Quarteto Geral
type: MusicGroup
popularity: 8
followers: 535
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x553f33029529f56f9a07902814ca6fbfcafabd6d2112498ea78a7845413a6d11
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ddbf0cb-7cc9-4472-b881-1708dd54f02d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ddbf0cb-7cc9-4472-b881-1708dd54f02d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5ddbf0cb-7cc9-4472-b881-1708dd54f02d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x553f33029529f56f9a07902814ca6fbfcafabd6d2112498ea78a7845413a6d11","name":"Quarteto Geral","registered_at":"2026-06-16T22:14:38Z","symbol":"NIM1191925","token_address":"0xed3f1850680088ab474954c401aced830d3fef9a","type":"artist","uuid":"5ddbf0cb-7cc9-4472-b881-1708dd54f02d"}
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 0x553f33029529f56f9a07902814ca6fbfcafabd6d2112498ea78a7845413a6d11. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5ddbf0cb-7cc9-4472-b881-1708dd54f02d.json and https://artists.proofprofile.net/proofs/artist/5ddbf0cb-7cc9-4472-b881-1708dd54f02d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x553f33029529f56f9a07902814ca6fbfcafabd6d2112498ea78a7845413a6d11","name":"Quarteto Geral","registered_at":"2026-06-16T22:14:38Z","symbol":"NIM1191925","token_address":"0xed3f1850680088ab474954c401aced830d3fef9a","type":"artist","uuid":"5ddbf0cb-7cc9-4472-b881-1708dd54f02d"}
album: Quarteto Geral
  type: MusicAlbum
  date published: 2023-01-12
  track: Alumiou o Céu do Sertão
  track: Rodopiado
  track: Mulher Rendeira
album: De Viola e Rabeca
  type: MusicAlbum
  date published: 2024-04-19
album: Quadrilha
  type: MusicAlbum
  date published: 2022-12-09
album: Milharal (Ao Vivo)
  type: MusicAlbum
  date published: 2020-11-20
album: Capitães da Areia
  type: MusicAlbum
  date published: 2019-11-29
  track: Capitães da Areia
album: Suite Roseana
  type: MusicAlbum
  date published: 2019-08-15

Alumiou o Céu do Sertão
type: MusicRecording
duration: PT3M57S
duration ms: 237799
explicit: false
by artist: Quarteto Geral
by artist: Lucas Gralato
by artist: Lucas Videla
by artist: Tom Retz
by artist: Daniel Ganc
in album: Quarteto Geral
  type: MusicAlbum
  date published: 2023-01-12
isrc code: BC1S82200004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:10:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1396c5e33bedad74a3d249f96504382e8fb095451385eb1ff41e68e768cfe073
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BC1S82200004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1396c5e33bedad74a3d249f96504382e8fb095451385eb1ff41e68e768cfe073. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BC1S82200004.
  date published: 2026-07-08T03:22:41Z
audio: Alumiou o Céu do Sertão
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.553
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.535
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.743
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.604
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.318
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.462
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rodopiado
type: MusicRecording
duration: PT2M46S
duration ms: 166012
explicit: false
by artist: Quarteto Geral
by artist: Luisa Lacerda
by artist: Lucas Videla
by artist: Lucas Gralato
by artist: Tom Retz
by artist: Daniel Ganc
in album: Quarteto Geral
  type: MusicAlbum
  date published: 2023-01-12
isrc code: BC1S82200006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T22:12:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38e2690b23990edb07b7b6c6e816dd28a9f169fb636df62b711e2e63ab2cb506
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BC1S82200006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38e2690b23990edb07b7b6c6e816dd28a9f169fb636df62b711e2e63ab2cb506. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BC1S82200006.
  date published: 2026-06-13T15:41:10Z
audio: Rodopiado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.333
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.663
  additional property: Energy
    type: PropertyValue
    value: 0.712
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.6
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.93
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.91
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mulher Rendeira
type: MusicRecording
duration: PT3M40S
duration ms: 220562
explicit: false
by artist: Quarteto Geral
by artist: Lucas Gralato
by artist: Lucas Videla
by artist: Tom Retz
by artist: Daniel Ganc
in album: Quarteto Geral
  type: MusicAlbum
  date published: 2023-01-12
isrc code: BC1S82200008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:52:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa92613c50f2aabbff27da91fa3c73cd09352a7b584b77954242366a6d23f0b2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
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/BC1S82200008
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa92613c50f2aabbff27da91fa3c73cd09352a7b584b77954242366a6d23f0b2f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BC1S82200008.
  date published: 2026-07-08T03:22:41Z
audio: Mulher Rendeira
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.489
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.217
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.213
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.127
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.661
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Capitães da Areia
type: MusicRecording
duration: PT3M22S
duration ms: 202094
explicit: false
by artist: Luisa Lacerda
by artist: Quarteto Geral
in album: Capitães da Areia
  type: MusicAlbum
  date published: 2019-11-29
genre: nova-mpb
isrc code: QZHZ51923672
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:29:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2bba29b0c85e809e6996afba02cc7d0761ff73055725817f5d83f86f957722b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
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/QZHZ51923672
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bba29b0c85e809e6996afba02cc7d0761ff73055725817f5d83f86f957722b1. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZHZ51923672.
  date published: 2026-07-08T08:56:20Z
audio: Capitães da Areia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.003
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.664
  additional property: Energy
    type: PropertyValue
    value: 0.336
  additional property: Speechiness
    type: PropertyValue
    value: 0.078
  additional property: Acousticness
    type: PropertyValue
    value: 0.705
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.527
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.875
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor