Marina Stolyar
type: MusicGroup
popularity: 21
followers: 115
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf42d2da945afa4e0b9980c6724532776a2c8c012bafd67a54d15303a0dee8a2
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/66baca97-d625-43c2-9285-f199f3ea9597.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/66baca97-d625-43c2-9285-f199f3ea9597.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/66baca97-d625-43c2-9285-f199f3ea9597
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcf42d2da945afa4e0b9980c6724532776a2c8c012bafd67a54d15303a0dee8a2","name":"Marina Stolyar","registered_at":"2026-06-12T15:35:05Z","symbol":"NIM0132961","token_address":"0x996177b3f713bda558d4b87b03e41e56a60a4da4","type":"artist","uuid":"66baca97-d625-43c2-9285-f199f3ea9597"}
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 0xcf42d2da945afa4e0b9980c6724532776a2c8c012bafd67a54d15303a0dee8a2. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/66baca97-d625-43c2-9285-f199f3ea9597.json and https://artists.proofprofile.net/proofs/artist/66baca97-d625-43c2-9285-f199f3ea9597.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xcf42d2da945afa4e0b9980c6724532776a2c8c012bafd67a54d15303a0dee8a2","name":"Marina Stolyar","registered_at":"2026-06-12T15:35:05Z","symbol":"NIM0132961","token_address":"0x996177b3f713bda558d4b87b03e41e56a60a4da4","type":"artist","uuid":"66baca97-d625-43c2-9285-f199f3ea9597"}
album: Dmitri Roudnev: Ballet Class Music Recordings, Vol. 1
  type: MusicAlbum
  date published: 2022-11-08
album: Dmitri Roudnev: Ballet Class Music Recordings, Vol. 2
  type: MusicAlbum
  date published: 2022-12-08
  track: Battement Tendu Roudnev, Vol. 2
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166160
    explicit: false
    by artist: Marina Stolyar
    in album: Dmitri Roudnev: Ballet Class Music Recordings, Vol. 2
      type: MusicAlbum
      date published: 2022-12-08
    isrc code: USL4R2252571
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T21:01:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfac5e40579d33cb9be8ee25f4c27d637500b87f3a8eea79d027c243fc3dfbe1e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958783
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958783
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2252571
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T00:02:50Z
    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 0xfac5e40579d33cb9be8ee25f4c27d637500b87f3a8eea79d027c243fc3dfbe1e. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:02:50Z), 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/USL4R2252571.
      date published: 2026-07-20T00:02:50Z
    audio: Battement Tendu Roudnev, Vol. 2
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.574
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.432
      additional property: Energy
        type: PropertyValue
        value: 0.346
      additional property: Speechiness
        type: PropertyValue
        value: 0.063
      additional property: Acousticness
        type: PropertyValue
        value: 0.954
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.943
      additional property: Liveness
        type: PropertyValue
        value: 0.102
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.243
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.791
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Ballet Class Music Recordings, Vol. 3
  type: MusicAlbum
  date published: 2022-12-12