Tanzorchester und die Harmonies
type: MusicGroup
genre: cha cha cha
genre: rumba congolaise
genre: tango
popularity: 5
followers: 33
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSVerificationAPI
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256f9c9de07745d836c86e691e68fc2bb6b194a05113f601b0b70329a9fa0546. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/391239d5-c04a-4e5d-a88a-3facc22a2342.json and https://artists.proofprofile.net/proofs/artist/391239d5-c04a-4e5d-a88a-3facc22a2342.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x256f9c9de07745d836c86e691e68fc2bb6b194a05113f601b0b70329a9fa0546","name":"Tanzorchester und die Harmonies","registered_at":"2026-06-16T09:28:20Z","symbol":"NIM1009094","token_address":"0x2217908f509297d89e1aa964ae76e647a691a5b7","type":"artist","uuid":"391239d5-c04a-4e5d-a88a-3facc22a2342"}
album: Das grosse Tanzvergnügen / Folge 2
  type: MusicAlbum
  date published: 2011-07-27
  track: Juanita Cha Cha Cha - Cha Cha Cha
    type: MusicRecording
    duration: PT2M33S
    duration ms: 153360
    explicit: false
    by artist: Tanzorchester und die Harmonies
    in album: Das grosse Tanzvergnügen / Folge 2
      type: MusicAlbum
      date published: 2011-07-27
    genre: cha cha cha
    genre: rumba congolaise
    genre: tango
    isrc code: ATT251112610
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T23:17:53Z
    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 0xb5273ab3f62a6dde0557de82b8c8606d982e9dd5ca55ccebda8beb3696eb4e2e. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/ATT251112610.
      date published: 2026-07-17T23:17:53Z
    audio: Juanita Cha Cha Cha - Cha Cha Cha
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.438
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.913
      additional property: Energy
        type: PropertyValue
        value: 0.546
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.513
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.723
      additional property: Liveness
        type: PropertyValue
        value: 0.044
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.987
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.558
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major