Mariachi
type: MusicGroup
description: Mariachi (, , ) is a genre of regional Mexican music dating back to at least the 18th century, evolving over time in the countryside of various regions of western Mexico. The usual mariachi group toda
popularity: 4
followers: 268
additional property: CopyrightID
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d5a65f2f7e24014f561d913925ae2627479da8a1ea83451db8fe827e853f629. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/66096807-29a0-491d-aa3a-6f15ffd5fd14.json and https://artists.proofprofile.net/proofs/artist/66096807-29a0-491d-aa3a-6f15ffd5fd14.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: The Heart of Mexico
  type: MusicAlbum
  date published: 1960-01-01
album: Mariachi et le Ballet Jalisco
  type: MusicAlbum
  date published: 1990
  track: La Bruja
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202533
    explicit: false
    by artist: Mariachi
    in album: Mariachi et le Ballet Jalisco
      type: MusicAlbum
      date published: 1990
    isrc code: FRZ179010650
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    additional property: OTSVerifyInstructions
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      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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2993d74ad2f5361ada91d3959a4ede2b34d896f176a1f6e34a2638d51ead3560. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/FRZ179010650.
      date published: 2026-07-18T18:05:01Z
    audio: La Bruja
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 153.898
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.539
      additional property: Energy
        type: PropertyValue
        value: 0.329
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.777
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.073
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.649
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.196
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Free
  type: MusicAlbum
  date published: 2009-05-22