Lóca
type: MusicGroup
popularity: 4
followers: 396
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc915486f1c03d8be6f9f3239dc41e7a16ae9b765826af745373a9fe182bf1517
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e87b7a45-5a2e-4c08-bab3-576c1f7a3eb0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e87b7a45-5a2e-4c08-bab3-576c1f7a3eb0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e87b7a45-5a2e-4c08-bab3-576c1f7a3eb0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc915486f1c03d8be6f9f3239dc41e7a16ae9b765826af745373a9fe182bf1517","name":"Lóca","registered_at":"2026-06-21T09:25:25Z","symbol":"NIM1888160","token_address":"0x33c695c0839e411cc4d39f3aedf8d4a2734377eb","type":"artist","uuid":"e87b7a45-5a2e-4c08-bab3-576c1f7a3eb0"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc915486f1c03d8be6f9f3239dc41e7a16ae9b765826af745373a9fe182bf1517. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e87b7a45-5a2e-4c08-bab3-576c1f7a3eb0.json and https://artists.proofprofile.net/proofs/artist/e87b7a45-5a2e-4c08-bab3-576c1f7a3eb0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0xc915486f1c03d8be6f9f3239dc41e7a16ae9b765826af745373a9fe182bf1517","name":"Lóca","registered_at":"2026-06-21T09:25:25Z","symbol":"NIM1888160","token_address":"0x33c695c0839e411cc4d39f3aedf8d4a2734377eb","type":"artist","uuid":"e87b7a45-5a2e-4c08-bab3-576c1f7a3eb0"}
album: I (Introversão) - Quem Eu Achava Que Era
  type: MusicAlbum
  date published: 2021-04-06
album: Adaptações - Quem Eu Era
  type: MusicAlbum
  date published: 2021-06-29
album: Projeto de Ninguém - Quem Os Outros Achavam Que Eu Deveria Ser
  type: MusicAlbum
  date published: 2021-07-27
album: Quem Eu Era
  type: MusicAlbum
  date published: 2021-08-20
album: Quem Eu Achava Que Era
  type: MusicAlbum
  date published: 2021-10-07
album: Quem os Outros Achavam Que Eu Deveria Ser
  type: MusicAlbum
  date published: 2021-12-21
album: 0, 1, 2 - Micro Canções
  type: MusicAlbum
  date published: 2022-11-16
album: 3, 4, 5 - Micro Canções
  type: MusicAlbum
  date published: 2022-12-19
album: 6, 7, 8 - Micro Canções
  type: MusicAlbum
  date published: 2023-01-18
album: 9, 10, 11 - Micro Canções
  type: MusicAlbum
  date published: 2023-02-16
album: 12, 13, 14 - Micro Canções
  type: MusicAlbum
  date published: 2023-03-16
album: Micro Canções
  type: MusicAlbum
  date published: 2023-05-11
album: 3/4
  type: MusicAlbum
  date published: 2023-06-22
album: Ali Se Há
  type: MusicAlbum
  date published: 2023-07-25
album: Suíte Intp
  type: MusicAlbum
  date published: 2023-10-03
album: 1/4 Quem Sou
  type: MusicAlbum
  date published: 2025-05-15
  track: Adaptações (Quem Sou)
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233793
    explicit: false
    by artist: Lóca
    in album: 1/4 Quem Sou
      type: MusicAlbum
      date published: 2025-05-15
    isrc code: BXK2C2300030
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T15:00:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x239d64edef927187464b8f7d8aa995c9c912908a3129a5fe4d9f45e821a0ae79
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959144
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959144
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXK2C2300030
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T15:38:35Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x239d64edef927187464b8f7d8aa995c9c912908a3129a5fe4d9f45e821a0ae79. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/BXK2C2300030.
      date published: 2026-07-22T15:38:35Z
    audio: Adaptações (Quem Sou)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.399
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.349
      additional property: Energy
        type: PropertyValue
        value: 0.309
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.512
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.008
      additional property: Liveness
        type: PropertyValue
        value: 0.328
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.122
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.858
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor