Ahora o Nunca HC
type: MusicGroup
genre: hardcore
genre: hardcore punk
popularity: 5
followers: 824
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd76000e9b6d643617fa87371597c20dc20d857a986fb4a6ed53c6aaa5ba7c897
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c347bf31-21af-436a-941f-96a7df4af3d0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c347bf31-21af-436a-941f-96a7df4af3d0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c347bf31-21af-436a-941f-96a7df4af3d0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd76000e9b6d643617fa87371597c20dc20d857a986fb4a6ed53c6aaa5ba7c897","name":"Ahora o Nunca HC","registered_at":"2026-06-20T20:06:14Z","symbol":"NIM1700677","token_address":"0xc5914d03fe7fa0f96e2650710dbcd53622c3c5b6","type":"artist","uuid":"c347bf31-21af-436a-941f-96a7df4af3d0"}
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 0xd76000e9b6d643617fa87371597c20dc20d857a986fb4a6ed53c6aaa5ba7c897. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c347bf31-21af-436a-941f-96a7df4af3d0.json and https://artists.proofprofile.net/proofs/artist/c347bf31-21af-436a-941f-96a7df4af3d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0xd76000e9b6d643617fa87371597c20dc20d857a986fb4a6ed53c6aaa5ba7c897","name":"Ahora o Nunca HC","registered_at":"2026-06-20T20:06:14Z","symbol":"NIM1700677","token_address":"0xc5914d03fe7fa0f96e2650710dbcd53622c3c5b6","type":"artist","uuid":"c347bf31-21af-436a-941f-96a7df4af3d0"}
album: Ahora o Nunca
  type: MusicAlbum
  date published: 2019-06-15
  track: Venceremos
    type: MusicRecording
    duration: PT2M1S
    duration ms: 121000
    explicit: false
    by artist: Ahora o Nunca HC
    in album: Ahora o Nunca
      type: MusicAlbum
      date published: 2019-06-15
    genre: hardcore
    genre: hardcore punk
    isrc code: GBSMU6529269
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T03:56:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe2dd043f434bbc92d73c513fa9bf3d2cd1970d56db3d3e1f863da3a845b729a3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958362
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958362
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU6529269
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:32:48Z
    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 0xe2dd043f434bbc92d73c513fa9bf3d2cd1970d56db3d3e1f863da3a845b729a3. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/GBSMU6529269.
      date published: 2026-07-17T04:32:48Z
    audio: Venceremos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.015
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.514
      additional property: Energy
        type: PropertyValue
        value: 0.967
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.651
      additional property: Liveness
        type: PropertyValue
        value: 0.23
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.551
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.067
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Máquinas del Estado
  type: MusicAlbum
  date published: 2023-11-17
album: Impunidad
  type: MusicAlbum
  date published: 2023-11-24
album: Mundo Enfermo
  type: MusicAlbum
  date published: 2023-12-01