Horacio Cruz
type: MusicGroup
popularity: 7
followers: 1390
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ba603d000043a1203c25a0bf246e6ff6a2722645124a75e81023f71988cb2d5. 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/9a94f546-781e-4744-ab84-7accc6a32c34.json and https://artists.proofprofile.net/proofs/artist/9a94f546-781e-4744-ab84-7accc6a32c34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T04:47:29Z
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album: Maracena City / Remote Sensor
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  type: MusicAlbum
  date published: 2022-07-05
  track: Hell Mallet
    type: MusicRecording
    duration: PT6M8S
    duration ms: 368695
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    by artist: Horacio Cruz
    in album: Hell Mallet
      type: MusicAlbum
      date published: 2022-07-05
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    additional property: CopyrightStatus
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    additional property: OTSTimestamp
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64405a95449750948141281bdb645238526873f7509b75362ff5469bf1f340dd. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/GBKQU2256384.
      date published: 2026-07-19T00:50:09Z
    audio: Hell Mallet
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      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
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album: Octopus Black

Musical Key
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value: 7

Mode (Major/Minor)
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value: 1

Time Signature
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value: 4

Danceability
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value: 0.705

Energy
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value: 0.975

Speechiness
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Acousticness
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value: 0

Instrumentalness
type: PropertyValue
value: 0.912

Liveness
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value: 0.191

Valence (Positivity)
type: PropertyValue
value: 0.037

Loudness (dB)
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value: -5.22

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Chapa Y Pintura
type: MusicAlbum
date published: 2023-02-09

Pinpollo
type: MusicAlbum
date published: 2023-04-03

From hell to the cave
type: MusicAlbum
date published: 2023-06-08

Despiertos (Marco Bailey & Tom Hades Remix)
type: MusicAlbum
date published: 2023-10-01

Asiento XL
type: MusicAlbum
date published: 2023-10-16

Darkgroovers
type: MusicAlbum
date published: 2024-03-04

Tribal 33
type: MusicAlbum
date published: 2024-05-10

Mafia in the hell
type: MusicAlbum
date published: 2024-05-20

Egregor
type: MusicAlbum
date published: 2025-02-24

Octopus Black
type: MusicAlbum
date published: 2025-09-19