Margarida Mariño
type: MusicGroup
popularity: 6
followers: 508
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79d49fab515b35cfe5c419114b62e3645a335ccf1687d8e48460d09f15ddb3a0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3315e93-16e4-432a-a9ae-322bb86d1b8d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3315e93-16e4-432a-a9ae-322bb86d1b8d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c3315e93-16e4-432a-a9ae-322bb86d1b8d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x79d49fab515b35cfe5c419114b62e3645a335ccf1687d8e48460d09f15ddb3a0","name":"Margarida Mariño","registered_at":"2026-06-20T20:04:22Z","symbol":"NIM1700226","token_address":"0x646af67172d5a3964fb0afee79e253224155e88d","type":"artist","uuid":"c3315e93-16e4-432a-a9ae-322bb86d1b8d"}
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 0x79d49fab515b35cfe5c419114b62e3645a335ccf1687d8e48460d09f15ddb3a0. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3315e93-16e4-432a-a9ae-322bb86d1b8d.json and https://artists.proofprofile.net/proofs/artist/c3315e93-16e4-432a-a9ae-322bb86d1b8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0x79d49fab515b35cfe5c419114b62e3645a335ccf1687d8e48460d09f15ddb3a0","name":"Margarida Mariño","registered_at":"2026-06-20T20:04:22Z","symbol":"NIM1700226","token_address":"0x646af67172d5a3964fb0afee79e253224155e88d","type":"artist","uuid":"c3315e93-16e4-432a-a9ae-322bb86d1b8d"}
album: Cello&electronics
  type: MusicAlbum
  date published: 2020-02-12
  track: Orixe, Pt. 2
    type: MusicRecording
    duration: PT1M53S
    duration ms: 113375
    explicit: false
    by artist: Margarida Mariño
    in album: Cello&electronics
      type: MusicAlbum
      date published: 2020-02-12
    isrc code: QZFZ32012939
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T04:49:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x51704f31a39732b4452001928b40cb4f4eaa197127e18a10dcf481b192733b7f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958667
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958667
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ32012939
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T05:04:54Z
    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 0x51704f31a39732b4452001928b40cb4f4eaa197127e18a10dcf481b192733b7f. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), 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/QZFZ32012939.
      date published: 2026-07-19T05:04:54Z
    audio: Orixe, Pt. 2
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 152.101
      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: 0.449
      additional property: Energy
        type: PropertyValue
        value: 0.244
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.141
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.901
      additional property: Liveness
        type: PropertyValue
        value: 0.079
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.376
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.01
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Praza d'Almeida
  type: MusicAlbum
  date published: 2020-05-31
album: Alcume
  type: MusicAlbum
  date published: 2021-02-24
album: Tigres coma cabalos
  type: MusicAlbum
  date published: 2021-05-02
album: Unha illa no medio do mar
  type: MusicAlbum
  date published: 2022-04-01
album: Nurdles
  type: MusicAlbum
  date published: 2024-03-21