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album: Heroes and Heroines of Bayreuth: Friedrich Schorr (Historical Recordings 1926-1932)
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album: Enrico Caruso, Vol. 1 (1903-1908)
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  track: Pagliacci, Act I: Vesti la giubba
album: Enrico Caruso, Vol. 5 (1917-1920)
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album: Il mito dell'Opera: Mario Filippieschi (Recorded 1955-1957)
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album: Best of the United States Navy Band
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Pagliacci, Act I: Vesti la giubba
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  date published: 2026-07-08T03:53:27Z
audio: Pagliacci, Act I: Vesti la giubba
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Tu sonrisa de Cristal
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Mother Machree
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Cello Concerto in C Minor (spuriously attrib. to Johann Christian Bach): II. Adagio molto espressivo
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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/PLA169728502
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa822cae838a05972c6e82e4eb8c57bd2ce79057f6e7ce43c3ddfffe64ff9f6c9. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PLA169728502.
  date published: 2026-07-08T03:53:27Z
audio: Cello Concerto in C Minor (spuriously attrib. to Johann Christian Bach): II. Adagio molto espressivo
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Cello Concerto in C Minor (spuriously attrib. to Johann Christian Bach): I. Allegro
type: MusicRecording
duration: PT4M22S
duration ms: 262480
explicit: false
by artist: Henri Casadesus
by artist: Adam Klocek
by artist: Sinfonia Varsovia Soloists
by artist: StudioConductor
in album: Adam Klocek
  type: MusicAlbum
  date published: 2013-09-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x222e7ab79686e51952a551e333f7794b495b818869223c077fb42466558a8444. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/PLA169728501.
  date published: 2026-07-31T03:15:04Z
audio: Cello Concerto in C Minor (spuriously attrib. to Johann Christian Bach): I. Allegro
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Time Signature
    type: PropertyValue
    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: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: PLA169728501
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T03:15:04+00:00
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

Cello Concerto in C Minor (spuriously attrib. to Johann Christian Bach): III. Allegro molto energico
type: MusicRecording
duration: PT4M24S
duration ms: 264613
explicit: false
by artist: Henri Casadesus
by artist: Adam Klocek
by artist: Sinfonia Varsovia Soloists
by artist: StudioConductor
in album: Adam Klocek
  type: MusicAlbum
  date published: 2013-09-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfa3bc9465d2f11bcebca2df7e5dbc506122637421709bf36400492b0e1b73c3. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/PLA169728503.
  date published: 2026-07-31T06:58:00Z
audio: Cello Concerto in C Minor (spuriously attrib. to Johann Christian Bach): III. Allegro molto energico
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: PLA169728503
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA169728503
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960362
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00+00:00
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

Hickory and Twine
type: MusicRecording
duration: PT5M57S
duration ms: 357093
explicit: false
by artist: Alan Baylock
by artist: United States Air Force Airmen of Note
by artist: StudioConductor
in album: Compositions
  type: MusicAlbum
  date published: 2013-05-07
isrc code: USA5R1319909
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: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/USA5R1319909
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ffacaa9ff8fe5ecfc0a9d609932c3e0524dba88b4b12b66d5feebc35d943c3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USA5R1319909.
  date published: 2026-07-08T03:22:41Z
audio: Hickory and Twine
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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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
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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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  additional property: Key Name
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  additional property: Mode Name
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Intensities in Ten Cities
type: MusicRecording
duration: PT7M33S
duration ms: 453133
explicit: false
by artist: Alan Baylock
by artist: United States Air Force Airmen of Note
by artist: StudioConductor
in album: Compositions
  type: MusicAlbum
  date published: 2013-05-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62f0b239e0c932b7dd65733e2aa493124c1319aa9a548a554652d08e677512fb. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/USA5R1319901.
  date published: 2026-07-30T08:30:10Z
audio: Intensities in Ten Cities
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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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
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  additional property: Danceability
    type: PropertyValue
    value: 0.47
  additional property: Energy
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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
    type: PropertyValue
    value: 0.364
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.56
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.552
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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isrc code: USA5R1319901
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
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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

Everyday Adventures
type: MusicRecording
duration: PT8M15S
duration ms: 495080
explicit: false
by artist: Ben Patterson
by artist: United States Air Force Airmen of Note
by artist: StudioConductor
in album: Compositions
  type: MusicAlbum
  date published: 2013-05-07
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa213bcc323e6a128d602340ba24acecd9cd180e90a37d135653cc1bb02a4891a. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USA5R1319910.
  date published: 2026-07-31T19:53:13Z
audio: Everyday Adventures
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.198
  additional property: Musical Key
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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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    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.827
  additional property: Instrumentalness
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  additional property: Liveness
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    value: 0.647
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.437
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.087
  additional property: Key Name
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    value: F
  additional property: Mode Name
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isrc code: USA5R1319910
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
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  value: 960455
additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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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

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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value: 2026-07-07T16:35:57+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x395e4d3db1675d6e279bb0c0dd6e68f06561772261155f20f0694c32601dae39

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEL111300371

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x395e4d3db1675d6e279bb0c0dd6e68f06561772261155f20f0694c32601dae39. 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/DEL111300371.
date published: 2026-07-08T03:20:19Z

Sophienlund: Mit Musik geht alles besser
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
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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
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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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additional property: Key Name
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additional property: Mode Name
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History of German Film Music, Vol. 4: Es leuchten die Sterne (The stars are gleaming) (1937-1938)
type: MusicAlbum
date published: 2013-01-29
track: Der Mann, der Sherlock Holmes war: Jawohl, meine Herr'n
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177106
  explicit: false
  by artist: Hans Sommer
  by artist: Heinz Rühmann
  by artist: Hans Albers
  by artist: Studio Orchestra
  in album: History of German Film Music, Vol. 4: Es leuchten die Sterne (The stars are gleaming) (1937-1938)
    type: MusicAlbum
    date published: 2013-01-29
  popularity: 4
  genre: indorock
  isrc code: DEL111200140
  additional property: CopyrightID
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    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-07T07:23:15+00:00
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Icons of German Cinema: Zarah Leander in Stockholm, Vol. 1 (1930-1953)
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Opera 125 (Stars of the Hungarian Opera, Vol. 1/4, 1884-2009)
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History of German Film Music, Vol. 6: We Make Music (1940-1942)
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Highlights of German Cinema: Lizzi Waldmüller (1930-1942)
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Die Goldene Ara Deutscher Vokalensembles (Recorded 1931-1941)
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History of German film music, Vol. 8: Tanzende Sterne - Dancing Stars
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History of German film music, Vol. 5: We Dance Around the World (1938-1940)
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Immortal Voices Of German Radio: Rosita Serrano, Vol. 1 (Legendary Recordings 1938-1950)
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Játszom a trombitával (György Geiger)
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The Richard Tauber Collection, Vol. 3: Songs from American and British Films, Musicals and Operetta (1935-1947)
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Wagner in Stockholm: Recordings 1899-1970
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Verdissimo II: Great Singers for Verdi, Vol. 4 (1911-1948)
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Singers of the Century: Tito Schipa in Spain and South America (1925-1934)
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Beniamino Gigli, Vol. 1 (1918-1923)
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The Richard Tauber Collection: Vol. 13: Popular English Songs and Ballads II (Recordings 1932-1938)
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Dame Clara Butt
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Beniamo Gigli, Vol 2
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Il mito dell'opera: Giacomo Lauri-Volpi
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Paul Robeson: Symposium
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Jacques Urlus
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Il mito dell'opera: William Matteuzzi (1980-1999)
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Il mito dell'opera: Giuseppe Danise (Recorded 1917-1931)
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Il Mito dell'Opera
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Adam Klocek
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The Richard Tauber Collection: Vol. 9 - Early Opera Scenes II
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Leonard Bernstein: Historic Broadcasts, 1946-1961
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Compositions
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Szymon Goldberg: Non-Commercial Recordings, Vol. 1
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  audio: Violin Concerto in A Minor, BWV 1041: III. Allegro assai
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Verdissimo II: Great Singers for Verdi Vol. 1
type: MusicAlbum
date published: 2013-02-01

The Richard Tauber Collection
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date published: 2013-01-29