Sin Laurent
type: MusicGroup
popularity: 62
followers: 61111
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc092fa34828ff0132f9ea1503bf68d8cc4d755599d1ab132e98d3f821a8d34e3
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/d7776f04-43fe-4bf2-be09-0fcb086e1720.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d7776f04-43fe-4bf2-be09-0fcb086e1720.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d7776f04-43fe-4bf2-be09-0fcb086e1720
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc092fa34828ff0132f9ea1503bf68d8cc4d755599d1ab132e98d3f821a8d34e3","name":"Sin Laurent","registered_at":"2026-06-12T11:02:28Z","symbol":"NIM0277983","token_address":"0xccdd84cf34814bdbc88c763520f96f0518e67a2d","type":"artist","uuid":"d7776f04-43fe-4bf2-be09-0fcb086e1720"}
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 0xc092fa34828ff0132f9ea1503bf68d8cc4d755599d1ab132e98d3f821a8d34e3. 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/d7776f04-43fe-4bf2-be09-0fcb086e1720.json and https://artists.proofprofile.net/proofs/artist/d7776f04-43fe-4bf2-be09-0fcb086e1720.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xc092fa34828ff0132f9ea1503bf68d8cc4d755599d1ab132e98d3f821a8d34e3","name":"Sin Laurent","registered_at":"2026-06-12T11:02:28Z","symbol":"NIM0277983","token_address":"0xccdd84cf34814bdbc88c763520f96f0518e67a2d","type":"artist","uuid":"d7776f04-43fe-4bf2-be09-0fcb086e1720"}
album: Pistoli
  type: MusicAlbum
  date published: 2020-07-10
album: Diamantia
  type: MusicAlbum
  date published: 2021-04-23
album: LOVE
  type: MusicAlbum
  date published: 2024-05-29
album: RADEVOU
  type: MusicAlbum
  date published: 2024-05-29
album: CASABLANCA
  type: MusicAlbum
  date published: 2024-05-29
  track: CASABLANCA
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151181
    explicit: true
    by artist: Sin Laurent
    in album: CASABLANCA
      type: MusicAlbum
      date published: 2024-05-29
    isrc code: GRSTY2401508
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T03:56:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcf1c2e296fa3725fa1dc26c5cf7b039ba5e2d5c7f738740d25a7f072b951d00b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958823
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958823
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRSTY2401508
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T06:58:55Z
    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 0xcf1c2e296fa3725fa1dc26c5cf7b039ba5e2d5c7f738740d25a7f072b951d00b. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:58:55Z), 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/GRSTY2401508.
      date published: 2026-07-20T06:58:55Z
    audio: CASABLANCA
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 127.046
      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: 0.726
      additional property: Energy
        type: PropertyValue
        value: 0.653
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.334
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.038
      additional property: Liveness
        type: PropertyValue
        value: 0.1
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.693
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.75
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: EMRATA
  type: MusicAlbum
  date published: 2024-05-29
album: SERI
  type: MusicAlbum
  date published: 2024-05-29
album: 3 A.M.
  type: MusicAlbum
  date published: 2024-05-29
album: MEMBERS' CLUB
  type: MusicAlbum
  date published: 2024-05-30
track: Mavra Gialia
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157945
  explicit: false
  by artist: Helena Paparizou
  by artist: Beyond
  by artist: Sin Laurent
  in album: Greek Pop Summer Hits 2024
    type: MusicAlbum
    date published: 2024-07-25
  isrc code: GRUM72400305
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T01:28:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7d8c48ba6927cc03684e109c764acf3c87522b7a4aa252ac0f1dc2daea8e392f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRUM72400305
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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 0x7d8c48ba6927cc03684e109c764acf3c87522b7a4aa252ac0f1dc2daea8e392f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GRUM72400305.
    date published: 2026-07-08T08:56:20Z
  audio: Mavra Gialia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 181.92
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
    additional property: Danceability
    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

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.66

Energy
type: PropertyValue
value: 0.629

Speechiness
type: PropertyValue
value: 0.282

Acousticness
type: PropertyValue
value: 0.635

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.085

Valence (Positivity)
type: PropertyValue
value: 0.459

Loudness (dB)
type: PropertyValue
value: -12.078

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Minor