BassJ
type: MusicGroup
genre: frenchcore
popularity: 22
followers: 1378
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7acdade21aa598821a823701bd451932ee54fc04400220db4a4f2bd6f3e4b7d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9e4c4829-8f93-4d26-b340-341f2922db61.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9e4c4829-8f93-4d26-b340-341f2922db61.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9e4c4829-8f93-4d26-b340-341f2922db61
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x7acdade21aa598821a823701bd451932ee54fc04400220db4a4f2bd6f3e4b7d2. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9e4c4829-8f93-4d26-b340-341f2922db61.json and https://artists.proofprofile.net/proofs/artist/9e4c4829-8f93-4d26-b340-341f2922db61.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: GYPSY ON KETAMINE
  type: MusicAlbum
  date published: 2022-12-13
  track: GYPSY ON KETAMINE
    type: MusicRecording
    duration: PT2M42S
    duration ms: 162021
    explicit: true
    by artist: BassJ
    in album: GYPSY ON KETAMINE
      type: MusicAlbum
      date published: 2022-12-13
    genre: frenchcore
    isrc code: QZTB72252060
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T02:51:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe2b75673d570dc3cd335923e38eae173f8a8742dec5fd4665e364a2038d7919e
    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/QZTB72252060
    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 0xe2b75673d570dc3cd335923e38eae173f8a8742dec5fd4665e364a2038d7919e. 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/QZTB72252060.
      date published: 2026-07-04T11:19:20Z
    audio: GYPSY ON KETAMINE
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.939
      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: 0.569
      additional property: Energy
        type: PropertyValue
        value: 0.994
      additional property: Speechiness
        type: PropertyValue
        value: 0.07
      additional property: Acousticness
        type: PropertyValue
        value: 0.005
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.029
      additional property: Liveness
        type: PropertyValue
        value: 0.867
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.269
      additional property: Loudness (dB)
        type: PropertyValue
        value: 0.382
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Snowman (Frenchcore)
  type: MusicAlbum
  date published: 2022-12-15
album: HAFO (Frenchcore/Uptempo)
  type: MusicAlbum
  date published: 2022-12-16
album: Kabát - Kůže Líná od Kolína | Hardstyle
  type: MusicAlbum
  date published: 2023-03-05
album: Duklock - Co na to David | Frenchcore
  type: MusicAlbum
  date published: 2023-03-06
album: It's my life (Hardstyle)
  type: MusicAlbum
  date published: 2023-05-31
album: AK47
  type: MusicAlbum
  date published: 2023-07-17
album: Snowman
  type: MusicAlbum
  date published: 2023-11-06
album: CATACLYSM
  type: MusicAlbum
  date published: 2023-11-18
album: Hardcore Never Die
  type: MusicAlbum
  date published: 2024-11-15
  track: Hardcore Never Die
    type: MusicRecording
    duration: PT2M3S
    duration ms: 123874
    explicit: false
    by artist: BassJ
    in album: Hardcore Never Die
      type: MusicAlbum
      date published: 2024-11-15
    genre: frenchcore
    isrc code: QZZ772430635
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T08:45:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x799d45ac8ce716a99efd70c62ca9783b35527b792dafb0c3e97fb1a27664e2e8
    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/QZZ772430635
    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 0x799d45ac8ce716a99efd70c62ca9783b35527b792dafb0c3e97fb1a27664e2e8. 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/QZZ772430635.
      date published: 2026-07-04T11:19:20Z
    audio: Hardcore Never Die
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 179.936
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.553

Energy
type: PropertyValue
value: 0.874

Speechiness
type: PropertyValue
value: 0.2

Acousticness
type: PropertyValue
value: 0.003

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.365

Valence (Positivity)
type: PropertyValue
value: 0.549

Loudness (dB)
type: PropertyValue
value: -2.709

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major