El Mariachi Cobre de Mexico
type: MusicGroup
genre: mariachi
popularity: 4
followers: 28
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8cd9cdb255bab7d9128b5aeecfd23d587142258f5b19fa39c406f332a83b9c50
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/1dce5f3d-33a5-49fe-b74e-d727cf3133b7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1dce5f3d-33a5-49fe-b74e-d727cf3133b7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1dce5f3d-33a5-49fe-b74e-d727cf3133b7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:28:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8cd9cdb255bab7d9128b5aeecfd23d587142258f5b19fa39c406f332a83b9c50","name":"El Mariachi Cobre de Mexico","registered_at":"2026-06-15T23:49:33Z","symbol":"NIM0870874","token_address":"0x6f278673856541531ee098299c8859eb7b4594ae","type":"artist","uuid":"1dce5f3d-33a5-49fe-b74e-d727cf3133b7"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd9cdb255bab7d9128b5aeecfd23d587142258f5b19fa39c406f332a83b9c50. 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/1dce5f3d-33a5-49fe-b74e-d727cf3133b7.json and https://artists.proofprofile.net/proofs/artist/1dce5f3d-33a5-49fe-b74e-d727cf3133b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0x8cd9cdb255bab7d9128b5aeecfd23d587142258f5b19fa39c406f332a83b9c50","name":"El Mariachi Cobre de Mexico","registered_at":"2026-06-15T23:49:33Z","symbol":"NIM0870874","token_address":"0x6f278673856541531ee098299c8859eb7b4594ae","type":"artist","uuid":"1dce5f3d-33a5-49fe-b74e-d727cf3133b7"}
album: El Mariachi Loco
  type: MusicAlbum
  date published: 2020-04-09
album: El Mariachi Loco
  type: MusicAlbum
  date published: 2020-04-09
  track: La Negra Tomasa - Mariachi
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213691
    explicit: false
    by artist: El Mariachi Cobre de Mexico
    in album: El Mariachi Loco
      type: MusicAlbum
      date published: 2020-04-09
    genre: mariachi
    isrc code: MX3192001970
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T21:14:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2f3cf286f4d2691ca9cc0a22bca3b07e3742e6e606b3f7454120fea40c265b03
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958455
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958455
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MX3192001970
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T21:28:36Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f3cf286f4d2691ca9cc0a22bca3b07e3742e6e606b3f7454120fea40c265b03. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/MX3192001970.
      date published: 2026-07-17T21:28:36Z
    audio: La Negra Tomasa - Mariachi
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 200.185
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.521
      additional property: Energy
        type: PropertyValue
        value: 0.396
      additional property: Speechiness
        type: PropertyValue
        value: 0.054
      additional property: Acousticness
        type: PropertyValue
        value: 0.243
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.004
      additional property: Liveness
        type: PropertyValue
        value: 0.158
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.78
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.339
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: El Mariachi Loco
  type: MusicAlbum
  date published: 2020-04-09