NIRVA
type: MusicGroup
genre: gospel r&b
description: thumb|Tampere Adult Education Center in Nirva Nirva is a neighbourhood in the southern part of the city of Tampere, Finland, and it is located between Koivistonkylä and Lahdesjärvi districts. Nirva ha
popularity: 10
followers: 595
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additional property: CopyrightChainExplorerURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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 0x861227950f43de04c9c1a9942408d203cc0ffc1cb362a504582a8a2060f65fc5. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c6d2f6e3-afca-4f24-9d09-562b9c663529.json and https://artists.proofprofile.net/proofs/artist/c6d2f6e3-afca-4f24-9d09-562b9c663529.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T22:44:50Z
album: Freedom Fighter
  type: MusicAlbum
  date published: 2020-10-30
album: Freedom Fighter
  type: MusicAlbum
  date published: 2020-10-30
album: Higher
  type: MusicAlbum
  date published: 2021-04-30
album: Higher
  type: MusicAlbum
  date published: 2021-04-30
album: All That's Within Me
  type: MusicAlbum
  date published: 2021-09-03
album: All That's Within Me
  type: MusicAlbum
  date published: 2021-09-03
album: Higher
  type: MusicAlbum
  date published: 2021-10-08
album: Higher
  type: MusicAlbum
  date published: 2021-10-08
album: Freedom Fighter (Jimmy James Remix)
  type: MusicAlbum
  date published: 2022-02-11
album: Freedom Fighter (Jimmy James Remix)
  type: MusicAlbum
  date published: 2022-02-11
album: Freedom Fighter (Jimmy James Remix)
  type: MusicAlbum
  date published: 2023-03-31
  track: Freedom Fighter (Jimmy James Remix)
    type: MusicRecording
    duration: PT3M30S
    duration ms: 210461
    explicit: false
    by artist: NIRVA
    in album: Freedom Fighter (Jimmy James Remix)
      type: MusicAlbum
      date published: 2023-03-31
    genre: gospel r&b
    isrc code: ZAW8W2200224
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0xb3ed99db34fe3d50424431b04d51ec56a801be473c093dd4c8c04d93265e9a9b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/ZAW8W2200224.
      date published: 2026-07-05T10:01:46Z
    audio: Freedom Fighter (Jimmy James Remix)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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        value: 4
      additional property: Danceability
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      additional property: Speechiness
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      additional property: Loudness (dB)
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        value: -11.46
      additional property: Key Name
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        value: C
      additional property: Mode Name
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