Marlei
type: MusicGroup
genre: pop soul
popularity: 4
followers: 238
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4c699eecd5adf48b9da7023126941ed8145fc980e3d00dadf7f8797b9f069b0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9fe42ce6-cdf1-4eec-9fbf-c8180dceb917.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9fe42ce6-cdf1-4eec-9fbf-c8180dceb917.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9fe42ce6-cdf1-4eec-9fbf-c8180dceb917
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
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 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 0xe4c699eecd5adf48b9da7023126941ed8145fc980e3d00dadf7f8797b9f069b0. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9fe42ce6-cdf1-4eec-9fbf-c8180dceb917.json and https://artists.proofprofile.net/proofs/artist/9fe42ce6-cdf1-4eec-9fbf-c8180dceb917.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
album: Burn (Radio Edit)
  type: MusicAlbum
  date published: 2021-09-03
album: Burn
  type: MusicAlbum
  date published: 2021-09-03
album: Sheesh
  type: MusicAlbum
  date published: 2023-06-02
album: Malibu
  type: MusicAlbum
  date published: 2023-09-22
album: No Matter
  type: MusicAlbum
  date published: 2024-08-09
album: No Matter (Radio Edit)
  type: MusicAlbum
  date published: 2024-08-09
album: Fantasy
  type: MusicAlbum
  date published: 2025-02-13
  track: Fantasy
    type: MusicRecording
    duration: PT2M17S
    duration ms: 137216
    explicit: false
    by artist: Marlei
    in album: Fantasy
      type: MusicAlbum
      date published: 2025-02-13
    genre: pop soul
    isrc code: QZDA52539531
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T12:21:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb9d350b9f57a6b7bd30054d823d6dbd207827129f08bdd03362a27df9008ef7a
    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/QZDA52539531
    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 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 0xb9d350b9f57a6b7bd30054d823d6dbd207827129f08bdd03362a27df9008ef7a. 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/QZDA52539531.
      date published: 2026-07-05T18:48:28Z
    audio: Fantasy
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 141.891
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.491
      additional property: Energy
        type: PropertyValue
        value: 0.462
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.332
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.173
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.574
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.171
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: July
  type: MusicAlbum
  date published: 2025-07-25
  track: July
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180000
    explicit: false
    by artist: Marlei
    in album: July
      type: MusicAlbum
      date published: 2025-07-25
    genre: pop soul
    isrc code: QZWFJ2561386
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T00:47:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5b291beeaa8221ad554d100770bd816fbd305f34870b4c0fb005dd4ecb0a9540
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957785
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957785
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFJ2561386
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T01:55:31Z
    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 0x5b291beeaa8221ad554d100770bd816fbd305f34870b4c0fb005dd4ecb0a9540. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QZWFJ2561386.
      date published: 2026-07-13T01:55:31Z
    audio: July
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.019
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.663
      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: July (In the Rain)
album: Psycho

Energy
type: PropertyValue
value: 0.742

Speechiness
type: PropertyValue
value: 0.043

Acousticness
type: PropertyValue
value: 0.135

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.152

Valence (Positivity)
type: PropertyValue
value: 0.484

Loudness (dB)
type: PropertyValue
value: -5.534

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

July (In the Rain)
type: MusicAlbum
date published: 2025-07-31

Psycho
type: MusicAlbum
date published: 2025-10-17