Brett Matthews
type: MusicGroup
description: Brett Matthews is an American writer of comics and television shows. Matthews graduated from Wesleyan University in 1999. He was an assistant to Joss Whedon on television shows such as Buffy the Vamp
popularity: 21
followers: 2573
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea95c5940c46ae47697880a4d01ac027d9a48ae61934351096a63c5862969bb. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/25095f39-a5f3-45c0-b235-a3ef0bcc3119.json and https://artists.proofprofile.net/proofs/artist/25095f39-a5f3-45c0-b235-a3ef0bcc3119.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: All That I Ask
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  date published: 2022-02-27
album: Sugar
  type: MusicAlbum
  date published: 2022-12-21
album: I'll Be Gone
  type: MusicAlbum
  date published: 2023-03-03
album: If I Die Today
  type: MusicAlbum
  date published: 2023-10-13
album: If I Die Today
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  date published: 2023-12-08
album: Tomorrow
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  date published: 2024-03-22
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      date published: 2024-03-22
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    additional property: OTSTimestamp
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c05e5099a57ed46f6be763fb4a154e15ff4be41d8380288145602b8853a3441. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/CBDPR2400001.
      date published: 2026-07-02T16:51:38Z
    audio: Tomorrow
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album: Lucky Ones
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  date published: 2024-08-23
album: Lucky Ones (Acoustic)
  type: MusicAlbum
  date published: 2024-10-25
album: Tomorrow
  type: MusicAlbum
  date published: 2025-09-12
track: Accept It - Acoustic
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  by artist: Brett Matthews
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    date published: 2022-06-29
  genre: canadian-hip-hop
  genre: canadian-old-school-hip-hop
  genre: atlantic-canada-hip-hop
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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
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    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x253d3353d886e97701e4d91c2e0f06707d19bafab01de65e640811a7522f0dac. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/CACN42200007.
    date published: 2026-07-02T05:09:12Z
  audio: Accept It - Acoustic
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: All About You - Acoustic

Mode (Major/Minor)
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Time Signature
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Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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value: Major

All About You - Acoustic
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duration: PT4M3S
duration ms: 243909
explicit: false
by artist: Classified
by artist: Breagh Isabel
by artist: Brett Matthews
in album: Retrospected (Acoustic)
  type: MusicAlbum
  date published: 2022-06-29
genre: canadian-hip-hop
genre: canadian-old-school-hip-hop
genre: atlantic-canada-hip-hop
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b4b4bbb583b50231dd3eb30af103bcfc12cc54da3f60099967ca4e60db5b4e. 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/CACN42100047.
  date published: 2026-07-02T03:55:08Z
audio: All About You - Acoustic
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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Accept It - Acoustic
type: MusicRecording
duration: PT3M42S
duration ms: 222427
explicit: false
by artist: Classified
by artist: Brett Matthews
in album: Accept It (Acoustic)
  type: MusicAlbum
  date published: 2022-03-30
genre: canadian-hip-hop
genre: canadian-old-school-hip-hop
genre: atlantic-canada-hip-hop
isrc code: CACN42200007
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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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 0x253d3353d886e97701e4d91c2e0f06707d19bafab01de65e640811a7522f0dac. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CACN42200007.
  date published: 2026-07-02T11:34:59Z
audio: Accept It - Acoustic
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  additional property: Danceability
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  additional property: Liveness
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All About You - Acoustic
type: MusicRecording
duration: PT4M3S
duration ms: 243909
explicit: false
by artist: Classified
by artist: Breagh Isabel
by artist: Brett Matthews
in album: All About You (Acoustic)
  type: MusicAlbum
  date published: 2022-02-04
genre: canadian-hip-hop
genre: canadian-old-school-hip-hop
genre: atlantic-canada-hip-hop
isrc code: CACN42100047
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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 0x01b4b4bbb583b50231dd3eb30af103bcfc12cc54da3f60099967ca4e60db5b4e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CACN42100047.
  date published: 2026-06-13T13:32:09Z
audio: All About You - Acoustic
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Speechiness
    type: PropertyValue
    value: 0.188
  additional property: Acousticness
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  additional property: Liveness
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