Federico del Sordo
type: MusicGroup
genre: gregorian chant
popularity: 20
followers: 202
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x8c1a4312352e03e7936543d2824ebb0b93a9b6a4b93659d249975d373c513e67
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4521ed93-f4fd-4179-a49a-fa4a169dea66.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/4521ed93-f4fd-4179-a49a-fa4a169dea66.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4521ed93-f4fd-4179-a49a-fa4a169dea66
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
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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 0x8c1a4312352e03e7936543d2824ebb0b93a9b6a4b93659d249975d373c513e67. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4521ed93-f4fd-4179-a49a-fa4a169dea66.json and https://artists.proofprofile.net/proofs/artist/4521ed93-f4fd-4179-a49a-fa4a169dea66.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
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album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
  track: Messa Della Domenica: Tocata avanti la Messa Della Domenica
    type: MusicRecording
    duration: PT1M20S
    duration ms: 80718
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    by artist: Girolamo Frescobaldi
    by artist: Federico del Sordo
    by artist: Schola Gregoriana Gregoriani Urbis Cantores
    by artist: Alberto Turco
    in album: Girolamo Frescobaldi: Fiori musicali
      type: MusicAlbum
      date published: 2016-08-24
    genre: classical
    genre: early-music
    genre: baroque
    genre: italian-baroque
    genre: renaissance
    isrc code: GBSMU2957811
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956302
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957811
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    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 0x01442edd86de2ea0655c581bf256148b77a8662d3431000e1ec2441971abb880. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBSMU2957811.
      date published: 2026-07-02T03:30:09Z
    audio: Messa Della Domenica: Tocata avanti la Messa Della Domenica
      type: AudioObject
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      additional property: Mode (Major/Minor)
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        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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  track: Messa Della Domenica: Kyrye I
    type: MusicRecording
    duration: PT1M3S
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    by artist: Girolamo Frescobaldi
    by artist: Federico del Sordo
    by artist: Schola Gregoriana Gregoriani Urbis Cantores
    by artist: Alberto Turco
    in album: Girolamo Frescobaldi: Fiori musicali
      type: MusicAlbum
      date published: 2016-08-24
    genre: classical
    genre: early-music
    genre: baroque
    genre: italian-baroque
    genre: renaissance
    isrc code: GBSMU2957813
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSBitcoinBlock
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957813
    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 0x7e60f30468f12d3fe79ca97271501bbcf56b283a1eaec1bd97dea42bfbea731e. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957813.
      date published: 2026-07-02T03:55:08Z
    audio: Messa Della Domenica: Kyrye I
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      additional property: Tempo (BPM)
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
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      additional property: Speechiness
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      additional property: Instrumentalness
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      additional property: Valence (Positivity)
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  track: Messa Della Domenica: Kyrye II
  track: Messa Della Domenica: Kyrye III
  track: Messa Della Domenica: Kyrye IV
  track: Messa Della Domenica: Canzon Dopo la Pistola
  track: Messa Della Domenica: Recercar dopo il Credo
  track: Messa Della Domenica: Tocata Cromaticha Per la levatione
  track: Messa Della Domenica: Canzon post il Comune
  track: Messa Delli Apostoli: Tocata avanti la Messa Delli Apostoli
  track: Messa Delli Apostoli: Kyrye III
  track: Messa Delli Apostoli: Kyrye IV
  track: Messa della Madonna: Recercar Dopo il Credo
album: Bottazzi: Choro et Organo
album: Cavazzoni: Complete Organ Music
album: Fasolo: Magnificat, Salve Regina, Ricercates
album: Giovanni Battista Fasolo: Messe; in duplicibus diebus e Beate Mariae Virginis
album: Salvatore: Organ-Alternatim Masses
album: Merulo: Organ-Alternatim Masses
album: Dal Barba: Violin Sonatas
album: Tessarini: 6 Violin Sonatas, Op. 14, 6 Trio Sonatas, Op. 9
album: Telemann 6 Violin Sonatas
album: Veracini: Violin Sonatas from Unpublished Manuscripts
album: Tessarini: Violin Sonatas
album: J.S. Bach: Complete Edition, Vol. 2/10
album: Italian Baroque: The Instrumental Edition Vol. 7
album: Perlen Europaeischer Barockmusik
album: Antonio's Book
album: Viadana: Solo Tenor Motets; Canale:Keyboard Canzonas
album: Corradini: Canzonas and Sonatas
album: Spanish Secular Cantatas
album: Corradini: 12 Ricercari & Vendi: Canzoni
album: Iribarren: Sacred Music in Malaga Cathedral
album: Bonelli: Complete Keyboard Music
album: Antegnati: 12 Ricercari
album: Giovanni Battista Fasolo: Messa della Domenica e altri brani
album: Una finestra sul cielo, musica per tromba ed organo
album: J. S. Bach: Inventionen und Sinfonien
album: Fasolo: Masses & Hymns
album: Cangiasi: Scherzi forastieri

Speechiness
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value: 0.037

Acousticness
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value: 0.907

Instrumentalness
type: PropertyValue
value: 0.139

Liveness
type: PropertyValue
value: 0.099

Valence (Positivity)
type: PropertyValue
value: 0.134

Loudness (dB)
type: PropertyValue
value: -18.605

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Minor

Messa Della Domenica: Kyrye II
type: MusicRecording
duration: PT1M16S
duration ms: 76199
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:04:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d6e41be1190d320202825063cb89bd31835be889f8fd973c1aea1ff3b6bf130
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957815
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x8d6e41be1190d320202825063cb89bd31835be889f8fd973c1aea1ff3b6bf130. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBSMU2957815.
  date published: 2026-06-13T13:32:09Z
audio: Messa Della Domenica: Kyrye II
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.751
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.219
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.788
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
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Messa Della Domenica: Kyrye III
type: MusicRecording
duration: PT1M3S
duration ms: 63294
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957817
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:52:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x219acd1d9bf39e942b92de5ff195d890f01d6c0e40ca5242d28db25867c8ce5c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957817
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x219acd1d9bf39e942b92de5ff195d890f01d6c0e40ca5242d28db25867c8ce5c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBSMU2957817.
  date published: 2026-07-02T03:30:09Z
audio: Messa Della Domenica: Kyrye III
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.026
  additional property: Key Name
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    value: C#
  additional property: Mode Name
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Messa Della Domenica: Kyrye IV
type: MusicRecording
duration: PT1M31S
duration ms: 91533
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957819
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T16:06:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x823978d74c0bf5a1b830b700c679661bd7e65cc0cf30f76eda1c15ab71001c8b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/GBSMU2957819
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 0x823978d74c0bf5a1b830b700c679661bd7e65cc0cf30f76eda1c15ab71001c8b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957819.
  date published: 2026-07-02T03:55:08Z
audio: Messa Della Domenica: Kyrye IV
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Messa Della Domenica: Canzon Dopo la Pistola
type: MusicRecording
duration: PT2M23S
duration ms: 143307
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957912
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T08:01:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4893a895814e4cbd8f40c249171b1135474d65d568c06b2ca3c09f4db8c380b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957912
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x4893a895814e4cbd8f40c249171b1135474d65d568c06b2ca3c09f4db8c380b5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBSMU2957912.
  date published: 2026-07-02T03:30:09Z
audio: Messa Della Domenica: Canzon Dopo la Pistola
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.067
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.184
  additional property: Energy
    type: PropertyValue
    value: 0.064
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.878
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.281
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.718
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Messa Della Domenica: Recercar dopo il Credo
type: MusicRecording
duration: PT2M21S
duration ms: 141165
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957945
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:49:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x706dc699d8974b680ce0a7e033b36810fcebdd1e0b7d12bc9a8f80dcf55a4f66
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957945
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 0x706dc699d8974b680ce0a7e033b36810fcebdd1e0b7d12bc9a8f80dcf55a4f66. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBSMU2957945.
  date published: 2026-07-06T06:56:49Z
audio: Messa Della Domenica: Recercar dopo il Credo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.457
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.367
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.86
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.288
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.398
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Messa Della Domenica: Tocata Cromaticha Per la levatione
type: MusicRecording
duration: PT3M27S
duration ms: 207725
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957947
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:31:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee6eb642bba6b496467b8f8e429e0b5b15cdc4fd67cb5dda139d4016c4183dc9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957947
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0xee6eb642bba6b496467b8f8e429e0b5b15cdc4fd67cb5dda139d4016c4183dc9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBSMU2957947.
  date published: 2026-07-02T03:30:09Z
audio: Messa Della Domenica: Tocata Cromaticha Per la levatione
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.125
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.071
  additional property: Energy
    type: PropertyValue
    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.984
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.127
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.018
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Messa Della Domenica: Canzon post il Comune
type: MusicRecording
duration: PT3M20S
duration ms: 200568
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957951
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:42:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x050a1913c901795d7412331a5fdb583ea3abdef4b950000122759ded15f625d7
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/GBSMU2957951
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 0x050a1913c901795d7412331a5fdb583ea3abdef4b950000122759ded15f625d7. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957951.
  date published: 2026-07-02T03:55:08Z
audio: Messa Della Domenica: Canzon post il Comune
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.246
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.075
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.907
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.344
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.329
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Messa Delli Apostoli: Tocata avanti la Messa Delli Apostoli
type: MusicRecording
duration: PT1M29S
duration ms: 89051
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957965
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:41:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xacfecb4ccc4540352abc92a67df40aa9fff3aad16c813d5a5c75fedf07622424
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/GBSMU2957965
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 0xacfecb4ccc4540352abc92a67df40aa9fff3aad16c813d5a5c75fedf07622424. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957965.
  date published: 2026-07-02T03:55:08Z
audio: Messa Delli Apostoli: Tocata avanti la Messa Delli Apostoli
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.13
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.133
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.239
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.777
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.128
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Messa Delli Apostoli: Kyrye III
type: MusicRecording
duration: PT1M6S
duration ms: 66716
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957975
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T12:23:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x133a2c98b4628133ac7cf0afbc9965f65417e9cab52afacae0be187a76d2d217
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2957975
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0x133a2c98b4628133ac7cf0afbc9965f65417e9cab52afacae0be187a76d2d217. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBSMU2957975.
  date published: 2026-06-13T15:41:10Z
audio: Messa Delli Apostoli: Kyrye III
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.962
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.021
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.378
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.548
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Messa Delli Apostoli: Kyrye IV
type: MusicRecording
duration: PT1M35S
duration ms: 95007
explicit: false
by artist: Girolamo Frescobaldi
by artist: Federico del Sordo
by artist: Schola Gregoriana Gregoriani Urbis Cantores
by artist: Alberto Turco
in album: Girolamo Frescobaldi: Fiori musicali
  type: MusicAlbum
  date published: 2016-08-24
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: renaissance
isrc code: GBSMU2957979
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:19:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4823dd3ef93a4873763722a89f24fae40df01cf28e73c29ff8a3747d32616741
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/GBSMU2957979
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
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Messa della Madonna: Recercar Dopo il Credo
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Bottazzi: Choro et Organo
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date published: 2023-03-01

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date published: 2021-07-30

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date published: 2017-11-24

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date published: 2016-10-05

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date published: 2016-04-08

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date published: 2016-02-05

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date published: 2022-12-28

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date published: 2019-10-25

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type: MusicAlbum
date published: 2017-01-06

Veracini: Violin Sonatas from Unpublished Manuscripts
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date published: 2014-08-08

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type: MusicAlbum
date published: 2014-06-27

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type: MusicAlbum
date published: 2014-12-05

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type: MusicAlbum
date published: 2016-09-02

Perlen Europaeischer Barockmusik
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date published: 2016-08-23

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date published: 2020-12-29

Viadana: Solo Tenor Motets; Canale:Keyboard Canzonas
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date published: 2024-11-27

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date published: 2023-11-29

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date published: 2023-05-31

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date published: 2021-02-26

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date published: 2020-03-27

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date published: 2019-06-28

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type: MusicAlbum
date published: 2018-07-27

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date published: 2016-09-28

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date published: 2016-06-07

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date published: 2016-05-18

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date published: 2025-03-28

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date published: 2025-05-28