MV
type: MusicGroup
genre: drum and bass
popularity: 7
followers: 128
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954010
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/32df6da3-6038-42c4-9f24-068de306b676.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/32df6da3-6038-42c4-9f24-068de306b676.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/32df6da3-6038-42c4-9f24-068de306b676
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:41:36Z
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 0x597c0cf8edcb4c805b1441acc8368626c9566f6514bad6822b020bdb5b83542c. Chain 2 (Bitcoin): anchored in block 954010 (2026-06-16T21:41:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/32df6da3-6038-42c4-9f24-068de306b676.json and https://artists.proofprofile.net/proofs/artist/32df6da3-6038-42c4-9f24-068de306b676.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T21:41:36Z
album: Night Experiment
  type: MusicAlbum
  date published: 2015-07-13
album: Drugs of the 80's
  type: MusicAlbum
  date published: 2016-02-21
album: Rise Up
  type: MusicAlbum
  date published: 2016-02-29
album: Rise Up
  type: MusicAlbum
  date published: 2016-02-29
album: Never Alone
  type: MusicAlbum
  date published: 2016-08-05
album: Never Alone
  type: MusicAlbum
  date published: 2016-08-05
album: Inside EP
  type: MusicAlbum
  date published: 2019-02-25
album: CONTAMINATION-EP
  type: MusicAlbum
  date published: 2019-10-28
album: Moula
  type: MusicAlbum
  date published: 2020-10-03
album: Forever
  type: MusicAlbum
  date published: 2020-10-09
album: Round 1
  type: MusicAlbum
  date published: 2021-03-29
album: Out Of Lockdown
  type: MusicAlbum
  date published: 2021-05-14
album: Event Horizon
  type: MusicAlbum
  date published: 2021-05-14
album: La Caillée
  type: MusicAlbum
  date published: 2021-08-20
album: Ready For Love
  type: MusicAlbum
  date published: 2021-08-23
album: Mars / Under Control
  type: MusicAlbum
  date published: 2022-03-11
album: Circling Like Prey
  type: MusicAlbum
  date published: 2022-03-11
album: Circling Like Prey
  type: MusicAlbum
  date published: 2022-03-11
album: Make Noise
  type: MusicAlbum
  date published: 2022-04-29
album: We Need Monsters
  type: MusicAlbum
  date published: 2022-11-24
album: No Money / Clown Business
  type: MusicAlbum
  date published: 2023-06-09
album: Save The World
  type: MusicAlbum
  date published: 2023-10-27
album: A Flame In Your Heart
  type: MusicAlbum
  date published: 2023-12-06
album: Time to Fly
  type: MusicAlbum
  date published: 2024-01-11
album: New School / Dance With Us
  type: MusicAlbum
  date published: 2024-01-19
album: Eren Jaeger
  type: MusicAlbum
  date published: 2024-06-24
album: Berserk
  type: MusicAlbum
  date published: 2024-09-27
album: Everything Sucks / Mutations
  type: MusicAlbum
  date published: 2025-04-25
album: Party Is Over
  type: MusicAlbum
  date published: 2025-05-02
album: The Collaboration
  type: MusicAlbum
  date published: 2025-10-27
track: Letters Goodbye - MV Remix
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270344
  explicit: false
  by artist: Toronto Is Broken
  by artist: Aktive
  by artist: MV
  by artist: Christina Rotondo
  in album: CLARE:redux
    type: MusicAlbum
    date published: 2023-01-27
  popularity: 7
  isrc code: QM5LC2200440
  additional property: CopyrightID
  additional property: CopyrightStatus
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    type: PropertyValue
    value: 2026-06-24T19:18:28+00:00
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM5LC2200440
  additional property: OTSTimestamp
    type: PropertyValue
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  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 0x171c5af67efd5709fa2a5fbca5ff247f77de68939865f02ca4ddef4f2705fc76. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM5LC2200440.
    date published: 2026-07-08T03:20:19Z
  audio: Letters Goodbye - MV Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
      value: 0.962
    additional property: Speechiness
      type: PropertyValue
      value: 0.088
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.377
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name

Valence (Positivity)
type: PropertyValue
value: 0.262

Loudness (dB)
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value: -7.196

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

Letters Goodbye - MV Remix
type: MusicRecording
duration: PT4M30S
duration ms: 270344
explicit: false
by artist: Toronto Is Broken
by artist: Aktive
by artist: MV
by artist: Christina Rotondo
in album: Letters Goodbye (MV Remix)
  type: MusicAlbum
  date published: 2023-01-27
isrc code: QM5LC2200440
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM5LC2200440
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x171c5af67efd5709fa2a5fbca5ff247f77de68939865f02ca4ddef4f2705fc76. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM5LC2200440.
  date published: 2026-07-02T03:55:08Z
audio: Letters Goodbye - MV Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.273
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.383
  additional property: Energy
    type: PropertyValue
    value: 0.962
  additional property: Speechiness
    type: PropertyValue
    value: 0.088
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.377
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.262
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.196
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor