Laurinha e Helena
type: MusicGroup
genre: lullaby
popularity: 33
followers: 22379
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e210836a424bafde10e22d1070b2e6b71b533559eb55fe889faf72df84e45f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/606b3c7d-82b5-429a-bf46-7e64d18e23ef.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/606b3c7d-82b5-429a-bf46-7e64d18e23ef.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/606b3c7d-82b5-429a-bf46-7e64d18e23ef
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5e210836a424bafde10e22d1070b2e6b71b533559eb55fe889faf72df84e45f1","name":"Laurinha e Helena","registered_at":"2026-06-11T22:44:37Z","symbol":"NIM0125923","token_address":"0x7b289fdb2580d2abb72eaafc68bdeb124920802c","type":"artist","uuid":"606b3c7d-82b5-429a-bf46-7e64d18e23ef"}
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 → block must exist at that height 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 0x5e210836a424bafde10e22d1070b2e6b71b533559eb55fe889faf72df84e45f1. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/606b3c7d-82b5-429a-bf46-7e64d18e23ef.json and https://artists.proofprofile.net/proofs/artist/606b3c7d-82b5-429a-bf46-7e64d18e23ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x5e210836a424bafde10e22d1070b2e6b71b533559eb55fe889faf72df84e45f1","name":"Laurinha e Helena","registered_at":"2026-06-11T22:44:37Z","symbol":"NIM0125923","token_address":"0x7b289fdb2580d2abb72eaafc68bdeb124920802c","type":"artist","uuid":"606b3c7d-82b5-429a-bf46-7e64d18e23ef"}
album: Verão
  type: MusicAlbum
  date published: 2025-02-15
  track: Verão
    type: MusicRecording
    duration: PT2M13S
    duration ms: 133381
    explicit: false
    by artist: Laurinha e Helena
    in album: Verão
      type: MusicAlbum
      date published: 2025-02-15
    isrc code: QZGLM2555589
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T11:26:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7b35a22253061c9dbba08fc0ab2e462816249154b9c4f1128250161ada5a6e7b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953528
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953528
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/73LDzNLWW1A2N3QBtD6zxr.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73LDzNLWW1A2N3QBtD6zxr
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x7b35a22253061c9dbba08fc0ab2e462816249154b9c4f1128250161ada5a6e7b","isrc":"QZGLM2555589","name":"Verão","registered_at":"2026-06-07T11:26:56Z","spotify_id":"73LDzNLWW1A2N3QBtD6zxr","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7b35a22253061c9dbba08fc0ab2e462816249154b9c4f1128250161ada5a6e7b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/73LDzNLWW1A2N3QBtD6zxr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73LDzNLWW1A2N3QBtD6zxr.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x7b35a22253061c9dbba08fc0ab2e462816249154b9c4f1128250161ada5a6e7b","isrc":"QZGLM2555589","name":"Verão","registered_at":"2026-06-07T11:26:56Z","spotify_id":"73LDzNLWW1A2N3QBtD6zxr","type":"track"}
album: Bolinha de Sabão
  type: MusicAlbum
  date published: 2024-06-08
  track: Bolinha de Sabão
    type: MusicRecording
    duration: PT2M12S
    duration ms: 132806
    explicit: false
    by artist: Laurinha e Helena
    in album: Bolinha de Sabão
      type: MusicAlbum
      date published: 2024-06-08
    isrc code: QZNJX2402475
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T05:30:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7df447c17aaeb511ed9baff66a7b7e0bee45c72d1452ecfdd7957204c63453e5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953528
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953528
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1yHEMxqwlQFtbqDsvUGWKy.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yHEMxqwlQFtbqDsvUGWKy
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x7df447c17aaeb511ed9baff66a7b7e0bee45c72d1452ecfdd7957204c63453e5","isrc":"QZNJX2402475","name":"Bolinha de Sabão","registered_at":"2026-06-07T05:30:32Z","spotify_id":"1yHEMxqwlQFtbqDsvUGWKy","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7df447c17aaeb511ed9baff66a7b7e0bee45c72d1452ecfdd7957204c63453e5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1yHEMxqwlQFtbqDsvUGWKy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yHEMxqwlQFtbqDsvUGWKy.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x7df447c17aaeb511ed9baff66a7b7e0bee45c72d1452ecfdd7957204c63453e5","isrc":"QZNJX2402475","name":"Bolinha de Sabão","registered_at":"2026-06-07T05:30:32Z","spotify_id":"1yHEMxqwlQFtbqDsvUGWKy","type":"track"}
album: Então É Natal
  type: MusicAlbum
  date published: 2023-12-16
  track: Então É Natal
    type: MusicRecording
    duration: PT2M57S
    duration ms: 177256
    explicit: false
    by artist: Laurinha e Helena
    in album: Então É Natal
      type: MusicAlbum
      date published: 2023-12-16
    isrc code: QZW9M2353575
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T17:42:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcaf15431516cf58c794f636527dd86c61f89702ebda51b04c74fadce5cc23978
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953515
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953515
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/79BK7QmtznADB7tEyfbUwR.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79BK7QmtznADB7tEyfbUwR
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:53:06Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xcaf15431516cf58c794f636527dd86c61f89702ebda51b04c74fadce5cc23978","isrc":"QZW9M2353575","name":"Então É Natal","registered_at":"2026-06-07T17:42:42Z","spotify_id":"79BK7QmtznADB7tEyfbUwR","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcaf15431516cf58c794f636527dd86c61f89702ebda51b04c74fadce5cc23978. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/79BK7QmtznADB7tEyfbUwR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79BK7QmtznADB7tEyfbUwR.
      date published: 2026-06-13T12:53:06Z
      text: {"copyright_id":"0xcaf15431516cf58c794f636527dd86c61f89702ebda51b04c74fadce5cc23978","isrc":"QZW9M2353575","name":"Então É Natal","registered_at":"2026-06-07T17:42:42Z","spotify_id":"79BK7QmtznADB7tEyfbUwR","type":"track"}
album: Pool Party
  type: MusicAlbum
  date published: 2023-11-25
  track: Pool Party
    type: MusicRecording
    duration: PT2M40S
    duration ms: 160000
    explicit: false
    by artist: Laurinha e Helena
    in album: Pool Party
      type: MusicAlbum
      date published: 2023-11-25
    isrc code: QZW9L2394638
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
album: Happy Halloween
album: Bom É Ser Criança
album: Barbie Blogueirinha
album: Treme Ombrinho
album: Miga Miga
track: Verão
track: Bolinha de Sabão
track: Então É Natal
track: Pool Party
track: Happy Halloween
track: Bom É Ser Criança
track: Barbie Blogueirinha
track: Treme Ombrinho
track: Miga Miga

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-05T19:58:32+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x6ca4d56f605323e4380b7b8ec1c72ac63ded19e92aa10921a7e0b964dc1f1a94

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3AbVubCLBb5GmiDDEQfsz5.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AbVubCLBb5GmiDDEQfsz5

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x6ca4d56f605323e4380b7b8ec1c72ac63ded19e92aa10921a7e0b964dc1f1a94","isrc":"QZW9L2394638","name":"Pool Party","registered_at":"2026-06-05T19:58:32Z","spotify_id":"3AbVubCLBb5GmiDDEQfsz5","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ca4d56f605323e4380b7b8ec1c72ac63ded19e92aa10921a7e0b964dc1f1a94. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AbVubCLBb5GmiDDEQfsz5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AbVubCLBb5GmiDDEQfsz5.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0x6ca4d56f605323e4380b7b8ec1c72ac63ded19e92aa10921a7e0b964dc1f1a94","isrc":"QZW9L2394638","name":"Pool Party","registered_at":"2026-06-05T19:58:32Z","spotify_id":"3AbVubCLBb5GmiDDEQfsz5","type":"track"}

Happy Halloween
type: MusicAlbum
date published: 2023-10-27
track: Happy Halloween
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140800
  explicit: false
  by artist: Laurinha e Helena
  in album: Happy Halloween
    type: MusicAlbum
    date published: 2023-10-27
  isrc code: QZW9K2342907
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T05:28:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8b2795f64726a314d65f77a85beb1b902bd8b0b9abd743d229b3246e2d0616fb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4e7TUMT3gmyKDulBy69DtT.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4e7TUMT3gmyKDulBy69DtT
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8b2795f64726a314d65f77a85beb1b902bd8b0b9abd743d229b3246e2d0616fb","isrc":"QZW9K2342907","name":"Happy Halloween","registered_at":"2026-06-07T05:28:12Z","spotify_id":"4e7TUMT3gmyKDulBy69DtT","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8b2795f64726a314d65f77a85beb1b902bd8b0b9abd743d229b3246e2d0616fb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4e7TUMT3gmyKDulBy69DtT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4e7TUMT3gmyKDulBy69DtT.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x8b2795f64726a314d65f77a85beb1b902bd8b0b9abd743d229b3246e2d0616fb","isrc":"QZW9K2342907","name":"Happy Halloween","registered_at":"2026-06-07T05:28:12Z","spotify_id":"4e7TUMT3gmyKDulBy69DtT","type":"track"}

Bom É Ser Criança
type: MusicAlbum
date published: 2023-10-07
track: Bom É Ser Criança
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130263
  explicit: false
  by artist: Laurinha e Helena
  in album: Bom É Ser Criança
    type: MusicAlbum
    date published: 2023-10-07
  isrc code: QZTVM2364396
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T03:52:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3836c5dbd5ff2a65c6a3c1e0e34d1fa312a39e6fc53eb5d2f6f3e3eda53e6269
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3GpUaVyFaE3CLOPODBWuy7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GpUaVyFaE3CLOPODBWuy7
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3836c5dbd5ff2a65c6a3c1e0e34d1fa312a39e6fc53eb5d2f6f3e3eda53e6269","isrc":"QZTVM2364396","name":"Bom É Ser Criança","registered_at":"2026-06-11T03:52:23Z","spotify_id":"3GpUaVyFaE3CLOPODBWuy7","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3836c5dbd5ff2a65c6a3c1e0e34d1fa312a39e6fc53eb5d2f6f3e3eda53e6269. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GpUaVyFaE3CLOPODBWuy7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GpUaVyFaE3CLOPODBWuy7.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x3836c5dbd5ff2a65c6a3c1e0e34d1fa312a39e6fc53eb5d2f6f3e3eda53e6269","isrc":"QZTVM2364396","name":"Bom É Ser Criança","registered_at":"2026-06-11T03:52:23Z","spotify_id":"3GpUaVyFaE3CLOPODBWuy7","type":"track"}

Barbie Blogueirinha
type: MusicAlbum
date published: 2023-08-05
track: Barbie Blogueirinha
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143777
  explicit: false
  by artist: Laurinha e Helena
  in album: Barbie Blogueirinha
    type: MusicAlbum
    date published: 2023-08-05
  isrc code: QZNJY2388386
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T19:58:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x01a303a9e542791ba00a01b621cc8c1e3a534a3b1942c695be1603c105b6ed9d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6vlCHVNJVputtyWH9uFEwW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vlCHVNJVputtyWH9uFEwW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x01a303a9e542791ba00a01b621cc8c1e3a534a3b1942c695be1603c105b6ed9d","isrc":"QZNJY2388386","name":"Barbie Blogueirinha","registered_at":"2026-06-05T19:58:20Z","spotify_id":"6vlCHVNJVputtyWH9uFEwW","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x01a303a9e542791ba00a01b621cc8c1e3a534a3b1942c695be1603c105b6ed9d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vlCHVNJVputtyWH9uFEwW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vlCHVNJVputtyWH9uFEwW.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x01a303a9e542791ba00a01b621cc8c1e3a534a3b1942c695be1603c105b6ed9d","isrc":"QZNJY2388386","name":"Barbie Blogueirinha","registered_at":"2026-06-05T19:58:20Z","spotify_id":"6vlCHVNJVputtyWH9uFEwW","type":"track"}

Treme Ombrinho
type: MusicAlbum
date published: 2023-07-15
track: Treme Ombrinho
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135575
  explicit: false
  by artist: Laurinha e Helena
  in album: Treme Ombrinho
    type: MusicAlbum
    date published: 2023-07-15
  isrc code: QZNJY2300793
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T15:11:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfb32e0113301ddcb5eaee0bda840ffe31bc6b56bded251e99765ed7012d1d575
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2SUf4CzPNOinJBmfXcj5Vy.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SUf4CzPNOinJBmfXcj5Vy
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfb32e0113301ddcb5eaee0bda840ffe31bc6b56bded251e99765ed7012d1d575","isrc":"QZNJY2300793","name":"Treme Ombrinho","registered_at":"2026-06-05T15:11:14Z","spotify_id":"2SUf4CzPNOinJBmfXcj5Vy","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfb32e0113301ddcb5eaee0bda840ffe31bc6b56bded251e99765ed7012d1d575. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SUf4CzPNOinJBmfXcj5Vy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SUf4CzPNOinJBmfXcj5Vy.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xfb32e0113301ddcb5eaee0bda840ffe31bc6b56bded251e99765ed7012d1d575","isrc":"QZNJY2300793","name":"Treme Ombrinho","registered_at":"2026-06-05T15:11:14Z","spotify_id":"2SUf4CzPNOinJBmfXcj5Vy","type":"track"}

Miga Miga
type: MusicAlbum
date published: 2023-06-15
track: Miga Miga
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142245
  explicit: false
  by artist: Laurinha e Helena
  in album: Miga Miga
    type: MusicAlbum
    date published: 2023-06-15
  isrc code: QZWDW2383210
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T15:07:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe93f25c2b6f07470e7641b7ae4ca8a68cdb832120a873e06d4ad35820153ebbd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6TTvQOBi8mzPoQ5eKoToly.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6TTvQOBi8mzPoQ5eKoToly
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe93f25c2b6f07470e7641b7ae4ca8a68cdb832120a873e06d4ad35820153ebbd","isrc":"QZWDW2383210","name":"Miga Miga","registered_at":"2026-06-06T15:07:22Z","spotify_id":"6TTvQOBi8mzPoQ5eKoToly","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe93f25c2b6f07470e7641b7ae4ca8a68cdb832120a873e06d4ad35820153ebbd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6TTvQOBi8mzPoQ5eKoToly.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6TTvQOBi8mzPoQ5eKoToly.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xe93f25c2b6f07470e7641b7ae4ca8a68cdb832120a873e06d4ad35820153ebbd","isrc":"QZWDW2383210","name":"Miga Miga","registered_at":"2026-06-06T15:07:22Z","spotify_id":"6TTvQOBi8mzPoQ5eKoToly","type":"track"}

Verão
type: MusicRecording
duration: PT2M13S
duration ms: 133381
explicit: false
by artist: Laurinha e Helena
in album: Verão
  type: MusicAlbum
  date published: 2025-02-15
isrc code: QZGLM2555589
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T11:26:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b35a22253061c9dbba08fc0ab2e462816249154b9c4f1128250161ada5a6e7b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/73LDzNLWW1A2N3QBtD6zxr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73LDzNLWW1A2N3QBtD6zxr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7b35a22253061c9dbba08fc0ab2e462816249154b9c4f1128250161ada5a6e7b","isrc":"QZGLM2555589","name":"Verão","registered_at":"2026-06-07T11:26:56Z","spotify_id":"73LDzNLWW1A2N3QBtD6zxr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7b35a22253061c9dbba08fc0ab2e462816249154b9c4f1128250161ada5a6e7b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/73LDzNLWW1A2N3QBtD6zxr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/73LDzNLWW1A2N3QBtD6zxr.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x7b35a22253061c9dbba08fc0ab2e462816249154b9c4f1128250161ada5a6e7b","isrc":"QZGLM2555589","name":"Verão","registered_at":"2026-06-07T11:26:56Z","spotify_id":"73LDzNLWW1A2N3QBtD6zxr","type":"track"}

Bolinha de Sabão
type: MusicRecording
duration: PT2M12S
duration ms: 132806
explicit: false
by artist: Laurinha e Helena
in album: Bolinha de Sabão
  type: MusicAlbum
  date published: 2024-06-08
isrc code: QZNJX2402475
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T05:30:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7df447c17aaeb511ed9baff66a7b7e0bee45c72d1452ecfdd7957204c63453e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1yHEMxqwlQFtbqDsvUGWKy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yHEMxqwlQFtbqDsvUGWKy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7df447c17aaeb511ed9baff66a7b7e0bee45c72d1452ecfdd7957204c63453e5","isrc":"QZNJX2402475","name":"Bolinha de Sabão","registered_at":"2026-06-07T05:30:32Z","spotify_id":"1yHEMxqwlQFtbqDsvUGWKy","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7df447c17aaeb511ed9baff66a7b7e0bee45c72d1452ecfdd7957204c63453e5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1yHEMxqwlQFtbqDsvUGWKy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1yHEMxqwlQFtbqDsvUGWKy.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x7df447c17aaeb511ed9baff66a7b7e0bee45c72d1452ecfdd7957204c63453e5","isrc":"QZNJX2402475","name":"Bolinha de Sabão","registered_at":"2026-06-07T05:30:32Z","spotify_id":"1yHEMxqwlQFtbqDsvUGWKy","type":"track"}

Então É Natal
type: MusicRecording
duration: PT2M57S
duration ms: 177256
explicit: false
by artist: Laurinha e Helena
in album: Então É Natal
  type: MusicAlbum
  date published: 2023-12-16
isrc code: QZW9M2353575
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T17:42:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcaf15431516cf58c794f636527dd86c61f89702ebda51b04c74fadce5cc23978
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/79BK7QmtznADB7tEyfbUwR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79BK7QmtznADB7tEyfbUwR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcaf15431516cf58c794f636527dd86c61f89702ebda51b04c74fadce5cc23978","isrc":"QZW9M2353575","name":"Então É Natal","registered_at":"2026-06-07T17:42:42Z","spotify_id":"79BK7QmtznADB7tEyfbUwR","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcaf15431516cf58c794f636527dd86c61f89702ebda51b04c74fadce5cc23978. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/79BK7QmtznADB7tEyfbUwR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79BK7QmtznADB7tEyfbUwR.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xcaf15431516cf58c794f636527dd86c61f89702ebda51b04c74fadce5cc23978","isrc":"QZW9M2353575","name":"Então É Natal","registered_at":"2026-06-07T17:42:42Z","spotify_id":"79BK7QmtznADB7tEyfbUwR","type":"track"}

Pool Party
type: MusicRecording
duration: PT2M40S
duration ms: 160000
explicit: false
by artist: Laurinha e Helena
in album: Pool Party
  type: MusicAlbum
  date published: 2023-11-25
isrc code: QZW9L2394638
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T19:58:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ca4d56f605323e4380b7b8ec1c72ac63ded19e92aa10921a7e0b964dc1f1a94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3AbVubCLBb5GmiDDEQfsz5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AbVubCLBb5GmiDDEQfsz5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ca4d56f605323e4380b7b8ec1c72ac63ded19e92aa10921a7e0b964dc1f1a94","isrc":"QZW9L2394638","name":"Pool Party","registered_at":"2026-06-05T19:58:32Z","spotify_id":"3AbVubCLBb5GmiDDEQfsz5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6ca4d56f605323e4380b7b8ec1c72ac63ded19e92aa10921a7e0b964dc1f1a94. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AbVubCLBb5GmiDDEQfsz5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AbVubCLBb5GmiDDEQfsz5.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x6ca4d56f605323e4380b7b8ec1c72ac63ded19e92aa10921a7e0b964dc1f1a94","isrc":"QZW9L2394638","name":"Pool Party","registered_at":"2026-06-05T19:58:32Z","spotify_id":"3AbVubCLBb5GmiDDEQfsz5","type":"track"}

Happy Halloween
type: MusicRecording
duration: PT2M20S
duration ms: 140800
explicit: false
by artist: Laurinha e Helena
in album: Happy Halloween
  type: MusicAlbum
  date published: 2023-10-27
isrc code: QZW9K2342907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T05:28:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b2795f64726a314d65f77a85beb1b902bd8b0b9abd743d229b3246e2d0616fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4e7TUMT3gmyKDulBy69DtT.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4e7TUMT3gmyKDulBy69DtT
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8b2795f64726a314d65f77a85beb1b902bd8b0b9abd743d229b3246e2d0616fb","isrc":"QZW9K2342907","name":"Happy Halloween","registered_at":"2026-06-07T05:28:12Z","spotify_id":"4e7TUMT3gmyKDulBy69DtT","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8b2795f64726a314d65f77a85beb1b902bd8b0b9abd743d229b3246e2d0616fb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4e7TUMT3gmyKDulBy69DtT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4e7TUMT3gmyKDulBy69DtT.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8b2795f64726a314d65f77a85beb1b902bd8b0b9abd743d229b3246e2d0616fb","isrc":"QZW9K2342907","name":"Happy Halloween","registered_at":"2026-06-07T05:28:12Z","spotify_id":"4e7TUMT3gmyKDulBy69DtT","type":"track"}

Bom É Ser Criança
type: MusicRecording
duration: PT2M10S
duration ms: 130263
explicit: false
by artist: Laurinha e Helena
in album: Bom É Ser Criança
  type: MusicAlbum
  date published: 2023-10-07
isrc code: QZTVM2364396
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T03:52:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3836c5dbd5ff2a65c6a3c1e0e34d1fa312a39e6fc53eb5d2f6f3e3eda53e6269
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3GpUaVyFaE3CLOPODBWuy7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GpUaVyFaE3CLOPODBWuy7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3836c5dbd5ff2a65c6a3c1e0e34d1fa312a39e6fc53eb5d2f6f3e3eda53e6269","isrc":"QZTVM2364396","name":"Bom É Ser Criança","registered_at":"2026-06-11T03:52:23Z","spotify_id":"3GpUaVyFaE3CLOPODBWuy7","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3836c5dbd5ff2a65c6a3c1e0e34d1fa312a39e6fc53eb5d2f6f3e3eda53e6269. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GpUaVyFaE3CLOPODBWuy7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GpUaVyFaE3CLOPODBWuy7.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x3836c5dbd5ff2a65c6a3c1e0e34d1fa312a39e6fc53eb5d2f6f3e3eda53e6269","isrc":"QZTVM2364396","name":"Bom É Ser Criança","registered_at":"2026-06-11T03:52:23Z","spotify_id":"3GpUaVyFaE3CLOPODBWuy7","type":"track"}

Barbie Blogueirinha
type: MusicRecording
duration: PT2M23S
duration ms: 143777
explicit: false
by artist: Laurinha e Helena
in album: Barbie Blogueirinha
  type: MusicAlbum
  date published: 2023-08-05
isrc code: QZNJY2388386
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T19:58:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01a303a9e542791ba00a01b621cc8c1e3a534a3b1942c695be1603c105b6ed9d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6vlCHVNJVputtyWH9uFEwW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vlCHVNJVputtyWH9uFEwW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x01a303a9e542791ba00a01b621cc8c1e3a534a3b1942c695be1603c105b6ed9d","isrc":"QZNJY2388386","name":"Barbie Blogueirinha","registered_at":"2026-06-05T19:58:20Z","spotify_id":"6vlCHVNJVputtyWH9uFEwW","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x01a303a9e542791ba00a01b621cc8c1e3a534a3b1942c695be1603c105b6ed9d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vlCHVNJVputtyWH9uFEwW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vlCHVNJVputtyWH9uFEwW.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x01a303a9e542791ba00a01b621cc8c1e3a534a3b1942c695be1603c105b6ed9d","isrc":"QZNJY2388386","name":"Barbie Blogueirinha","registered_at":"2026-06-05T19:58:20Z","spotify_id":"6vlCHVNJVputtyWH9uFEwW","type":"track"}

Treme Ombrinho
type: MusicRecording
duration: PT2M15S
duration ms: 135575
explicit: false
by artist: Laurinha e Helena
in album: Treme Ombrinho
  type: MusicAlbum
  date published: 2023-07-15
isrc code: QZNJY2300793
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T15:11:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb32e0113301ddcb5eaee0bda840ffe31bc6b56bded251e99765ed7012d1d575
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2SUf4CzPNOinJBmfXcj5Vy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SUf4CzPNOinJBmfXcj5Vy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfb32e0113301ddcb5eaee0bda840ffe31bc6b56bded251e99765ed7012d1d575","isrc":"QZNJY2300793","name":"Treme Ombrinho","registered_at":"2026-06-05T15:11:14Z","spotify_id":"2SUf4CzPNOinJBmfXcj5Vy","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfb32e0113301ddcb5eaee0bda840ffe31bc6b56bded251e99765ed7012d1d575. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SUf4CzPNOinJBmfXcj5Vy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SUf4CzPNOinJBmfXcj5Vy.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xfb32e0113301ddcb5eaee0bda840ffe31bc6b56bded251e99765ed7012d1d575","isrc":"QZNJY2300793","name":"Treme Ombrinho","registered_at":"2026-06-05T15:11:14Z","spotify_id":"2SUf4CzPNOinJBmfXcj5Vy","type":"track"}

Miga Miga
type: MusicRecording
duration: PT2M22S
duration ms: 142245
explicit: false
by artist: Laurinha e Helena
in album: Miga Miga
  type: MusicAlbum
  date published: 2023-06-15
isrc code: QZWDW2383210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T15:07:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe93f25c2b6f07470e7641b7ae4ca8a68cdb832120a873e06d4ad35820153ebbd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6TTvQOBi8mzPoQ5eKoToly.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6TTvQOBi8mzPoQ5eKoToly
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe93f25c2b6f07470e7641b7ae4ca8a68cdb832120a873e06d4ad35820153ebbd","isrc":"QZWDW2383210","name":"Miga Miga","registered_at":"2026-06-06T15:07:22Z","spotify_id":"6TTvQOBi8mzPoQ5eKoToly","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe93f25c2b6f07470e7641b7ae4ca8a68cdb832120a873e06d4ad35820153ebbd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6TTvQOBi8mzPoQ5eKoToly.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6TTvQOBi8mzPoQ5eKoToly.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xe93f25c2b6f07470e7641b7ae4ca8a68cdb832120a873e06d4ad35820153ebbd","isrc":"QZWDW2383210","name":"Miga Miga","registered_at":"2026-06-06T15:07:22Z","spotify_id":"6TTvQOBi8mzPoQ5eKoToly","type":"track"}