Simon Grozdev
type: MusicGroup
popularity: 10
followers: 1457
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x759966764321b938d257c26c7208ee885fe522c903793a38abb679c648ecfba3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953867
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953867
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/061a12bc-586d-4883-b6ed-5eb724ba137b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/061a12bc-586d-4883-b6ed-5eb724ba137b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/061a12bc-586d-4883-b6ed-5eb724ba137b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T01:09:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x759966764321b938d257c26c7208ee885fe522c903793a38abb679c648ecfba3","name":"Simon Grozdev","registered_at":"2026-06-15T15:43:12Z","symbol":"NIM0754835","token_address":"0xce8ef56110c9d1410585ab48bfe02a3d70c951ad","type":"artist","uuid":"061a12bc-586d-4883-b6ed-5eb724ba137b"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x759966764321b938d257c26c7208ee885fe522c903793a38abb679c648ecfba3. Chain 2 (Bitcoin): anchored in block 953867 (2026-06-16T01:09:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/061a12bc-586d-4883-b6ed-5eb724ba137b.json and https://artists.proofprofile.net/proofs/artist/061a12bc-586d-4883-b6ed-5eb724ba137b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T01:09:47Z
  text: {"copyright_id":"0x759966764321b938d257c26c7208ee885fe522c903793a38abb679c648ecfba3","name":"Simon Grozdev","registered_at":"2026-06-15T15:43:12Z","symbol":"NIM0754835","token_address":"0xce8ef56110c9d1410585ab48bfe02a3d70c951ad","type":"artist","uuid":"061a12bc-586d-4883-b6ed-5eb724ba137b"}
album: love again
  type: MusicAlbum
  date published: 2022-03-25
album: all day, all night
  type: MusicAlbum
  date published: 2022-09-09
album: love in Prague
  type: MusicAlbum
  date published: 2022-12-11
  track: love in Prague
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183928
    explicit: false
    by artist: Simon Grozdev
    in album: love in Prague
      type: MusicAlbum
      date published: 2022-12-11
    isrc code: QZTB62220517
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T13:55:59+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfdc61377678f8060b7b5c8c2e7f2b926aaaf6c15354a44b97ee917189815b797
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958163
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958163
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62220517
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:38:07Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdc61377678f8060b7b5c8c2e7f2b926aaaf6c15354a44b97ee917189815b797. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/QZTB62220517.
      date published: 2026-07-15T14:38:07Z
    audio: love in Prague
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.959
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.557
      additional property: Energy
        type: PropertyValue
        value: 0.455
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.409
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.112
      additional property: Liveness
        type: PropertyValue
        value: 0.101
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.518
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.007
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: philotimo
  type: MusicAlbum
  date published: 2023-10-13
album: vampire
  type: MusicAlbum
  date published: 2024-02-29
album: out of time
  type: MusicAlbum
  date published: 2024-07-03
album: fix me
  type: MusicAlbum
  date published: 2024-10-04
album: when you're gone
  type: MusicAlbum
  date published: 2024-12-06
  track: when you're gone
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208584
    explicit: false
    by artist: Simon Grozdev
    in album: when you're gone
      type: MusicAlbum
      date published: 2024-12-06
    isrc code: QZZ7Q2490409
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T12:25:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5fd877167f85899d67647bc67722b968e084b85ec7eb9880fc398292c29949f0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958157
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958157
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7Q2490409
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T13:14:32Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fd877167f85899d67647bc67722b968e084b85ec7eb9880fc398292c29949f0. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/QZZ7Q2490409.
      date published: 2026-07-15T13:14:32Z
    audio: when you're gone
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.956
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.608
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: you're beautiful
album: tell me u love me

Energy
type: PropertyValue
value: 0.449

Speechiness
type: PropertyValue
value: 0.037

Acousticness
type: PropertyValue
value: 0.252

Instrumentalness
type: PropertyValue
value: 0.006

Liveness
type: PropertyValue
value: 0.139

Valence (Positivity)
type: PropertyValue
value: 0.104

Loudness (dB)
type: PropertyValue
value: -12.614

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

you're beautiful
type: MusicAlbum
date published: 2025-02-14

tell me u love me
type: MusicAlbum
date published: 2025-07-11