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type: MusicGroup
genre: choral
genre: requiem
popularity: 21
followers: 43
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3a2221fb58185f12d3f91266a282ab502969db5f48919249df7c92d03209073
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f0b9fbd3-83c6-407d-a81a-90ded46d9ef4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f0b9fbd3-83c6-407d-a81a-90ded46d9ef4.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f0b9fbd3-83c6-407d-a81a-90ded46d9ef4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc3a2221fb58185f12d3f91266a282ab502969db5f48919249df7c92d03209073","name":"Raimund Minarschik","registered_at":"2026-06-12T13:21:38Z","symbol":"NIM0310186","token_address":"0x59edbc6eb7e791679ea52c9b1603c45fc9d04b94","type":"artist","uuid":"f0b9fbd3-83c6-407d-a81a-90ded46d9ef4"}
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 0xc3a2221fb58185f12d3f91266a282ab502969db5f48919249df7c92d03209073. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0b9fbd3-83c6-407d-a81a-90ded46d9ef4.json and https://artists.proofprofile.net/proofs/artist/f0b9fbd3-83c6-407d-a81a-90ded46d9ef4.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
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album: Schubert: Masses Nos. 2 And 4/Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
track: Mass No. 4 in C Major, Op. 48, D. 452: Kyrie
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135160
  explicit: false
  by artist: Franz Schubert
  by artist: Claudia Reinhard
  by artist: Christine Wehler
  by artist: Raimund Minarschik
  by artist: Tobias Berndt
  by artist: Immortal Bach Ensemble
  by artist: Leipzig Chamber Orchestra
  by artist: Morten Schuldt-Jensen
  in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
    type: MusicAlbum
    date published: 2009-11-17
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: HKI190891701
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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    type: PropertyValue
    value: 2026-06-23T09:52:10+00:00
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    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x00a4a07a8af7d5cb9478cf327ee9d518e4a1d54090bf6e99670ff71ba5b98d5a
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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/HKI190891701
  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 0x00a4a07a8af7d5cb9478cf327ee9d518e4a1d54090bf6e99670ff71ba5b98d5a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891701 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Mass No. 4 in C Major, Op. 48, D. 452: Kyrie
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track: Mass No. 4 in C Major, Op. 48, D. 452: Gloria
  type: MusicRecording
  duration: PT3M47S
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  by artist: Franz Schubert
  by artist: Claudia Reinhard
  by artist: Christine Wehler
  by artist: Raimund Minarschik
  by artist: Tobias Berndt
  by artist: Immortal Bach Ensemble
  by artist: Leipzig Chamber Orchestra
  by artist: Morten Schuldt-Jensen
  in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
    type: MusicAlbum
    date published: 2009-11-17
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: HKI190891702
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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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/HKI190891702
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T19:35:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f5988946f51c1d0d9c77240bc814a3b6448393ce328f61dddcb6c6caee7129e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891702 — a six-check JSON result.
    date published: 2026-07-29T19:35:34Z
  audio: Mass No. 4 in C Major, Op. 48, D. 452: Gloria
    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: Danceability
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
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track: Mass No. 4 in C Major, Op. 48, D. 452: Credo: Credo in unum Deum
track: Mass No. 4 in C Major, Op. 48, D. 452: Credo: Et incarnatus est
track: Mass No. 4 in C Major, Op. 48, D. 452: Credo: Et resurrexit
track: Mass No. 4 in C Major, Op. 48, D. 452: Sanctus: Sanctus, sanctus, sanctus
track: Mass No. 4 in C Major, Op. 48, D. 452: Sanctus: Osanna in excelsis
track: Mass No. 4 in C Major, Op. 48, D. 452: Benedictus
track: Mass No. 4 in C Major, Op. 48, D. 452: Agnus Dei: Agnus Dei
track: Mass No. 4 in C Major, Op. 48, D. 452: Agnus Dei: Dona nobis pacem
track: Mass No. 6 in E-Flat Major, D. 950: Kyrie
track: Mass No. 6 in E-Flat Major, D. 950: Gloria: Gloria in excelsis Deo
track: Mass No. 6 in E-Flat Major, D. 950: Gloria: Domine Deus
track: Mass No. 6 in E-Flat Major, D. 950: Gloria: Quoniam tu solus sanctus
track: Mass No. 6 in E-Flat Major, D. 950: Gloria: Cum Sancto Spiritu
track: Mass No. 6 in E-Flat Major, D. 950: Credo: Credo in unum Deum
track: Mass No. 6 in E-Flat Major, D. 950: Credo: Et incarnatus est
track: Mass No. 6 in E-Flat Major, D. 950: Credo: Et resurrexit

Danceability
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value: 0.297

Energy
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value: 0.128

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Instrumentalness
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value: 0.516

Liveness
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Valence (Positivity)
type: PropertyValue
value: 0.129

Loudness (dB)
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value: -21.556

Key Name
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Mode Name
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Mass No. 4 in C Major, Op. 48, D. 452: Credo: Credo in unum Deum
type: MusicRecording
duration: PT1M22S
duration ms: 82840
explicit: false
by artist: Franz Schubert
by artist: Claudia Reinhard
by artist: Christine Wehler
by artist: Raimund Minarschik
by artist: Tobias Berndt
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190891703
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:38:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfeb248c0a94b58b06cde329f8dcd61da1c598c2602b585451244bd2aae17454c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957032
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891703
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T11:43:09Z
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 0xfeb248c0a94b58b06cde329f8dcd61da1c598c2602b585451244bd2aae17454c. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891703 — a six-check JSON result.
  date published: 2026-07-07T11:43:09Z
audio: Mass No. 4 in C Major, Op. 48, D. 452: Credo: Credo in unum Deum
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Danceability
    type: PropertyValue
    value: 0.45
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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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)
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Mass No. 4 in C Major, Op. 48, D. 452: Credo: Et incarnatus est
type: MusicRecording
duration: PT1M23S
duration ms: 83813
explicit: false
by artist: Franz Schubert
by artist: Claudia Reinhard
by artist: Christine Wehler
by artist: Raimund Minarschik
by artist: Tobias Berndt
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190891704
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:55:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a41f2fc6f4ad76c488f3b157c1b8aacb0b6b260df7bdd9d1e1c4f949495c032
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/HKI190891704
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 0x8a41f2fc6f4ad76c488f3b157c1b8aacb0b6b260df7bdd9d1e1c4f949495c032. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891704 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Mass No. 4 in C Major, Op. 48, D. 452: Credo: Et incarnatus est
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  additional property: Tempo (BPM)
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  additional property: Danceability
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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
    type: PropertyValue
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  additional property: Valence (Positivity)
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Mass No. 4 in C Major, Op. 48, D. 452: Credo: Et resurrexit
type: MusicRecording
duration: PT1M51S
duration ms: 111026
explicit: false
by artist: Franz Schubert
by artist: Claudia Reinhard
by artist: Christine Wehler
by artist: Raimund Minarschik
by artist: Tobias Berndt
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190891705
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-29T18:59:12+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x75b5c31dee587700fd712705c438dbc2b4acdd090d13ad45f285a1ae61e0f24c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891705
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b5c31dee587700fd712705c438dbc2b4acdd090d13ad45f285a1ae61e0f24c. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891705 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Mass No. 4 in C Major, Op. 48, D. 452: Credo: Et resurrexit
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    value: -19.572
  additional property: Key Name
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    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 4 in C Major, Op. 48, D. 452: Sanctus: Sanctus, sanctus, sanctus
type: MusicRecording
duration: PT0M37S
duration ms: 37146
explicit: false
by artist: Franz Schubert
by artist: Claudia Reinhard
by artist: Christine Wehler
by artist: Raimund Minarschik
by artist: Tobias Berndt
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190891706
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T19:41:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f955dccc919b40b3a4510bcaaf838a2da79cad5ebf8f7fd03b729434cf3bbdc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891706
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:09:47Z
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 0x3f955dccc919b40b3a4510bcaaf838a2da79cad5ebf8f7fd03b729434cf3bbdc. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891706 — a six-check JSON result.
  date published: 2026-07-29T21:09:47Z
audio: Mass No. 4 in C Major, Op. 48, D. 452: Sanctus: Sanctus, sanctus, sanctus
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  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
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  additional property: Valence (Positivity)
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    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.931
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  additional property: Mode Name
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Mass No. 4 in C Major, Op. 48, D. 452: Sanctus: Osanna in excelsis
type: MusicRecording
duration: PT0M44S
duration ms: 44253
explicit: false
by artist: Franz Schubert
by artist: Claudia Reinhard
by artist: Christine Wehler
by artist: Raimund Minarschik
by artist: Tobias Berndt
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190891707
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T14:46:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe575382810c6b12ceaf43306710cb69860e254aa1a76fefaaf059bb8ccc4fa19
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960121
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891707
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T15:22:21Z
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 0xe575382810c6b12ceaf43306710cb69860e254aa1a76fefaaf059bb8ccc4fa19. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891707 — a six-check JSON result.
  date published: 2026-07-29T15:22:21Z
audio: Mass No. 4 in C Major, Op. 48, D. 452: Sanctus: Osanna in excelsis
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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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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    value: 0.112
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.862
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 4 in C Major, Op. 48, D. 452: Benedictus
type: MusicRecording
duration: PT2M57S
duration ms: 177853
explicit: false
by artist: Franz Schubert
by artist: Claudia Reinhard
by artist: Christine Wehler
by artist: Raimund Minarschik
by artist: Tobias Berndt
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190891708
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:54:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1286cba325f3eaac9ea1df161ae72ce577423fe60e72c008cb19a27298af09bb
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957020
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891708
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T09:18:01Z
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 0x1286cba325f3eaac9ea1df161ae72ce577423fe60e72c008cb19a27298af09bb. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891708 — a six-check JSON result.
  date published: 2026-07-07T09:18:01Z
audio: Mass No. 4 in C Major, Op. 48, D. 452: Benedictus
  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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    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.288
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.366
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.185
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.047
  additional property: Key Name
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    value: C
  additional property: Mode Name
    type: PropertyValue
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Mass No. 4 in C Major, Op. 48, D. 452: Agnus Dei: Agnus Dei
type: MusicRecording
duration: PT1M44S
duration ms: 104040
explicit: false
by artist: Franz Schubert
by artist: Claudia Reinhard
by artist: Christine Wehler
by artist: Raimund Minarschik
by artist: Tobias Berndt
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190891709
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:11:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd124ce7399bba31232c90e1eb90e1fa385bfca2b8b70b9eb23c01e05059ad107
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/HKI190891709
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 0xd124ce7399bba31232c90e1eb90e1fa385bfca2b8b70b9eb23c01e05059ad107. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891709 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Mass No. 4 in C Major, Op. 48, D. 452: Agnus Dei: Agnus Dei
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 105.398
  additional property: Musical Key
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    value: 5
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.138
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.861
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.072
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.082
  additional property: Key Name
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    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 4 in C Major, Op. 48, D. 452: Agnus Dei: Dona nobis pacem
type: MusicRecording
duration: PT1M57S
duration ms: 117093
explicit: false
by artist: Franz Schubert
by artist: Claudia Reinhard
by artist: Christine Wehler
by artist: Raimund Minarschik
by artist: Tobias Berndt
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert, F.: Masses Nos. 2 and 4 / Deutsche Messe
  type: MusicAlbum
  date published: 2009-11-17
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190891710
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:17:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51af51dc3ce6a8d935e042de05fbf5d31aefac5660dcb19219cbd1da7c8c2938
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891710
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
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 0x51af51dc3ce6a8d935e042de05fbf5d31aefac5660dcb19219cbd1da7c8c2938. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190891710 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: Mass No. 4 in C Major, Op. 48, D. 452: Agnus Dei: Dona nobis pacem
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.935
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.391
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.478
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mass No. 6 in E-Flat Major, D. 950: Kyrie
type: MusicRecording
duration: PT5M1S
duration ms: 301253
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T12:22:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83bab14f238ade1cc6dc00e6e0b11d15d90d0415faeb78d583b31bd266832f30
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/HKI190730201
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 0x83bab14f238ade1cc6dc00e6e0b11d15d90d0415faeb78d583b31bd266832f30. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730201 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Mass No. 6 in E-Flat Major, D. 950: Kyrie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.155
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.116
  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
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.115
  additional property: Key Name
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  additional property: Mode Name
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Mass No. 6 in E-Flat Major, D. 950: Gloria: Gloria in excelsis Deo
type: MusicRecording
duration: PT3M33S
duration ms: 213880
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:35:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1c991f96443bb727de53ed958b1498cf6757b07d9402fd6410a3c3ae684758d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730202
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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 0xc1c991f96443bb727de53ed958b1498cf6757b07d9402fd6410a3c3ae684758d. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730202 — a six-check JSON result.
  date published: 2026-07-07T18:39:05Z
audio: Mass No. 6 in E-Flat Major, D. 950: Gloria: Gloria in excelsis Deo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.703
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.324
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.291
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.07
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.211
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Gloria: Domine Deus
type: MusicRecording
duration: PT3M38S
duration ms: 218013
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T15:45:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaea8777527e25c3299f5a6580ce611e8e30a041fa4a3c9b78c92f498fcb6bf47
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730203
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaea8777527e25c3299f5a6580ce611e8e30a041fa4a3c9b78c92f498fcb6bf47. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730203 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Mass No. 6 in E-Flat Major, D. 950: Gloria: Domine Deus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.686
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.159
  additional property: Energy
    type: PropertyValue
    value: 0.048
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.786
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.427
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Gloria: Quoniam tu solus sanctus
type: MusicRecording
duration: PT0M47S
duration ms: 47240
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730204
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T15:56:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc08e79d0f2cf3762362dd27ee2eb90aba221dcc7a76eaa4ab1b2221a58557f83
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960277
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960277
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730204
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:10:47Z
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 0xc08e79d0f2cf3762362dd27ee2eb90aba221dcc7a76eaa4ab1b2221a58557f83. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730204 — a six-check JSON result.
  date published: 2026-07-30T16:10:47Z
audio: Mass No. 6 in E-Flat Major, D. 950: Gloria: Quoniam tu solus sanctus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.572
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.117
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.287
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.838
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Gloria: Cum Sancto Spiritu
type: MusicRecording
duration: PT3M36S
duration ms: 216733
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730205
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:53:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41bf254e00be04183516055d062c9fd9e52e1525db5a795e66ce876e5d4805c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957020
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957020
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730205
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T09:18:01Z
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 0x41bf254e00be04183516055d062c9fd9e52e1525db5a795e66ce876e5d4805c7. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730205 — a six-check JSON result.
  date published: 2026-07-07T09:18:01Z
audio: Mass No. 6 in E-Flat Major, D. 950: Gloria: Cum Sancto Spiritu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.272
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.394
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.817
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.799
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Credo: Credo in unum Deum
type: MusicRecording
duration: PT2M26S
duration ms: 146453
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T13:36:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaddc5795f261be0d891a90400b864c0ef49e177ee0a659da22e5916ceb0ed41e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959137
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959137
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730206
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T14:03:35Z
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 0xaddc5795f261be0d891a90400b864c0ef49e177ee0a659da22e5916ceb0ed41e. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730206 — a six-check JSON result.
  date published: 2026-07-22T14:03:35Z
audio: Mass No. 6 in E-Flat Major, D. 950: Credo: Credo in unum Deum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0.048
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.303
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.361
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Credo: Et incarnatus est
type: MusicRecording
duration: PT5M30S
duration ms: 330026
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730207
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:06:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdaeaa1893712d3cae227aef689580778dcf4c66fb83fbcfaa3cde6e09d2f6b8b
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/HKI190730207
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 0xdaeaa1893712d3cae227aef689580778dcf4c66fb83fbcfaa3cde6e09d2f6b8b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730207 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Mass No. 6 in E-Flat Major, D. 950: Credo: Et incarnatus est
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.188
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.152
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.514
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 6 in E-Flat Major, D. 950: Credo: Et resurrexit
type: MusicRecording
duration: PT5M57S
duration ms: 357173
explicit: false
by artist: Franz Schubert
by artist: Birte Kulawik
by artist: Dorothea Craxton
by artist: Cornelia Rosenthal
by artist: Raimund Minarschik
by artist: Rolf Ehlers
by artist: Klaus Schredl
by artist: Immortal Bach Ensemble
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
in album: Schubert: Mass No. 6 in E-Flat Major / Stabat Mater
  type: MusicAlbum
  date published: 2008-02-26
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: HKI190730208
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:24:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa29a9679628556a9e6fe176cec801be3c397af787abc42e70bc4570841fbddf4
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/HKI190730208
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 0xa29a9679628556a9e6fe176cec801be3c397af787abc42e70bc4570841fbddf4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190730208 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Mass No. 6 in E-Flat Major, D. 950: Credo: Et resurrexit
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.258
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.803
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.457
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major