Rafa Ferrari
type: MusicGroup
popularity: 7
followers: 144
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d0b34b623bb422d2466bd8905adb4476da72eeaa3ce346ac20e5d166aa3aad8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953930
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953930
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1f049c39-5bd5-45e2-b1f2-b568c0163908.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1f049c39-5bd5-45e2-b1f2-b568c0163908.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1f049c39-5bd5-45e2-b1f2-b568c0163908
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T10:36:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6d0b34b623bb422d2466bd8905adb4476da72eeaa3ce346ac20e5d166aa3aad8","name":"Rafa Ferrari","registered_at":"2026-06-16T00:15:45Z","symbol":"NIM0877136","token_address":"0x74f28cc5b40f1b6a724e816af4d29fa3e496295c","type":"artist","uuid":"1f049c39-5bd5-45e2-b1f2-b568c0163908"}
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 0x6d0b34b623bb422d2466bd8905adb4476da72eeaa3ce346ac20e5d166aa3aad8. Chain 2 (Bitcoin): anchored in block 953930 (2026-06-16T10:36:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1f049c39-5bd5-45e2-b1f2-b568c0163908.json and https://artists.proofprofile.net/proofs/artist/1f049c39-5bd5-45e2-b1f2-b568c0163908.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T10:36:13Z
  text: {"copyright_id":"0x6d0b34b623bb422d2466bd8905adb4476da72eeaa3ce346ac20e5d166aa3aad8","name":"Rafa Ferrari","registered_at":"2026-06-16T00:15:45Z","symbol":"NIM0877136","token_address":"0x74f28cc5b40f1b6a724e816af4d29fa3e496295c","type":"artist","uuid":"1f049c39-5bd5-45e2-b1f2-b568c0163908"}
album: Si la pena me atropella
  type: MusicAlbum
  date published: 2023-04-27
album: Y si aguanta (Organic version)
  type: MusicAlbum
  date published: 2023-05-25
album: Bon voyage
  type: MusicAlbum
  date published: 2023-07-07
album: El otro día te vi
  type: MusicAlbum
  date published: 2023-09-07
album: Pienso en ti
  type: MusicAlbum
  date published: 2024-02-01
album: Cursi Novela
  type: MusicAlbum
  date published: 2025-03-19
  track: Manto de seda
    type: MusicRecording
    duration: PT2M36S
    duration ms: 156500
    explicit: false
    by artist: Rafa Ferrari
    in album: Cursi Novela
      type: MusicAlbum
      date published: 2025-03-19
    isrc code: QZHNC2559448
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T03:17:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa6dad0fd29800e2c58a62d3baf6853ac42801631640de11874653cccd96f04dd
    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/QZHNC2559448
    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 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 0xa6dad0fd29800e2c58a62d3baf6853ac42801631640de11874653cccd96f04dd. 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/QZHNC2559448.
      date published: 2026-07-04T10:04:33Z
    audio: Manto de seda
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.723
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.669
      additional property: Energy
        type: PropertyValue
        value: 0.331
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.512
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.047
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.723
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.339
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Difícil de querer
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219125
    explicit: false
    by artist: Rafa Ferrari
    in album: Cursi Novela
      type: MusicAlbum
      date published: 2025-03-19
    isrc code: QZHNC2559451
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T16:03:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfe024f3ce9766e0a307e33470cd575d2939bbd74ac37147f3427d302b20da57e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958300
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958300
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNC2559451
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T16:14:30Z
    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 0xfe024f3ce9766e0a307e33470cd575d2939bbd74ac37147f3427d302b20da57e. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZHNC2559451.
      date published: 2026-07-16T16:14:30Z
    audio: Difícil de querer
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 75.017
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.658
      additional property: Energy
        type: PropertyValue
        value: 0.184
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: En vivo en Teatro Mori 24/04/25

Acousticness
type: PropertyValue
value: 0.75

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.124

Valence (Positivity)
type: PropertyValue
value: 0.235

Loudness (dB)
type: PropertyValue
value: -14.535

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

En vivo en Teatro Mori 24/04/25
type: MusicAlbum
date published: 2025-08-21
track: Difícil de querer - Teatro Mori
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290810
  explicit: false
  by artist: Rafa Ferrari
  in album: En vivo en Teatro Mori 24/04/25
    type: MusicAlbum
    date published: 2025-08-21
  isrc code: QZWFW2577271
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T02:58:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x784183fd74ab3cee9ecc4dc97ec6ef9a5ab52fc5d93bd472e6d4b51bf734a727
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFW2577271
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x784183fd74ab3cee9ecc4dc97ec6ef9a5ab52fc5d93bd472e6d4b51bf734a727. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZWFW2577271.
    date published: 2026-07-05T10:01:46Z
  audio: Difícil de querer - Teatro Mori
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 142.467
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.389
    additional property: Energy
      type: PropertyValue
      value: 0.649
    additional property: Speechiness
      type: PropertyValue
      value: 0.093
    additional property: Acousticness
      type: PropertyValue
      value: 0.069
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.343
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.351
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.248
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major