Markens
type: MusicGroup
popularity: 14
followers: 900
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed03608bc4bc5eb9f370ffedf9fa08a335cf76023be25e4e0f0ba7463e068963
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953777
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953777
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce41cc69-6cf6-4288-98e5-9e62f01915ff.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce41cc69-6cf6-4288-98e5-9e62f01915ff.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ce41cc69-6cf6-4288-98e5-9e62f01915ff
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:52:51Z
additional property: OTSCanonicalRecord
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 0xed03608bc4bc5eb9f370ffedf9fa08a335cf76023be25e4e0f0ba7463e068963. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ce41cc69-6cf6-4288-98e5-9e62f01915ff.json and https://artists.proofprofile.net/proofs/artist/ce41cc69-6cf6-4288-98e5-9e62f01915ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
album: Si kontwol
  type: MusicAlbum
  date published: 2022-07-30
album: Viser
  type: MusicAlbum
  date published: 2022-09-30
album: Paradoxe
  type: MusicAlbum
  date published: 2022-10-05
  track: Paradoxe
    type: MusicRecording
    duration: PT3M36S
    duration ms: 216500
    explicit: false
    by artist: Markens
    in album: Paradoxe
      type: MusicAlbum
      date published: 2022-10-05
    isrc code: TCAGM2292376
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T09:56:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe4e7d4133515a1eed1ddf774d7f011319a9484571610bf7264e7385b37b4112c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958140
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958140
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGM2292376
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T12:59:49Z
    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 0xe4e7d4133515a1eed1ddf774d7f011319a9484571610bf7264e7385b37b4112c. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:59:49Z), 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/TCAGM2292376.
      date published: 2026-07-15T12:59:49Z
    audio: Paradoxe
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 117.196
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.631
      additional property: Energy
        type: PropertyValue
        value: 0.485
      additional property: Speechiness
        type: PropertyValue
        value: 0.605
      additional property: Acousticness
        type: PropertyValue
        value: 0.315
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.092
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.382
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.887
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Rose Épine
  type: MusicAlbum
  date published: 2022-11-02
  track: Rose Épine
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166000
    explicit: false
    by artist: Markens
    in album: Rose Épine
      type: MusicAlbum
      date published: 2022-11-02
    isrc code: TCAGO2256702
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T13:22:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb17de69b1ba00796dcde507f392f75dbbc642e303a6d7c1bad292f75d2f91088
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGO2256702
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    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 0xb17de69b1ba00796dcde507f392f75dbbc642e303a6d7c1bad292f75d2f91088. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/TCAGO2256702.
      date published: 2026-07-05T01:43:49Z
    audio: Rose Épine
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 87.495
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.795
      additional property: Energy
        type: PropertyValue
        value: 0.427
      additional property: Speechiness
        type: PropertyValue
        value: 0.392
      additional property: Acousticness
        type: PropertyValue
        value: 0.013
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.086
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Pse New Génération
album: Prélude
album: Parfaitement imparfait
album: Avenir a Boss
album: Impérissable
album: Moce feat2
album: Mové feat3

Valence (Positivity)
type: PropertyValue
value: 0.345

Loudness (dB)
type: PropertyValue
value: -14.122

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Minor

Pse New Génération
type: MusicAlbum
date published: 2023-01-13

Prélude
type: MusicAlbum
date published: 2023-02-17

Parfaitement imparfait
type: MusicAlbum
date published: 2023-04-30

Avenir a Boss
type: MusicAlbum
date published: 2024-09-05
track: Avenir a Boss
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146564
  explicit: false
  by artist: Markens
  in album: Avenir a Boss
    type: MusicAlbum
    date published: 2024-09-05
  isrc code: TCAIR2413200
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:30:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa7e3c5a37cab601ed7b3104ed1ddc2e42319e4d9ca996837037d8402fd1b80ac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956476
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956476
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAIR2413200
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T09:04:44Z
  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 0xa7e3c5a37cab601ed7b3104ed1ddc2e42319e4d9ca996837037d8402fd1b80ac. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TCAIR2413200.
    date published: 2026-07-03T09:04:44Z
  audio: Avenir a Boss
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.034
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.862
    additional property: Energy
      type: PropertyValue
      value: 0.64
    additional property: Speechiness
      type: PropertyValue
      value: 0.323
    additional property: Acousticness
      type: PropertyValue
      value: 0.108
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.135
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.938
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.693
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Impérissable
type: MusicAlbum
date published: 2024-11-01
track: Plata o Plomo
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134000
  explicit: false
  by artist: Markens
  in album: Impérissable
    type: MusicAlbum
    date published: 2024-11-01
  isrc code: QZWFU2431336
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T01:53:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f7f68665a5dd87ebafcf9f1c7812adf4039c351fc077f064637198c8fdae5a3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958951
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958951
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFU2431336
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T04:54:58Z
  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 0x4f7f68665a5dd87ebafcf9f1c7812adf4039c351fc077f064637198c8fdae5a3. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:54:58Z), 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/QZWFU2431336.
    date published: 2026-07-21T04:54:58Z
  audio: Plata o Plomo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.199
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.741
    additional property: Energy
      type: PropertyValue
      value: 0.721
    additional property: Speechiness
      type: PropertyValue
      value: 0.271
    additional property: Acousticness
      type: PropertyValue
      value: 0.41
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.217
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.542
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.004
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Moce feat2
type: MusicAlbum
date published: 2024-11-10
track: Moce feat2
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180186
  explicit: false
  by artist: Markens
  in album: Moce feat2
    type: MusicAlbum
    date published: 2024-11-10
  isrc code: QZZ772445743
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T07:17:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe4682573edcdc797415651eda692625419d9f00fdee9558df249f5cff7b3961e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ772445743
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0xe4682573edcdc797415651eda692625419d9f00fdee9558df249f5cff7b3961e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZZ772445743.
    date published: 2026-07-04T11:19:20Z
  audio: Moce feat2
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.787
    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: 0.801
    additional property: Energy
      type: PropertyValue
      value: 0.57
    additional property: Speechiness
      type: PropertyValue
      value: 0.345
    additional property: Acousticness
      type: PropertyValue
      value: 0.56
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.16
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.723
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.719
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mové feat3
type: MusicAlbum
date published: 2025-07-18