Marco Ferrari
type: MusicGroup
genre: medieval
description: Marco Ferrari (born 21 August 1966 in Rimini) is a retired Italian professional footballer who played as a goalkeeper. Honours Parma UEFA Cup Winners' Cup winner: 1992–93. UEFA Super Cup winner: 19
popularity: 9
followers: 60
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x346dd2966c0490d6b8888b55fd9ec5e04317eb5ab4b5fe6789fa72e394086742. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2b50f0b6-8a96-4546-94b0-7004822d6a97.json and https://artists.proofprofile.net/proofs/artist/2b50f0b6-8a96-4546-94b0-7004822d6a97.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T20:07:57Z
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album: Dio Dalle Un Altro Amore - Fammi Entrare
  type: MusicAlbum
  date published: 2010-01-07
album: Mon Japon (Ensemble version)
  type: MusicAlbum
  date published: 2012-08-26
album: Marco Ferrari: Isabella
  type: MusicAlbum
  date published: 2012-09-28
album: La Festa Notturna
  type: MusicAlbum
  date published: 2013-06-21
album: Revelation
  type: MusicAlbum
  date published: 2014-07-10
album: Bye Bye Lovers (Ensemble Version)
  type: MusicAlbum
  date published: 2014-07-13
album: Revelation
  type: MusicAlbum
  date published: 2014-07-28
album: Marco Ferrari: Beyond Borders (From the Electronic Music to the Madrigal, from the Via Emilia to Bessarabia)
  type: MusicAlbum
  date published: 2019-09-27
album: Hemp Heart
  type: MusicAlbum
  date published: 2024-08-06
album: Jesus Melodies
  type: MusicAlbum
  date published: 2024-08-22
album: Roman Echoes
  type: MusicAlbum
  date published: 2024-09-24
album: Kind Bow Blow
  type: MusicAlbum
  date published: 2024-10-23
album: Sacred Bow
  type: MusicAlbum
  date published: 2024-12-12
album: Third Quarter
  type: MusicAlbum
  date published: 2025-03-08
track: Gratulemur christicole
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  by artist: Johannes Brassart
  by artist: Ars Italica
  by artist: Sigrid Lee
  by artist: Francis Biggi
  by artist: Marco Ferrari
  in album: Musica del XV Secolo in Italia
    type: MusicAlbum
    date published: 2012-10-01
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  additional property: CopyrightStatus
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  additional property: OTSTimestamp
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    value: 2026-07-30T18:23:33Z
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc27301d49171beb9ad72ad80bbb1f23be82dd29720276001f61ce5ba89d5d5ad. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU241117481 — a six-check JSON result.
    date published: 2026-07-30T18:23:33Z
  audio: Gratulemur christicole
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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      value: 5
    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.153
    additional property: Liveness
      type: PropertyValue
      value: 0.183
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.374
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.105
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: In tua memoria
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118066
  explicit: false
  by artist: Arnold de Lantins
  by artist: Ars Italica
  by artist: Sigrid Lee
  by artist: Francis Biggi
  by artist: Marco Ferrari
  in album: Musica del XV Secolo in Italia
    type: MusicAlbum
    date published: 2012-10-01
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: In tua memoria
track: Rostiboli gioioso

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU241117488

OTSTimestamp
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value: 2026-07-07T16:43:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x386796d227affa31dd3beb13b5b045c5b176718bbe9265670985b5a54a99ceea. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/DEU241117488 — a six-check JSON result.
date published: 2026-07-07T16:43:08Z

In tua memoria
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 122.523
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
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  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 6
additional property: Danceability
  type: PropertyValue
  value: 0.349
additional property: Energy
  type: PropertyValue
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additional property: Speechiness
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  value: 0.055
additional property: Acousticness
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  value: 0.988
additional property: Instrumentalness
  type: PropertyValue
  value: 0.788
additional property: Liveness
  type: PropertyValue
  value: 0.075
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.326
additional property: Loudness (dB)
  type: PropertyValue
  value: -36.36
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
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Rostiboli gioioso
type: MusicRecording
duration: PT2M20S
duration ms: 140200
explicit: false
by artist: Domenico da Piacenza
by artist: Ars Italica
by artist: Sigrid Lee
by artist: Francis Biggi
by artist: Marco Ferrari
in album: Musica del XV Secolo in Italia
  type: MusicAlbum
  date published: 2012-10-01
isrc code: DEU241117495
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEU241117495
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
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 0x15b0f9355d7389a8f7ff1d01acdda6a02bc9c423a9038d35e81bf107e005a06c. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/DEU241117495 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Rostiboli gioioso
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  additional property: Danceability
    type: PropertyValue
    value: 0.31
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    type: PropertyValue
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    type: PropertyValue
    value: 0.083
  additional property: Acousticness
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  additional property: Loudness (dB)
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