BRETT
type: MusicGroup
genre: indie punk
description: Brett is an Irish and English surname of Old French origin that denotes to a Breton person. The name arrived in both countries via the Normans. Irish Bretts are most commonly found in the counties of
popularity: 8
followers: 3835
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe45b1287bbd6c76cce6bf897b6b24337bec276c72b4883806a251a43727726cb
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/e2af3d46-9903-44ed-9f3f-4dd83ec61800.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/e2af3d46-9903-44ed-9f3f-4dd83ec61800.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe45b1287bbd6c76cce6bf897b6b24337bec276c72b4883806a251a43727726cb. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2af3d46-9903-44ed-9f3f-4dd83ec61800.json and https://artists.proofprofile.net/proofs/artist/e2af3d46-9903-44ed-9f3f-4dd83ec61800.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T10:35:31Z
album: BRETT - EP
  type: MusicAlbum
  date published: 2016-07-22
album: BRETT
  type: MusicAlbum
  date published: 2016-07-22
album: Schwester
  type: MusicAlbum
  date published: 2017-03-10
album: BRETT - EP#2
  type: MusicAlbum
  date published: 2017-04-07
  track: Schwester
    type: MusicRecording
    duration: PT3M2S
    duration ms: 182030
    explicit: false
    by artist: BRETT
    in album: BRETT - EP#2
      type: MusicAlbum
      date published: 2017-04-07
    genre: indie punk
    isrc code: DEW921401038
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T23:41:40Z
    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 0xe2f37d1bcb8662bba469376d982d1499145f410c75a2a1a28174cf1ffac0266d. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/DEW921401038.
      date published: 2026-07-21T23:41:40Z
    audio: Schwester
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.434
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.423
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.183
      additional property: Acousticness
        type: PropertyValue
        value: 0.062
      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
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        value: 0.526
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.191
      additional property: Key Name
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        value: C
      additional property: Mode Name
        type: PropertyValue
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album: BRETT - EP#2
  type: MusicAlbum
  date published: 2017-04-07
album: Pillen und Propheten
  type: MusicAlbum
  date published: 2017-07-28
album: Pillen und Propheten
  type: MusicAlbum
  date published: 2017-07-28
album: Ein schöner Tag (schade, dass Krieg ist)
  type: MusicAlbum
  date published: 2018-01-12
album: Dein Autotune
  type: MusicAlbum
  date published: 2018-02-05
album: Wüste
  type: MusicAlbum
  date published: 2018-02-09
album: Das mit dem Hund tut mir leid (2018)
  type: MusicAlbum
  date published: 2018-02-12
album: WutKitsch
  type: MusicAlbum
  date published: 2018-02-23
  track: Das mit dem Hund tut mir Leid - 2018
    type: MusicRecording
    duration: PT4M20S
    duration ms: 260135
    explicit: false
    by artist: BRETT
    in album: WutKitsch
      type: MusicAlbum
      date published: 2018-02-23
    genre: indie punk
    isrc code: DEW921701193
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    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEW921701193
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:34:46Z
    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 0x5cb6f1e3632e5b852deb3e48368b2a35d449944a05e38c73d835ad08ab483fbf. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/DEW921701193.
      date published: 2026-07-17T04:34:46Z
    audio: Das mit dem Hund tut mir Leid - 2018
      type: AudioObject
      additional property: Tempo (BPM)
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      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
album: F4F
album: 23:30
album: Sophie
album: EP#3

Tempo (BPM)
type: PropertyValue
value: 107.198

Musical Key
type: PropertyValue
value: 2

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 3

Danceability
type: PropertyValue
value: 0.452

Energy
type: PropertyValue
value: 0.905

Speechiness
type: PropertyValue
value: 0.047

Acousticness
type: PropertyValue
value: 0.004

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.143

Valence (Positivity)
type: PropertyValue
value: 0.623

Loudness (dB)
type: PropertyValue
value: -4.374

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

WutKitsch
type: MusicAlbum
date published: 2018-02-23

F4F
type: MusicAlbum
date published: 2019-11-29

23:30
type: MusicAlbum
date published: 2019-12-06

Sophie
type: MusicAlbum
date published: 2019-12-13

EP#3
type: MusicAlbum
date published: 2019-12-27