Josch Siewert
type: MusicGroup
popularity: 3
followers: 336
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b859007a1db8ed0662e3e52ac65de005f30bf657b0175f1c8931e94b28a290a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da5301b9-2f66-4501-b16b-394e342118ea.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da5301b9-2f66-4501-b16b-394e342118ea.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/da5301b9-2f66-4501-b16b-394e342118ea
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5b859007a1db8ed0662e3e52ac65de005f30bf657b0175f1c8931e94b28a290a","name":"Josch Siewert","registered_at":"2026-06-21T04:11:14Z","symbol":"NIM1815002","token_address":"0xa9a076fdab5dc2823d5e484904810754c450eb3a","type":"artist","uuid":"da5301b9-2f66-4501-b16b-394e342118ea"}
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 0x5b859007a1db8ed0662e3e52ac65de005f30bf657b0175f1c8931e94b28a290a. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da5301b9-2f66-4501-b16b-394e342118ea.json and https://artists.proofprofile.net/proofs/artist/da5301b9-2f66-4501-b16b-394e342118ea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0x5b859007a1db8ed0662e3e52ac65de005f30bf657b0175f1c8931e94b28a290a","name":"Josch Siewert","registered_at":"2026-06-21T04:11:14Z","symbol":"NIM1815002","token_address":"0xa9a076fdab5dc2823d5e484904810754c450eb3a","type":"artist","uuid":"da5301b9-2f66-4501-b16b-394e342118ea"}
album: e.p. Lzzy
  type: MusicAlbum
  date published: 2021-11-05
album: No Light
  type: MusicAlbum
  date published: 2021-12-11
album: M5T2 HEART
  type: MusicAlbum
  date published: 2023-01-06
album: Handle with care
  type: MusicAlbum
  date published: 2023-02-24
album: LESS MAD SADNESS
  type: MusicAlbum
  date published: 2024-01-13
album: Alien love visit / Comsic
  type: MusicAlbum
  date published: 2024-05-09
album: N / E / W / S
  type: MusicAlbum
  date published: 2024-08-07
album: Shattered Void
  type: MusicAlbum
  date published: 2024-12-11
album: Star-Crossed Plus (Vocal Mix)
  type: MusicAlbum
  date published: 2025-04-09
album: Star-Crossed (orig.Mix)
  type: MusicAlbum
  date published: 2025-05-28
  track: Star-Crossed (orig.Mix)
    type: MusicRecording
    duration: PT5M24S
    duration ms: 324418
    explicit: false
    by artist: Josch Siewert
    in album: Star-Crossed (orig.Mix)
      type: MusicAlbum
      date published: 2025-05-28
    isrc code: QZTAT2595461
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T00:51:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf9fa56371321d989387d48c1390193c4b9b9406c5ca480f0a78a24c3c11731da
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958802
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958802
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAT2595461
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T01:04:02Z
    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 0xf9fa56371321d989387d48c1390193c4b9b9406c5ca480f0a78a24c3c11731da. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/QZTAT2595461.
      date published: 2026-07-20T01:04:02Z
    audio: Star-Crossed (orig.Mix)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.313
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.269
      additional property: Energy
        type: PropertyValue
        value: 0.826
      additional property: Speechiness
        type: PropertyValue
        value: 0.088
      additional property: Acousticness
        type: PropertyValue
        value: 0.004
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.689
      additional property: Liveness
        type: PropertyValue
        value: 0.112
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.51
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.397
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: re:Sur-rection
  type: MusicAlbum
  date published: 2025-08-28