Maciej Gocman
type: MusicGroup
popularity: 5
followers: 66
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01e355c32ee35ac6b71dd0405331f35bbdc490765f1cfb9c8842d1efb5b4c0ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/834b1ceb-7084-4108-b0d6-cc3711cf59f6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/834b1ceb-7084-4108-b0d6-cc3711cf59f6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/834b1ceb-7084-4108-b0d6-cc3711cf59f6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x01e355c32ee35ac6b71dd0405331f35bbdc490765f1cfb9c8842d1efb5b4c0ba","name":"Maciej Gocman","registered_at":"2026-06-17T11:26:16Z","symbol":"NIM1380750","token_address":"0x389bcd63c0a5b3a3b7fdb9a76190a75264ec05cc","type":"artist","uuid":"834b1ceb-7084-4108-b0d6-cc3711cf59f6"}
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 0x01e355c32ee35ac6b71dd0405331f35bbdc490765f1cfb9c8842d1efb5b4c0ba. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/834b1ceb-7084-4108-b0d6-cc3711cf59f6.json and https://artists.proofprofile.net/proofs/artist/834b1ceb-7084-4108-b0d6-cc3711cf59f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x01e355c32ee35ac6b71dd0405331f35bbdc490765f1cfb9c8842d1efb5b4c0ba","name":"Maciej Gocman","registered_at":"2026-06-17T11:26:16Z","symbol":"NIM1380750","token_address":"0x389bcd63c0a5b3a3b7fdb9a76190a75264ec05cc","type":"artist","uuid":"834b1ceb-7084-4108-b0d6-cc3711cf59f6"}
album: Gorczycki
  type: MusicAlbum
  date published: 2013-03-05
  track: Laetatus sum
    type: MusicRecording
    duration: PT4M24S
    duration ms: 264746
    explicit: false
    by artist: Grzegorz Gerwazy Gorczycki
    by artist: Susan Gilmour Bailey
    by artist: Matthew Venner
    by artist: Maciej Gocman
    by artist: Tomáš Král
    by artist: Zbigniew Pilch
    by artist: Mikotaj Zgotka
    by artist: Brent Wissick
    by artist: Tomasz Iwanek
    by artist: Premysl Vacek
    by artist: Russell Gilmour
    by artist: Stephen Gilbey
    by artist: Marta Niedzwiecka
    by artist: Andrzej Kosendiak
    in album: Gorczycki
      type: MusicAlbum
      date published: 2013-03-05
    popularity: 3
    isrc code: PLB351218609
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-30T23:04:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x07c179c790cef65a9445341de4031ee04151108a7ab8b60a2daf73904f4e9fac
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960327
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960327
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB351218609
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-31T00:26:26Z
    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 0x07c179c790cef65a9445341de4031ee04151108a7ab8b60a2daf73904f4e9fac. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/PLB351218609.
      date published: 2026-07-31T00:26:26Z
    audio: Laetatus sum
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 116.889
      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: 0.428
      additional property: Energy
        type: PropertyValue
        value: 0.279
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.928
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.016
      additional property: Liveness
        type: PropertyValue
        value: 0.186
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.484
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.738
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Completorium: Cum invocarem
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233733
    explicit: false
    by artist: Grzegorz Gerwazy Gorczycki
    by artist: Susan Gilmour Bailey
    by artist: Matthew Venner
    by artist: Maciej Gocman
    by artist: Tomáš Král
    by artist: Zbigniew Pilch
    by artist: Mikotaj Zgotka
    by artist: Brent Wissick
    by artist: Tomasz Iwanek
    by artist: Premysl Vacek
    by artist: Russell Gilmour
    by artist: Stephen Gilbey
    by artist: Marta Niedzwiecka
    by artist: Andrzej Kosendiak
    in album: Gorczycki
      type: MusicAlbum
      date published: 2013-03-05
    popularity: 2
    isrc code: PLB351218610
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-30T19:41:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2cf16ba05bf6a164f2c2dc2e984acd0a1ce3a3fbd0e4975d0fb293b2759c8832
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960302
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960302
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB351218610
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T20:09:33Z
    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 0x2cf16ba05bf6a164f2c2dc2e984acd0a1ce3a3fbd0e4975d0fb293b2759c8832. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/PLB351218610.
      date published: 2026-07-30T20:09:33Z
    audio: Completorium: Cum invocarem
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.47
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      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
  track: Completorium: In te, Domine, speravi
  track: Completorium: Te lucis ante terminum
  track: Completorium: Nunc dimittis
album: Zieleński: Offertoria et communiones totius anni (Excerpts)
album: Gorczycki II
album: Szarzyński & Others: Works
album: Pękiel: Sacred Works
album: Marcin Mielczewski: Sacred Choral Music
album: Jacek Różycki: Hymns
album: Żebrowski: Vesperae in visitatione beatae Mariae Virginis
album: Heinrich Schütz Edition, Vol. 3
album: Heinrich Schütz Edition, Vol. 2
album: Żebrowski: Rorate caeli, Magnificat & Missa pastoritia (Live)
album: Evening Song / Pieśń Wieczorna / Giesmė Vakarinė
album: Mikołaj Gomółka Melodie na Psałterz Polski Opera Omnia (Vols 9 & 10) Psalmy Prorocze, Psalmy Błagalne III, Psalmy Pochwalne
album: Masters of the Past Newly Discovered
album: Sch
album: Donizetti Operas Part: 8
album: The Salzburg Marian Mass

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 6

Danceability
type: PropertyValue
value: 0.318

Energy
type: PropertyValue
value: 0.167

Speechiness
type: PropertyValue
value: 0.038

Acousticness
type: PropertyValue
value: 0.962

Instrumentalness
type: PropertyValue
value: 0.009

Liveness
type: PropertyValue
value: 0.062

Valence (Positivity)
type: PropertyValue
value: 0.304

Loudness (dB)
type: PropertyValue
value: -18.207

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Completorium: In te, Domine, speravi
type: MusicRecording
duration: PT4M3S
duration ms: 243533
explicit: false
by artist: Grzegorz Gerwazy Gorczycki
by artist: Susan Gilmour Bailey
by artist: Matthew Venner
by artist: Maciej Gocman
by artist: Tomáš Král
by artist: Zbigniew Pilch
by artist: Mikotaj Zgotka
by artist: Brent Wissick
by artist: Tomasz Iwanek
by artist: Premysl Vacek
by artist: Russell Gilmour
by artist: Stephen Gilbey
by artist: Marta Niedzwiecka
by artist: Andrzej Kosendiak
in album: Gorczycki
  type: MusicAlbum
  date published: 2013-03-05
popularity: 2
isrc code: PLB351218611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:46:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e28cc60e42a9206cbc99c487d6dd68dfdf34e5226b4a076cb1d6c41b905f8db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB351218611
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0x6e28cc60e42a9206cbc99c487d6dd68dfdf34e5226b4a076cb1d6c41b905f8db. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/PLB351218611.
  date published: 2026-07-31T02:19:15Z
audio: Completorium: In te, Domine, speravi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.869
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.387
  additional property: Energy
    type: PropertyValue
    value: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.2
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.322
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Completorium: Te lucis ante terminum
type: MusicRecording
duration: PT2M15S
duration ms: 135706
explicit: false
by artist: Grzegorz Gerwazy Gorczycki
by artist: Susan Gilmour Bailey
by artist: Matthew Venner
by artist: Maciej Gocman
by artist: Tomáš Král
by artist: Zbigniew Pilch
by artist: Mikotaj Zgotka
by artist: Brent Wissick
by artist: Tomasz Iwanek
by artist: Premysl Vacek
by artist: Russell Gilmour
by artist: Stephen Gilbey
by artist: Marta Niedzwiecka
by artist: Andrzej Kosendiak
in album: Gorczycki
  type: MusicAlbum
  date published: 2013-03-05
popularity: 1
isrc code: PLB351218614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:09:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa009dcd4910bfd80f261df33e30a446199d8512eeb0df6063087243bf370269c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB351218614
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46Z
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 0xa009dcd4910bfd80f261df33e30a446199d8512eeb0df6063087243bf370269c. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/PLB351218614.
  date published: 2026-07-31T20:22:46Z
audio: Completorium: Te lucis ante terminum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.79
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.097
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.605
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.733
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Completorium: Nunc dimittis
type: MusicRecording
duration: PT3M34S
duration ms: 214986
explicit: false
by artist: Grzegorz Gerwazy Gorczycki
by artist: Susan Gilmour Bailey
by artist: Matthew Venner
by artist: Maciej Gocman
by artist: Tomáš Král
by artist: Zbigniew Pilch
by artist: Mikotaj Zgotka
by artist: Brent Wissick
by artist: Tomasz Iwanek
by artist: Premysl Vacek
by artist: Russell Gilmour
by artist: Stephen Gilbey
by artist: Marta Niedzwiecka
by artist: Andrzej Kosendiak
in album: Gorczycki
  type: MusicAlbum
  date published: 2013-03-05
popularity: 2
isrc code: PLB351218616
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:30:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbedc3df7f6261ee11da3ff50770707756e4e184cec138d85127a17d36f5e6163
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB351218616
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xbedc3df7f6261ee11da3ff50770707756e4e184cec138d85127a17d36f5e6163. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB351218616.
  date published: 2026-07-08T03:20:19Z
audio: Completorium: Nunc dimittis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 188.279
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.225
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.046
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.36
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.353
  additional property: Key Name
    type: PropertyValue
    value: C#
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Szarzyński & Others: Works
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Pękiel: Sacred Works
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Marcin Mielczewski: Sacred Choral Music
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Jacek Różycki: Hymns
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Heinrich Schütz Edition, Vol. 3
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Heinrich Schütz Edition, Vol. 2
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Żebrowski: Rorate caeli, Magnificat & Missa pastoritia (Live)
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Evening Song / Pieśń Wieczorna / Giesmė Vakarinė
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Sch
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Donizetti Operas Part: 8
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Sch
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