7Birrass
type: MusicGroup
popularity: 9
followers: 37
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1326e010c93f7ae82208608961f58f6d8ba3d6358c5864200f21df6930b9976c
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/9f50f077-ed6b-4cb6-8669-e0d412d48099.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f50f077-ed6b-4cb6-8669-e0d412d48099.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9f50f077-ed6b-4cb6-8669-e0d412d48099
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1326e010c93f7ae82208608961f58f6d8ba3d6358c5864200f21df6930b9976c. 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/9f50f077-ed6b-4cb6-8669-e0d412d48099.json and https://artists.proofprofile.net/proofs/artist/9f50f077-ed6b-4cb6-8669-e0d412d48099.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
album: MASQUEPERROSS
  type: MusicAlbum
  date published: 2025-01-18
  track: MASQUEPERROSS
    type: MusicRecording
    duration: PT2M42S
    duration ms: 162999
    explicit: true
    by artist: 7Birrass
    in album: MASQUEPERROSS
      type: MusicAlbum
      date published: 2025-01-18
    isrc code: QZFZ72509180
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T16:20:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x75864e3a54ff97e7905b4188bf280ae01cf1cebf746df720d75727467f459a1c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958601
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958601
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72509180
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:27:02Z
    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 0x75864e3a54ff97e7905b4188bf280ae01cf1cebf746df720d75727467f459a1c. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZFZ72509180.
      date published: 2026-07-18T19:27:02Z
    audio: MASQUEPERROSS
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.988
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.833
      additional property: Energy
        type: PropertyValue
        value: 0.701
      additional property: Speechiness
        type: PropertyValue
        value: 0.197
      additional property: Acousticness
        type: PropertyValue
        value: 0.131
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.09
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.686
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.719
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: BRUTUS
  type: MusicAlbum
  date published: 2025-02-28
  track: BRUTUS
    type: MusicRecording
    duration: PT3M32S
    duration ms: 212865
    explicit: true
    by artist: 7Birrass
    in album: BRUTUS
      type: MusicAlbum
      date published: 2025-02-28
    isrc code: QZHN72570402
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T20:29:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7c5f6948de47c5ed308df28b007397a7be56b7f79d76754455fc5aac908605ef
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956578
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956578
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72570402
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T02:23:20Z
    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 0x7c5f6948de47c5ed308df28b007397a7be56b7f79d76754455fc5aac908605ef. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/QZHN72570402.
      date published: 2026-07-04T02:23:20Z
    audio: BRUTUS
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.058
      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: 0.652
      additional property: Energy
        type: PropertyValue
        value: 0.58
      additional property: Speechiness
        type: PropertyValue
        value: 0.357
      additional property: Acousticness
        type: PropertyValue
        value: 0.082
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.344
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.491
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.557
      additional property: Key Name
      additional property: Mode Name
album: WinSTON
album: DOGMAS (vol1)
album: ENVENENÁ
album: ZARZUELA
album: MECAGOENTUS
album: Classic

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

WinSTON
type: MusicAlbum
date published: 2025-03-13
track: WinSTON
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145258
  explicit: true
  by artist: 7Birrass
  in album: WinSTON
    type: MusicAlbum
    date published: 2025-03-13
  isrc code: QZHNC2567353
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T08:25:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10b990f079bf88017ab400afd0a9eb86b041c613bbed53f7bf47cd73ee0b09b8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958985
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958985
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2567353
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T11:27:43Z
  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 0x10b990f079bf88017ab400afd0a9eb86b041c613bbed53f7bf47cd73ee0b09b8. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T11:27:43Z), 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/QZHNC2567353.
    date published: 2026-07-21T11:27:43Z
  audio: WinSTON
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.031
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.588
    additional property: Energy
      type: PropertyValue
      value: 0.753
    additional property: Speechiness
      type: PropertyValue
      value: 0.227
    additional property: Acousticness
      type: PropertyValue
      value: 0.473
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.164
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.562
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

DOGMAS (vol1)
type: MusicAlbum
date published: 2025-04-07

ENVENENÁ
type: MusicAlbum
date published: 2025-07-08

ZARZUELA
type: MusicAlbum
date published: 2025-08-26

MECAGOENTUS
type: MusicAlbum
date published: 2025-09-09

Classic
type: MusicAlbum
date published: 2025-09-29
track: Classic
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161056
  explicit: true
  by artist: 7Birrass
  in album: Classic
    type: MusicAlbum
    date published: 2025-09-29
  isrc code: QT3F52505954
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T08:24:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc449632263203c5237c93236d4fd66842588bd90f56cbe6bcabf8e018e57f886
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3F52505954
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc449632263203c5237c93236d4fd66842588bd90f56cbe6bcabf8e018e57f886. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QT3F52505954.
    date published: 2026-07-05T10:01:46Z
  audio: Classic
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.999
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.888
    additional property: Energy
      type: PropertyValue
      value: 0.501
    additional property: Speechiness
      type: PropertyValue
      value: 0.2
    additional property: Acousticness
      type: PropertyValue
      value: 0.774
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.554
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.215
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor