Ерден
type: MusicGroup
popularity: 3
followers: 42
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6cb2308ffefe83c37540ecad746c32785b4e4e72b3fa52af5acbfb43c16573b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8b6f1b16-b563-4430-93d8-8968c1077fe6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8b6f1b16-b563-4430-93d8-8968c1077fe6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8b6f1b16-b563-4430-93d8-8968c1077fe6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc6cb2308ffefe83c37540ecad746c32785b4e4e72b3fa52af5acbfb43c16573b","name":"Ерден","registered_at":"2026-06-17T14:04:19Z","symbol":"NIM1418378","token_address":"0x2913c8dcf987e5c1c6e85744483d49fd2d360aed","type":"artist","uuid":"8b6f1b16-b563-4430-93d8-8968c1077fe6"}
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 0xc6cb2308ffefe83c37540ecad746c32785b4e4e72b3fa52af5acbfb43c16573b. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8b6f1b16-b563-4430-93d8-8968c1077fe6.json and https://artists.proofprofile.net/proofs/artist/8b6f1b16-b563-4430-93d8-8968c1077fe6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xc6cb2308ffefe83c37540ecad746c32785b4e4e72b3fa52af5acbfb43c16573b","name":"Ерден","registered_at":"2026-06-17T14:04:19Z","symbol":"NIM1418378","token_address":"0x2913c8dcf987e5c1c6e85744483d49fd2d360aed","type":"artist","uuid":"8b6f1b16-b563-4430-93d8-8968c1077fe6"}
album: Қамажай
  type: MusicAlbum
  date published: 2024-12-15
  track: Қамажай
    type: MusicRecording
    duration: PT4M0S
    duration ms: 240566
    explicit: false
    by artist: Ерден
    in album: Қамажай
      type: MusicAlbum
      date published: 2024-12-15
    isrc code: TCAJD2434894
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T00:59:59+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcabc4cefe590677d0cf85d5cd0f9324a07877400d0eb2e748ef7a9698e7d49df
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958476
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958476
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJD2434894
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T01:26:56Z
    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 0xcabc4cefe590677d0cf85d5cd0f9324a07877400d0eb2e748ef7a9698e7d49df. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/TCAJD2434894.
      date published: 2026-07-18T01:26:56Z
    audio: Қамажай
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.676
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.658
      additional property: Energy
        type: PropertyValue
        value: 0.662
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.137
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.003
      additional property: Liveness
        type: PropertyValue
        value: 0.388
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.292
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.759
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor