Kostn
type: MusicGroup
popularity: 7
followers: 252
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcadd6880b4f2a3a489a5bbdec984b17b7546b6b17e1065662647a6908802a51d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6c2536c-cea6-426f-9b98-ca56296ffcc6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6c2536c-cea6-426f-9b98-ca56296ffcc6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a6c2536c-cea6-426f-9b98-ca56296ffcc6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
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 0xcadd6880b4f2a3a489a5bbdec984b17b7546b6b17e1065662647a6908802a51d. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a6c2536c-cea6-426f-9b98-ca56296ffcc6.json and https://artists.proofprofile.net/proofs/artist/a6c2536c-cea6-426f-9b98-ca56296ffcc6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
album: Lord
  type: MusicAlbum
  date published: 2019-12-01
album: Elevate
  type: MusicAlbum
  date published: 2020-03-05
album: What U Gonna Do
  type: MusicAlbum
  date published: 2020-04-05
album: Feelings
  type: MusicAlbum
  date published: 2021-02-26
album: Feelings
  type: MusicAlbum
  date published: 2021-02-26
album: Vibe
  type: MusicAlbum
  date published: 2021-04-30
album: Change Your Mind
  type: MusicAlbum
  date published: 2021-05-30
album: Change Your Mind
  type: MusicAlbum
  date published: 2021-05-30
album: Lean On You
  type: MusicAlbum
  date published: 2021-06-25
album: Lean On You
  type: MusicAlbum
  date published: 2021-06-25
album: Star Dust
  type: MusicAlbum
  date published: 2021-08-29
album: Temporary
  type: MusicAlbum
  date published: 2022-04-08
album: Temporary
  type: MusicAlbum
  date published: 2022-04-08
  track: Road Alone
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182068
    explicit: true
    by artist: Kostn
    in album: Temporary
      type: MusicAlbum
      date published: 2022-04-08
    isrc code: QZES92232192
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T16:24:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3fd8fdfd8d8156f726b735f90592142c1be4bacb7d2d0b072956e3b63765d23b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957880
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957880
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92232192
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T16:39:18Z
    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 0x3fd8fdfd8d8156f726b735f90592142c1be4bacb7d2d0b072956e3b63765d23b. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/QZES92232192.
      date published: 2026-07-13T16:39:18Z
    audio: Road Alone
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 174.056
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.565
      additional property: Energy
        type: PropertyValue
        value: 0.633
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.176
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.003
      additional property: Liveness
        type: PropertyValue
        value: 0.069
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.586
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.965
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: DEEP DOWN LOW
  type: MusicAlbum
  date published: 2022-05-27
album: DEEP DOWN LOW
  type: MusicAlbum
  date published: 2022-05-27
album: TENSION
  type: MusicAlbum
  date published: 2022-09-30
album: TENSION
  type: MusicAlbum
  date published: 2022-09-30
album: Innere Unruhe
  type: MusicAlbum
  date published: 2022-11-18
album: So Far So Bad
  type: MusicAlbum
  date published: 2023-05-19
album: Fallin Apart
  type: MusicAlbum
  date published: 2024-01-26
album: Raum + Zeit
  type: MusicAlbum
  date published: 2024-09-20