Mattilha
type: MusicGroup
genre: brazilian rock
popularity: 22
followers: 7609
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additional property: CopyrightChainExplorerURL
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c75a065b0c5f0f3e864ed66d0ba7a74805bb6ac9f8a3e9e0df9cc91e763f4c3. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2e870486-2c91-44c7-b5ff-534e60f1617e.json and https://artists.proofprofile.net/proofs/artist/2e870486-2c91-44c7-b5ff-534e60f1617e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Ninguém É Santo
  type: MusicAlbum
  date published: 2014-03-13
  track: Feita pra Mim
    type: MusicRecording
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    by artist: Mattilha
    in album: Ninguém É Santo
      type: MusicAlbum
      date published: 2014-03-13
    genre: brazilian rock
    isrc code: BXGUB1400005
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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 0xe57976c6a440a8d01e769f84869bab63e8be531f5110af22d01afc8988a15a34. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/BXGUB1400005.
      date published: 2026-07-04T14:03:39Z
    audio: Feita pra Mim
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.143
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.535
      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
        type: PropertyValue
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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  track: Noites no Bar
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    by artist: Mattilha
    in album: Ninguém É Santo
      type: MusicAlbum
      date published: 2014-03-13
    genre: brazilian rock
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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 0x0cc5dd0135729778570c467bf44d603fb4e939a20aba44d8c25befa05ec182be. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/BXGUB1400009.
      date published: 2026-07-17T19:12:23Z
    audio: Noites no Bar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.955
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
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        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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        value: 0
      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
        value: 0.077
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.081
      additional property: Loudness (dB)
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      additional property: Key Name
      additional property: Mode Name
album: Sem Hora Marcada (Acústica)
album: Feita pra Mim
album: Me Lambe - Tributo ao Raimundos
album: Depois das 3 (Rua Augusta)
album: A Carne É Fraca
album: Qual É o Seu Veneno? (Remix)
album: Cachorro Louco
album: Bico Sujo
album: Sem Tempo Ruim
album: Crônicas do Underground
album: O Ritmo e o Corre
album: Depois das 3 (Rua Augusta) [Acústico]
album: Inabalável
album: Coração Anárquico
album: Tempestade

Key Name
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value: A

Mode Name
type: PropertyValue
value: Minor

Ninguém É Santo
type: MusicAlbum
date published: 2014-03-13

Sem Hora Marcada (Acústica)
type: MusicAlbum
date published: 2015-04-28

Feita pra Mim
type: MusicAlbum
date published: 2015-08-28

Me Lambe - Tributo ao Raimundos
type: MusicAlbum
date published: 2015-10-23

Depois das 3 (Rua Augusta)
type: MusicAlbum
date published: 2016-09-28

A Carne É Fraca
type: MusicAlbum
date published: 2016-12-15

Qual É o Seu Veneno? (Remix)
type: MusicAlbum
date published: 2017-11-01

Cachorro Louco
type: MusicAlbum
date published: 2017-12-08

Bico Sujo
type: MusicAlbum
date published: 2018-06-15

Sem Tempo Ruim
type: MusicAlbum
date published: 2018-08-03

Crônicas do Underground
type: MusicAlbum
date published: 2018-08-10
track: Depois das 3 (Rua Augusta)
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233771
  explicit: false
  by artist: Mattilha
  in album: Crônicas do Underground
    type: MusicAlbum
    date published: 2018-08-10
  genre: brazilian rock
  isrc code: QZ5AB2014768
  additional property: CopyrightID
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    type: PropertyValue
    value: registered
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  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 0xde661d5eabb656cac7da949b3020c8a49ce213003ff6bf7c67172132381a237a. 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/QZ5AB2014768.
    date published: 2026-07-05T10:01:46Z
  audio: Depois das 3 (Rua Augusta)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.492
    additional property: Energy
      type: PropertyValue
      value: 0.927
    additional property: Speechiness
      type: PropertyValue
      value: 0.151
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.266
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.401
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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O Ritmo e o Corre
type: MusicAlbum
date published: 2019-12-20

Depois das 3 (Rua Augusta) [Acústico]
type: MusicAlbum
date published: 2020-01-31

Inabalável
type: MusicAlbum
date published: 2022-10-27
track: Inabalável
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263636
  explicit: false
  by artist: Mattilha
  in album: Inabalável
    type: MusicAlbum
    date published: 2022-10-27
  genre: brazilian rock
  isrc code: BCMNK2200003
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  additional property: CopyrightStatus
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    value: registered
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    value: 2026-07-03T03:36:10+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BCMNK2200003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 0xd321ec923a37851dfd596278a3ed26944e1ea5bf14ef3f8ba18dcf01abc700bf. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/BCMNK2200003.
    date published: 2026-07-03T08:56:35Z
  audio: Inabalável
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.962
    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: 0.494
    additional property: Energy
      type: PropertyValue
      value: 0.94
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.843
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.558
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.561
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
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Coração Anárquico
type: MusicAlbum
date published: 2023-09-21

Tempestade
type: MusicAlbum
date published: 2025-01-23