Mari Souto
type: MusicGroup
popularity: 2
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1322aca691cd5783e9169fc6bc3364b25585873b6cdec4f64c29f475c4ebe36d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953938
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953938
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/20c8449b-8954-4f59-984b-01605bee589a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/20c8449b-8954-4f59-984b-01605bee589a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/20c8449b-8954-4f59-984b-01605bee589a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T11:35:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1322aca691cd5783e9169fc6bc3364b25585873b6cdec4f64c29f475c4ebe36d","name":"Mari Souto","registered_at":"2026-06-16T00:55:06Z","symbol":"NIM0886522","token_address":"0x3fcbe89a1a7c45947b4bfe757dc418e437076ae2","type":"artist","uuid":"20c8449b-8954-4f59-984b-01605bee589a"}
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 0x1322aca691cd5783e9169fc6bc3364b25585873b6cdec4f64c29f475c4ebe36d. Chain 2 (Bitcoin): anchored in block 953938 (2026-06-16T11:35:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20c8449b-8954-4f59-984b-01605bee589a.json and https://artists.proofprofile.net/proofs/artist/20c8449b-8954-4f59-984b-01605bee589a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T11:35:56Z
  text: {"copyright_id":"0x1322aca691cd5783e9169fc6bc3364b25585873b6cdec4f64c29f475c4ebe36d","name":"Mari Souto","registered_at":"2026-06-16T00:55:06Z","symbol":"NIM0886522","token_address":"0x3fcbe89a1a7c45947b4bfe757dc418e437076ae2","type":"artist","uuid":"20c8449b-8954-4f59-984b-01605bee589a"}
track: Aranha
  type: MusicRecording
  duration: PT1M14S
  duration ms: 74786
  explicit: false
  by artist: Itamar Assumpção
  by artist: Mari Souto
  by artist: Rondó
  by artist: Luiz
  by artist: Paulo Barnabé
  in album: Beleléu e Banda Isca de Polícia
    type: MusicAlbum
    date published: 1998-03-01
  genre: brazilian-indie
  genre: mpb
  genre: samba
  genre: samba-paulista
  genre: bossa-nova
  genre: velha-guarda
  isrc code: BRAPI0301000
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T08:17:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa246294c53d99da0294946757e734113d9394ffa2f0e561052008bce2961c2d7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRAPI0301000
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0xa246294c53d99da0294946757e734113d9394ffa2f0e561052008bce2961c2d7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRAPI0301000 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Aranha
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.294
    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: 0.833
    additional property: Energy
      type: PropertyValue
      value: 0.51
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.603
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.209
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.745
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.713
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor