Grupo Quintessencia
type: MusicGroup
genre: pagode
genre: samba
popularity: 20
followers: 2769
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b02516df3348e49c0b87e3ef058fdc7e6a56f1495a3c76c86304e7412a1fdcf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953605
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953605
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/126f5437-fedc-47b6-aa28-ea762809897a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/126f5437-fedc-47b6-aa28-ea762809897a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/126f5437-fedc-47b6-aa28-ea762809897a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T07:39:50Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6b02516df3348e49c0b87e3ef058fdc7e6a56f1495a3c76c86304e7412a1fdcf","name":"Grupo Quintessencia","registered_at":"2026-06-14T06:25:05Z","symbol":"NIM0366372","token_address":"0xe796c2ad216c7baeac06ef3b43d57d7707af54c5","type":"artist","uuid":"126f5437-fedc-47b6-aa28-ea762809897a"}
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 0x6b02516df3348e49c0b87e3ef058fdc7e6a56f1495a3c76c86304e7412a1fdcf. Chain 2 (Bitcoin): anchored in block 953605 (2026-06-14T07:39:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/126f5437-fedc-47b6-aa28-ea762809897a.json and https://artists.proofprofile.net/proofs/artist/126f5437-fedc-47b6-aa28-ea762809897a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T07:39:50Z
  text: {"copyright_id":"0x6b02516df3348e49c0b87e3ef058fdc7e6a56f1495a3c76c86304e7412a1fdcf","name":"Grupo Quintessencia","registered_at":"2026-06-14T06:25:05Z","symbol":"NIM0366372","token_address":"0xe796c2ad216c7baeac06ef3b43d57d7707af54c5","type":"artist","uuid":"126f5437-fedc-47b6-aa28-ea762809897a"}
album: Calúnias
  type: MusicAlbum
  date published: 2018-12-21
album: Sou Favela (Ao Vivo)
  type: MusicAlbum
  date published: 2019-02-27
album: A Caixa (Ao Vivo)
  type: MusicAlbum
  date published: 2019-04-12
album: Mau Tempo (Ao Vivo)
  type: MusicAlbum
  date published: 2019-04-26
  track: Mau Tempo - Ao Vivo
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196605
    explicit: false
    by artist: Grupo Quintessencia
    in album: Mau Tempo (Ao Vivo)
      type: MusicAlbum
      date published: 2019-04-26
    genre: pagode
    genre: samba
    isrc code: QZGLS1926824
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T20:24:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8a1cd39c7f99708459082875a54bb6c1cb0607b0c4d13e3783db85e29c8b8cef
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS1926824
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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 0x8a1cd39c7f99708459082875a54bb6c1cb0607b0c4d13e3783db85e29c8b8cef. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZGLS1926824.
      date published: 2026-07-06T01:25:57Z
    audio: Mau Tempo - Ao Vivo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 152.033
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.614
      additional property: Energy
        type: PropertyValue
        value: 0.779
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.756
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.972
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.961
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.085
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Então Tchau (Ao Vivo)
  type: MusicAlbum
  date published: 2019-05-10
album: Um a Um (Ao Vivo)
  type: MusicAlbum
  date published: 2019-05-24
album: Livro das Paixões (Ao Vivo)
  type: MusicAlbum
  date published: 2019-06-07
album: A Casa Caiu (Ao Vivo)
  type: MusicAlbum
  date published: 2019-06-21
album: Que Nada
  type: MusicAlbum
  date published: 2019-11-22
  track: Que Nada
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183788
    explicit: false
    by artist: Grupo Quintessencia
    in album: Que Nada
      type: MusicAlbum
      date published: 2019-11-22
    genre: pagode
    genre: samba
    isrc code: BXLWP1900099
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T20:13:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2b8b238ffc38eb7412e863c57922e628034004e4392a9ac58cbe2843e5e780e0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXLWP1900099
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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 0x2b8b238ffc38eb7412e863c57922e628034004e4392a9ac58cbe2843e5e780e0. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/BXLWP1900099.
      date published: 2026-07-06T01:25:57Z
    audio: Que Nada
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 159.947
      additional property: Musical Key
        type: PropertyValue
        value: 1
      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: Coração Fajuto
album: Sextada

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.719

Energy
type: PropertyValue
value: 0.662

Speechiness
type: PropertyValue
value: 0.048

Acousticness
type: PropertyValue
value: 0.673

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.104

Valence (Positivity)
type: PropertyValue
value: 0.961

Loudness (dB)
type: PropertyValue
value: -6.727

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Coração Fajuto
type: MusicAlbum
date published: 2020-08-21

Sextada
type: MusicAlbum
date published: 2020-10-15