Alex Ursu
type: MusicGroup
popularity: 4
followers: 20
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd66554ffac1811a44e1baf9b374f2e8eb9f52f7baeb2014d8c0c2ec85238cff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954647
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954647
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d7fab146-ba0d-4774-bcd4-e454417c6ccf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d7fab146-ba0d-4774-bcd4-e454417c6ccf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d7fab146-ba0d-4774-bcd4-e454417c6ccf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:36:58Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfd66554ffac1811a44e1baf9b374f2e8eb9f52f7baeb2014d8c0c2ec85238cff","name":"Alex Ursu","registered_at":"2026-06-21T03:30:33Z","symbol":"NIM1806841","token_address":"0xe5cb36a071df3cb2b8db798e7d0c71db0198ca0a","type":"artist","uuid":"d7fab146-ba0d-4774-bcd4-e454417c6ccf"}
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 0xfd66554ffac1811a44e1baf9b374f2e8eb9f52f7baeb2014d8c0c2ec85238cff. Chain 2 (Bitcoin): anchored in block 954647 (2026-06-21T04:36:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d7fab146-ba0d-4774-bcd4-e454417c6ccf.json and https://artists.proofprofile.net/proofs/artist/d7fab146-ba0d-4774-bcd4-e454417c6ccf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:36:58Z
  text: {"copyright_id":"0xfd66554ffac1811a44e1baf9b374f2e8eb9f52f7baeb2014d8c0c2ec85238cff","name":"Alex Ursu","registered_at":"2026-06-21T03:30:33Z","symbol":"NIM1806841","token_address":"0xe5cb36a071df3cb2b8db798e7d0c71db0198ca0a","type":"artist","uuid":"d7fab146-ba0d-4774-bcd4-e454417c6ccf"}
album: sunny days
  type: MusicAlbum
  date published: 2025-01-08
album: the healing
  type: MusicAlbum
  date published: 2025-01-27
  track: the healing
    type: MusicRecording
    duration: PT1M26S
    duration ms: 86613
    explicit: false
    by artist: Alex Ursu
    in album: the healing
      type: MusicAlbum
      date published: 2025-01-27
    isrc code: CAHQJ2558671
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T04:32:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfa9dbb1bfbf18da543cbecc11c276a17e726ae21b278ae52c0f28ff22381055b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959105
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959105
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAHQJ2558671
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T07:35:05Z
    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 0xfa9dbb1bfbf18da543cbecc11c276a17e726ae21b278ae52c0f28ff22381055b. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T07:35:05Z), 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/CAHQJ2558671.
      date published: 2026-07-22T07:35:05Z
    audio: the healing
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 50
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0
      additional property: Energy
        type: PropertyValue
        value: 0
      additional property: Speechiness
        type: PropertyValue
        value: 0
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.615
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: POKER BLUFF
  type: MusicAlbum
  date published: 2025-02-28
album: Pokeromance I
  type: MusicAlbum
  date published: 2025-04-16
album: Crystal Tears
  type: MusicAlbum
  date published: 2025-04-16
album: bleeding heart
  type: MusicAlbum
  date published: 2025-07-07