Quinteto Acordeones
type: MusicGroup
genre: polka
popularity: 6
followers: 215
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc3e26f616ee9c96a8a3a9a37461350b21a09e56b383ca456498fdf894515af7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953882
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953882
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0a885691-5953-4213-a6a4-d96518971152.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0a885691-5953-4213-a6a4-d96518971152.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0a885691-5953-4213-a6a4-d96518971152
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T03:13:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdc3e26f616ee9c96a8a3a9a37461350b21a09e56b383ca456498fdf894515af7","name":"Quinteto Acordeones","registered_at":"2026-06-15T17:15:28Z","symbol":"NIM0776865","token_address":"0xb9853f113443d235be93f16810f347862c5ec86a","type":"artist","uuid":"0a885691-5953-4213-a6a4-d96518971152"}
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 0xdc3e26f616ee9c96a8a3a9a37461350b21a09e56b383ca456498fdf894515af7. Chain 2 (Bitcoin): anchored in block 953882 (2026-06-16T03:13:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0a885691-5953-4213-a6a4-d96518971152.json and https://artists.proofprofile.net/proofs/artist/0a885691-5953-4213-a6a4-d96518971152.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T03:13:34Z
  text: {"copyright_id":"0xdc3e26f616ee9c96a8a3a9a37461350b21a09e56b383ca456498fdf894515af7","name":"Quinteto Acordeones","registered_at":"2026-06-15T17:15:28Z","symbol":"NIM0776865","token_address":"0xb9853f113443d235be93f16810f347862c5ec86a","type":"artist","uuid":"0a885691-5953-4213-a6a4-d96518971152"}
album: Fiesta de Acordeones
  type: MusicAlbum
  date published: 2015-10-06
album: La Música de Italia
  type: MusicAlbum
  date published: 2016-04-30
  track: O Sole Mio
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159280
    explicit: false
    by artist: Quinteto Acordeones
    in album: La Música de Italia
      type: MusicAlbum
      date published: 2016-04-30
    genre: polka
    isrc code: ARA231600062
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T19:43:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdbbe2bea38f9b49ce51b3f81cbe2a515649715c9a02b09ff3894eb6d48eba717
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARA231600062
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0xdbbe2bea38f9b49ce51b3f81cbe2a515649715c9a02b09ff3894eb6d48eba717. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/ARA231600062.
      date published: 2026-07-05T01:12:41Z
    audio: O Sole Mio
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.937
      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: 0.558
      additional property: Energy
        type: PropertyValue
        value: 0.5
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.372
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.177
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.549
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.364
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: La Cumparsita
  type: MusicAlbum
  date published: 2022-04-29
album: Bella Ciao
  type: MusicAlbum
  date published: 2022-04-29
album: Zorba El Griego
  type: MusicAlbum
  date published: 2022-04-29
album: Juan de Gualeyán
  type: MusicAlbum
  date published: 2022-04-29
album: La Solapa
  type: MusicAlbum
  date published: 2022-04-29
album: Canción de Puerto Sánchez
  type: MusicAlbum
  date published: 2023-06-13