Sidney Chopin
type: MusicGroup
popularity: 9
followers: 95
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e224e213dc1be5c5702fd902f94d15ae5490cfadf92e850eb8ea01ff4da76d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ec66c2fc-7c77-4e20-bd56-031cf6967dab.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ec66c2fc-7c77-4e20-bd56-031cf6967dab.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ec66c2fc-7c77-4e20-bd56-031cf6967dab
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8e224e213dc1be5c5702fd902f94d15ae5490cfadf92e850eb8ea01ff4da76d0","name":"Sidney Chopin","registered_at":"2026-06-21T11:10:57Z","symbol":"NIM1908629","token_address":"0x155cd14d1e9b5db30c5f00283e71b9fce6b9ab58","type":"artist","uuid":"ec66c2fc-7c77-4e20-bd56-031cf6967dab"}
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 0x8e224e213dc1be5c5702fd902f94d15ae5490cfadf92e850eb8ea01ff4da76d0. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ec66c2fc-7c77-4e20-bd56-031cf6967dab.json and https://artists.proofprofile.net/proofs/artist/ec66c2fc-7c77-4e20-bd56-031cf6967dab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x8e224e213dc1be5c5702fd902f94d15ae5490cfadf92e850eb8ea01ff4da76d0","name":"Sidney Chopin","registered_at":"2026-06-21T11:10:57Z","symbol":"NIM1908629","token_address":"0x155cd14d1e9b5db30c5f00283e71b9fce6b9ab58","type":"artist","uuid":"ec66c2fc-7c77-4e20-bd56-031cf6967dab"}
album: Sending Love (Felted Piano)
  type: MusicAlbum
  date published: 2022-08-10
album: Noir (Felted Piano)
  type: MusicAlbum
  date published: 2022-09-20
  track: Noir (Felted Piano)
    type: MusicRecording
    duration: PT2M3S
    duration ms: 123559
    explicit: false
    by artist: Sidney Chopin
    in album: Noir (Felted Piano)
      type: MusicAlbum
      date published: 2022-09-20
    isrc code: AUFV22210008
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T15:17:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x69c2cb058a2a63accae9b4fca62e8604ab87ca02d1b613789e3809fece0ba223
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUFV22210008
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0x69c2cb058a2a63accae9b4fca62e8604ab87ca02d1b613789e3809fece0ba223. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/AUFV22210008.
      date published: 2026-07-05T18:48:28Z
    audio: Noir (Felted Piano)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 71.773
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.452
      additional property: Energy
        type: PropertyValue
        value: 0.005
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
        type: PropertyValue
        value: 0.987
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.963
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.248
      additional property: Loudness (dB)
        type: PropertyValue
        value: -26.956
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Once Upon Impossible (Felted Piano)
  type: MusicAlbum
  date published: 2022-10-18
album: Blue Dream (Felted Piano)
  type: MusicAlbum
  date published: 2022-11-11
album: Snow Bird (Felted Piano)
  type: MusicAlbum
  date published: 2022-12-06
album: Love in Winter (Felted Piano)
  type: MusicAlbum
  date published: 2022-12-21
album: Calling Earth (Felted Piano)
  type: MusicAlbum
  date published: 2023-01-13
album: Ireland Dream
  type: MusicAlbum
  date published: 2023-02-03
  track: Ireland Dream
    type: MusicRecording
    duration: PT2M53S
    duration ms: 173267
    explicit: false
    by artist: Sidney Chopin
    in album: Ireland Dream
      type: MusicAlbum
      date published: 2023-02-03
    isrc code: AUFV22310001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T02:39:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xada61443df92badedd5cde9bf9ce5e1a70f2bb6517db3bfa54a8ad8d916b1b75
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUFV22310001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0xada61443df92badedd5cde9bf9ce5e1a70f2bb6517db3bfa54a8ad8d916b1b75. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/AUFV22310001.
      date published: 2026-07-05T10:01:46Z
    audio: Ireland Dream
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.547
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.455
      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: 600 Years (Felted Piano)
album: Contemplating (Felted Piano)
album: Moving On (Felted Piano)
album: Lullaby
album: Shall We Dance
album: The Gift – Felted Piano
album: The Mirror (Felted Piano)
album: Stasis (Felted Piano)

Energy
type: PropertyValue
value: 0.091

Speechiness
type: PropertyValue
value: 0.044

Acousticness
type: PropertyValue
value: 0.991

Instrumentalness
type: PropertyValue
value: 0.912

Liveness
type: PropertyValue
value: 0.084

Valence (Positivity)
type: PropertyValue
value: 0.118

Loudness (dB)
type: PropertyValue
value: -21.961

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

600 Years (Felted Piano)
type: MusicAlbum
date published: 2023-02-24

Contemplating (Felted Piano)
type: MusicAlbum
date published: 2023-03-15

Moving On (Felted Piano)
type: MusicAlbum
date published: 2023-05-19

Lullaby
type: MusicAlbum
date published: 2023-06-16

Shall We Dance
type: MusicAlbum
date published: 2023-07-26

The Gift – Felted Piano
type: MusicAlbum
date published: 2024-02-08

The Mirror (Felted Piano)
type: MusicAlbum
date published: 2025-05-09

Stasis (Felted Piano)
type: MusicAlbum
date published: 2025-06-11