Zdrako Mihaylov
type: MusicGroup
genre: gregorian chant
popularity: 6
followers: 66
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecdfb5ac5e81da04ba0cdbbcba50d4a853a66ca997efc47daf5ddb763a9bac89
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c1d78de2-7650-423e-b9ce-cf8e1a1e55db.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c1d78de2-7650-423e-b9ce-cf8e1a1e55db.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c1d78de2-7650-423e-b9ce-cf8e1a1e55db
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xecdfb5ac5e81da04ba0cdbbcba50d4a853a66ca997efc47daf5ddb763a9bac89","name":"Zdrako Mihaylov","registered_at":"2026-06-20T19:37:32Z","symbol":"NIM1692935","token_address":"0xe277be5412721ac396c68e5f2d38263185c23dfc","type":"artist","uuid":"c1d78de2-7650-423e-b9ce-cf8e1a1e55db"}
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 0xecdfb5ac5e81da04ba0cdbbcba50d4a853a66ca997efc47daf5ddb763a9bac89. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c1d78de2-7650-423e-b9ce-cf8e1a1e55db.json and https://artists.proofprofile.net/proofs/artist/c1d78de2-7650-423e-b9ce-cf8e1a1e55db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xecdfb5ac5e81da04ba0cdbbcba50d4a853a66ca997efc47daf5ddb763a9bac89","name":"Zdrako Mihaylov","registered_at":"2026-06-20T19:37:32Z","symbol":"NIM1692935","token_address":"0xe277be5412721ac396c68e5f2d38263185c23dfc","type":"artist","uuid":"c1d78de2-7650-423e-b9ce-cf8e1a1e55db"}
album: The Great Voices of Bulgaria, Vol. 1 (Women's Choir of Sofia)
  type: MusicAlbum
  date published: 1991-01-01
album: The Great Voices of Bulgaria, Vol. 2 (Men's Choir)
  type: MusicAlbum
  date published: 1991-01-01
  track: We Sing to You, Pt. 1
    type: MusicRecording
    duration: PT2M18S
    duration ms: 138240
    explicit: false
    by artist: Zdrako Mihaylov
    in album: The Great Voices of Bulgaria, Vol. 2 (Men's Choir)
      type: MusicAlbum
      date published: 1991-01-01
    genre: gregorian chant
    isrc code: FR10S1748563
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T05:57:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfbdc358e124c38f6d77ba0e86e9baa917da041ec6d1f7cb9d5e494572f25f415
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958251
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958251
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1748563
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T06:29:25Z
    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 0xfbdc358e124c38f6d77ba0e86e9baa917da041ec6d1f7cb9d5e494572f25f415. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/FR10S1748563.
      date published: 2026-07-16T06:29:25Z
    audio: We Sing to You, Pt. 1
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 123.996
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.172
      additional property: Energy
        type: PropertyValue
        value: 0.018
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.989
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.921
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.037
      additional property: Loudness (dB)
        type: PropertyValue
        value: -33.226
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: The Great Voices of Bulgaria, Vol. 3 (Mixed Choir)
  type: MusicAlbum
  date published: 1991-01-01