Carlos Maltz
type: MusicGroup
genre: brazilian rock
popularity: 12
followers: 1236
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed8f53c899282f8d63eb79fc177787f36a7468e65b7ed205cd714971823f366c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953754
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953754
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af24cf4e-139a-4e90-809e-27cb0c395ae2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af24cf4e-139a-4e90-809e-27cb0c395ae2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/af24cf4e-139a-4e90-809e-27cb0c395ae2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T06:45:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xed8f53c899282f8d63eb79fc177787f36a7468e65b7ed205cd714971823f366c","name":"Carlos Maltz","registered_at":"2026-06-14T22:49:12Z","symbol":"NIM0601077","token_address":"0xa00433dba3b27173dec2cacc171aa3452c27ef9a","type":"artist","uuid":"af24cf4e-139a-4e90-809e-27cb0c395ae2"}
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 0xed8f53c899282f8d63eb79fc177787f36a7468e65b7ed205cd714971823f366c. Chain 2 (Bitcoin): anchored in block 953754 (2026-06-15T06:45:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/af24cf4e-139a-4e90-809e-27cb0c395ae2.json and https://artists.proofprofile.net/proofs/artist/af24cf4e-139a-4e90-809e-27cb0c395ae2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T06:45:19Z
  text: {"copyright_id":"0xed8f53c899282f8d63eb79fc177787f36a7468e65b7ed205cd714971823f366c","name":"Carlos Maltz","registered_at":"2026-06-14T22:49:12Z","symbol":"NIM0601077","token_address":"0xa00433dba3b27173dec2cacc171aa3452c27ef9a","type":"artist","uuid":"af24cf4e-139a-4e90-809e-27cb0c395ae2"}
album: Irmandade Interplanetária
  type: MusicAlbum
  date published: 1997-12-30
album: Anjos de Metal
  type: MusicAlbum
  date published: 1998-03-30
album: Farinha do Mesmo Saco
  type: MusicAlbum
  date published: 2002-10-01
  track: Depois de Nós
    type: MusicRecording
    duration: PT4M14S
    duration ms: 254213
    explicit: false
    by artist: Carlos Maltz
    in album: Farinha do Mesmo Saco
      type: MusicAlbum
      date published: 2002-10-01
    genre: brazilian rock
    isrc code: US7VG1759531
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T00:11:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x497c2bd54d5d0ab0b2f4545f01ccbad189dadfd218e968875ce38d65e795f337
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG1759531
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0x497c2bd54d5d0ab0b2f4545f01ccbad189dadfd218e968875ce38d65e795f337. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/US7VG1759531.
      date published: 2026-07-04T10:04:33Z
    audio: Depois de Nós
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.076
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.566
      additional property: Energy
        type: PropertyValue
        value: 0.686
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.023
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.309
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.577
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.762
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Lanterna na Proa
  type: MusicAlbum
  date published: 2015-03-14
album: Vícios de Linguagem
  type: MusicAlbum
  date published: 2016-09-09
album: Folia de Reis
  type: MusicAlbum
  date published: 2017-04-16