date published: 2025-03-07

La última o la primera (Izar Sessions)
type: MusicAlbum
date published: 2025-05-16

Corazón acomplejado (Izar Sessions)
type: MusicAlbum
date published: 2025-06-20

Fugaz Imagen
type: MusicAlbum
date published: 2025-07-18

Esquinas en el mar (I)
type: MusicAlbum
date published: 2025-09-12