Fred Sabino
type: MusicGroup
genre: brazilian hip hop
popularity: 4
followers: 1526
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5899a4d440957435893e44777239cb13cf1dd8b9dd80f46ec4dfe38ea566e400
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4eece6d3-3295-4fa0-86f4-9bb9a939cfec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4eece6d3-3295-4fa0-86f4-9bb9a939cfec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4eece6d3-3295-4fa0-86f4-9bb9a939cfec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5899a4d440957435893e44777239cb13cf1dd8b9dd80f46ec4dfe38ea566e400","name":"Fred Sabino","registered_at":"2026-06-16T17:11:09Z","symbol":"NIM1119513","token_address":"0x8983caf34905c6e8a618c30d5aa2f65263f441cf","type":"artist","uuid":"4eece6d3-3295-4fa0-86f4-9bb9a939cfec"}
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 0x5899a4d440957435893e44777239cb13cf1dd8b9dd80f46ec4dfe38ea566e400. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4eece6d3-3295-4fa0-86f4-9bb9a939cfec.json and https://artists.proofprofile.net/proofs/artist/4eece6d3-3295-4fa0-86f4-9bb9a939cfec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x5899a4d440957435893e44777239cb13cf1dd8b9dd80f46ec4dfe38ea566e400","name":"Fred Sabino","registered_at":"2026-06-16T17:11:09Z","symbol":"NIM1119513","token_address":"0x8983caf34905c6e8a618c30d5aa2f65263f441cf","type":"artist","uuid":"4eece6d3-3295-4fa0-86f4-9bb9a939cfec"}
album: Redescobrindo Mistérios
  type: MusicAlbum
  date published: 2015-03-11
album: Ossos do Ofício
  type: MusicAlbum
  date published: 2015-07-29
  track: Ossos do Ofício
    type: MusicRecording
    duration: PT4M30S
    duration ms: 270000
    explicit: false
    by artist: Fred Sabino
    in album: Ossos do Ofício
      type: MusicAlbum
      date published: 2015-07-29
    genre: brazilian hip hop
    isrc code: US7VG1525639
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T19:14:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x12195c083f19ba790972bfc8fa7b4fe38cbdecef33444a75a7fe8423b0d3ec93
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958447
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958447
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG1525639
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:47:19Z
    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 0x12195c083f19ba790972bfc8fa7b4fe38cbdecef33444a75a7fe8423b0d3ec93. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/US7VG1525639.
      date published: 2026-07-17T19:47:19Z
    audio: Ossos do Ofício
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.165
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.592
      additional property: Energy
        type: PropertyValue
        value: 0.687
      additional property: Speechiness
        type: PropertyValue
        value: 0.177
      additional property: Acousticness
        type: PropertyValue
        value: 0.14
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.131
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.652
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.802
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Se Ouça
  type: MusicAlbum
  date published: 2015-08-25
album: Usuário
  type: MusicAlbum
  date published: 2015-10-31
album: A. C. T. U. S
  type: MusicAlbum
  date published: 2016-09-23
album: Desavença
  type: MusicAlbum
  date published: 2017-02-17
album: Retrato
  type: MusicAlbum
  date published: 2017-03-24
album: Sangue Escorre
  type: MusicAlbum
  date published: 2017-04-28
album: Doce Veneno
  type: MusicAlbum
  date published: 2018-03-23
album: Elite
  type: MusicAlbum
  date published: 2018-04-27
album: Positividade
  type: MusicAlbum
  date published: 2018-05-25
album: Tudo Garantido
  type: MusicAlbum
  date published: 2018-08-24
album: Plano B
  type: MusicAlbum
  date published: 2018-09-28
album: Ta Passando
  type: MusicAlbum
  date published: 2018-10-26
album: Netflix
  type: MusicAlbum
  date published: 2018-11-30
album: Poesia e Sexo
  type: MusicAlbum
  date published: 2024-04-03
album: Me(Ter)
  type: MusicAlbum
  date published: 2024-04-24
album: Amber Heard
  type: MusicAlbum
  date published: 2024-05-15
album: Homem Grande
  type: MusicAlbum
  date published: 2024-05-30
album: Pardo
  type: MusicAlbum
  date published: 2025-08-13
album: Compromisso
  type: MusicAlbum
  date published: 2025-08-20
  track: Compromisso
    type: MusicRecording
    duration: PT3M13S
    duration ms: 193000
    explicit: false
    by artist: Fred Sabino
    in album: Compromisso
      type: MusicAlbum
      date published: 2025-08-20
    genre: brazilian hip hop
    isrc code: QZNJY2563920
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Compromisso
album: Emoções Alternadas
album: Elite Nazista

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-03T21:59:55+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xf4d3e775b77b6e7e9dacf077f02ea7d3b17c135b92473694c7fdbf1d4e348c6a

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956634

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956634

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJY2563920

OTSTimestamp
type: PropertyValue
value: 2026-07-04T10:04:33Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4d3e775b77b6e7e9dacf077f02ea7d3b17c135b92473694c7fdbf1d4e348c6a. 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/QZNJY2563920.
date published: 2026-07-04T10:04:33Z

Compromisso
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 85.897
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.709
additional property: Energy
  type: PropertyValue
  value: 0.732
additional property: Speechiness
  type: PropertyValue
  value: 0.253
additional property: Acousticness
  type: PropertyValue
  value: 0.285
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.138
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.823
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.72
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

Emoções Alternadas
type: MusicAlbum
date published: 2025-08-27

Elite Nazista
type: MusicAlbum
date published: 2025-09-03
track: Elite Nazista
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213000
  explicit: true
  by artist: Fred Sabino
  in album: Elite Nazista
    type: MusicAlbum
    date published: 2025-09-03
  genre: brazilian hip hop
  isrc code: QZNJY2553017
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T11:04:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9cf357687ddc1bdf197e6d52bd8b0af5df9a6c0da1603ceeb9263e9c248f87f4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJY2553017
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  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 0x9cf357687ddc1bdf197e6d52bd8b0af5df9a6c0da1603ceeb9263e9c248f87f4. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZNJY2553017.
    date published: 2026-07-05T18:48:28Z
  audio: Elite Nazista
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.389
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.695
    additional property: Energy
      type: PropertyValue
      value: 0.596
    additional property: Speechiness
      type: PropertyValue
      value: 0.295
    additional property: Acousticness
      type: PropertyValue
      value: 0.402
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.269
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.597
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.351
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor