Matteo Fiorentino
type: MusicGroup
popularity: 3
followers: 5
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x19cad3ae5c83de46096860d61b667d26e8fb34157477fe39d6354046fde56511
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953958
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953958
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2763e480-ce95-4086-a9f7-369d4abdfadd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2763e480-ce95-4086-a9f7-369d4abdfadd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2763e480-ce95-4086-a9f7-369d4abdfadd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:52:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x19cad3ae5c83de46096860d61b667d26e8fb34157477fe39d6354046fde56511","name":"Matteo Fiorentino","registered_at":"2026-06-16T03:13:51Z","symbol":"NIM0919673","token_address":"0x2fc3c14727d1ce63afa46d77ab5d00d30ae6f9da","type":"artist","uuid":"2763e480-ce95-4086-a9f7-369d4abdfadd"}
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 0x19cad3ae5c83de46096860d61b667d26e8fb34157477fe39d6354046fde56511. Chain 2 (Bitcoin): anchored in block 953958 (2026-06-16T14:52:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2763e480-ce95-4086-a9f7-369d4abdfadd.json and https://artists.proofprofile.net/proofs/artist/2763e480-ce95-4086-a9f7-369d4abdfadd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T14:52:44Z
  text: {"copyright_id":"0x19cad3ae5c83de46096860d61b667d26e8fb34157477fe39d6354046fde56511","name":"Matteo Fiorentino","registered_at":"2026-06-16T03:13:51Z","symbol":"NIM0919673","token_address":"0x2fc3c14727d1ce63afa46d77ab5d00d30ae6f9da","type":"artist","uuid":"2763e480-ce95-4086-a9f7-369d4abdfadd"}
album: Sussurri Del Passato (Whispers Of The Past)
  type: MusicAlbum
  date published: 2025-06-08
  track: Sussurri Del Passato (Whispers Of The Past)
    type: MusicRecording
    duration: PT2M13S
    duration ms: 133038
    explicit: false
    by artist: Matteo Fiorentino
    in album: Sussurri Del Passato (Whispers Of The Past)
      type: MusicAlbum
      date published: 2025-06-08
    isrc code: QZTAU2533629
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T08:06:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x47242aac069eb69ca34c5f2dc14719bd3e9e7c467a53cf127ac7c0c5346e118d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2533629
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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 0x47242aac069eb69ca34c5f2dc14719bd3e9e7c467a53cf127ac7c0c5346e118d. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZTAU2533629.
      date published: 2026-07-04T14:03:39Z
    audio: Sussurri Del Passato (Whispers Of The Past)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.018
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.708
      additional property: Energy
        type: PropertyValue
        value: 0.139
      additional property: Speechiness
        type: PropertyValue
        value: 0.104
      additional property: Acousticness
        type: PropertyValue
        value: 0.984
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.964
      additional property: Liveness
        type: PropertyValue
        value: 0.107
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.159
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.184
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Whispers Of The Past (Calm Piano)
  type: MusicAlbum
  date published: 2025-06-29
album: Riflessi Sull’Acqua
  type: MusicAlbum
  date published: 2025-07-20
  track: Riflessi Sull’Acqua
    type: MusicRecording
    duration: PT2M32S
    duration ms: 152451
    explicit: false
    by artist: Matteo Fiorentino
    in album: Riflessi Sull’Acqua
      type: MusicAlbum
      date published: 2025-07-20
    isrc code: QZTAT2533079
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T02:24:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4ea7bc6f4bac698ea2e77186aff4da68230478ba0c4c94f4b6440462a69ded1f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956891
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956891
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAT2533079
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T07:16:32Z
    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 0x4ea7bc6f4bac698ea2e77186aff4da68230478ba0c4c94f4b6440462a69ded1f. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZTAT2533079.
      date published: 2026-07-06T07:16:32Z
    audio: Riflessi Sull’Acqua
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 155.827
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.621
      additional property: Energy
        type: PropertyValue
        value: 0.272
      additional property: Speechiness
        type: PropertyValue
        value: 0.062
      additional property: Acousticness
        type: PropertyValue
        value: 0.992
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.939
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Last Light (Gentle Rain for Sleep)
album: Rainy Canal Morning
album: Silent Dream
album: Last Light (Peaceful Ocean Waves)

Valence (Positivity)
type: PropertyValue
value: 0.388

Loudness (dB)
type: PropertyValue
value: -17.478

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Last Light (Gentle Rain for Sleep)
type: MusicAlbum
date published: 2025-08-19

Rainy Canal Morning
type: MusicAlbum
date published: 2025-09-09
track: Rainy Canal Morning
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131200
  explicit: false
  by artist: Matteo Fiorentino
  in album: Rainy Canal Morning
    type: MusicAlbum
    date published: 2025-09-09
  isrc code: QZZ7L2550616
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T13:16:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x78b9033852edc93c63634638a7fadc65bf18330c1fe72d76d06ae5b2229c6597
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7L2550616
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 0x78b9033852edc93c63634638a7fadc65bf18330c1fe72d76d06ae5b2229c6597. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZZ7L2550616.
    date published: 2026-07-03T19:59:51Z
  audio: Rainy Canal Morning
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.116
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.159
    additional property: Energy
      type: PropertyValue
      value: 0.05
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.972
    additional property: Liveness
      type: PropertyValue
      value: 0.181
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.051
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.906
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Silent Dream
type: MusicAlbum
date published: 2025-10-01
track: Silent Dream
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130243
  explicit: false
  by artist: Matteo Fiorentino
  in album: Silent Dream
    type: MusicAlbum
    date published: 2025-10-01
  isrc code: QT3EX2505155
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T21:49:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa3448fe4570cb5c22ac4e755f5f30221143ab78f144ad2e41b8ff2d47c2ae8cb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3EX2505155
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0xa3448fe4570cb5c22ac4e755f5f30221143ab78f144ad2e41b8ff2d47c2ae8cb. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QT3EX2505155.
    date published: 2026-07-04T11:19:20Z
  audio: Silent Dream
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.431
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 1
    additional property: Danceability
      type: PropertyValue
      value: 0.141
    additional property: Energy
      type: PropertyValue
      value: 0.003
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.946
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.971
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.035
    additional property: Loudness (dB)
      type: PropertyValue
      value: -40.003
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Last Light (Peaceful Ocean Waves)
type: MusicAlbum
date published: 2025-10-27
track: Last Light (Peaceful Ocean Waves)
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130000
  explicit: false
  by artist: Matteo Fiorentino
  in album: Last Light (Peaceful Ocean Waves)
    type: MusicAlbum
    date published: 2025-10-27
  isrc code: QT3FB2511953
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T09:19:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb74e6bf5cf09a515b988ea1218101a05609b5aec8314424a63a6637d3f595d7b
  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/QT3FB2511953
  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 0xb74e6bf5cf09a515b988ea1218101a05609b5aec8314424a63a6637d3f595d7b. 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/QT3FB2511953.
    date published: 2026-07-04T10:04:33Z
  audio: Last Light (Peaceful Ocean Waves)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.069
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.126
    additional property: Energy
      type: PropertyValue
      value: 0.081
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.903
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.968
    additional property: Liveness
      type: PropertyValue
      value: 0.317
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.033
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.629
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major