Nuvareth
type: MusicGroup
popularity: 7
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4bbd691a9a8b4902dc38de965bfdae8ea45c0c3311ae15b7145e283f64ce140
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/53521df3-59bb-4624-9a61-a2270d79971e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/53521df3-59bb-4624-9a61-a2270d79971e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/53521df3-59bb-4624-9a61-a2270d79971e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
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 0xd4bbd691a9a8b4902dc38de965bfdae8ea45c0c3311ae15b7145e283f64ce140. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/53521df3-59bb-4624-9a61-a2270d79971e.json and https://artists.proofprofile.net/proofs/artist/53521df3-59bb-4624-9a61-a2270d79971e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Pocałunki Słońca
  type: MusicAlbum
  date published: 2025-05-17
  track: Pocałunki Słońca
    type: MusicRecording
    duration: PT2M24S
    duration ms: 144000
    explicit: false
    by artist: Nuvareth
    in album: Pocałunki Słońca
      type: MusicAlbum
      date published: 2025-05-17
    isrc code: QZPLR2590519
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T07:58:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0ce7510595440295d87d532b7317404b3604dc0a31d1c2aaf3d0468133ae5ffd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956639
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956639
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPLR2590519
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T11:19:20Z
    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 0x0ce7510595440295d87d532b7317404b3604dc0a31d1c2aaf3d0468133ae5ffd. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZPLR2590519.
      date published: 2026-07-04T11:19:20Z
    audio: Pocałunki Słońca
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.475
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.782
      additional property: Energy
        type: PropertyValue
        value: 0.492
      additional property: Speechiness
        type: PropertyValue
        value: 0.142
      additional property: Acousticness
        type: PropertyValue
        value: 0.081
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.933
      additional property: Liveness
        type: PropertyValue
        value: 0.191
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.552
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.59
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Under the Winter Sky
  type: MusicAlbum
  date published: 2025-05-20
  track: Under the Winter Sky
    type: MusicRecording
    duration: PT2M24S
    duration ms: 144000
    explicit: false
    by artist: Nuvareth
    in album: Under the Winter Sky
      type: MusicAlbum
      date published: 2025-05-20
    isrc code: QZRP42547675
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T18:56:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe4349d8270d57883e880f2063f5f4e24db84397f9b866ed110125e7a0db56742
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958448
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958448
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42547675
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:49:21Z
    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 0xe4349d8270d57883e880f2063f5f4e24db84397f9b866ed110125e7a0db56742. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZRP42547675.
      date published: 2026-07-17T19:49:21Z
    audio: Under the Winter Sky
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 150.004
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.514
      additional property: Energy
        type: PropertyValue
        value: 0.394
      additional property: Speechiness
        type: PropertyValue
        value: 0.129
      additional property: Acousticness
        type: PropertyValue
        value: 0.147
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.905
      additional property: Liveness
        type: PropertyValue
        value: 0.197
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.394
      additional property: Loudness (dB)
        type: PropertyValue
        value: -18.651
      additional property: Key Name
      additional property: Mode Name
album: Sotto il Cielo Invernale

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Sotto il Cielo Invernale
type: MusicAlbum
date published: 2025-05-24
track: Sotto il Cielo Invernale
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144000
  explicit: false
  by artist: Nuvareth
  in album: Sotto il Cielo Invernale
    type: MusicAlbum
    date published: 2025-05-24
  isrc code: QZTAS2521938
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T07:56:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7c9cdbce8a514d95ed0ef8ad63f2a2ddb26fb5d797e482f5977f81e83ac41603
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAS2521938
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0x7c9cdbce8a514d95ed0ef8ad63f2a2ddb26fb5d797e482f5977f81e83ac41603. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZTAS2521938.
    date published: 2026-07-04T11:19:20Z
  audio: Sotto il Cielo Invernale
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.502
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.839
    additional property: Energy
      type: PropertyValue
      value: 0.448
    additional property: Speechiness
      type: PropertyValue
      value: 0.18
    additional property: Acousticness
      type: PropertyValue
      value: 0.082
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.913
    additional property: Liveness
      type: PropertyValue
      value: 0.117
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.37
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.787
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major