Agnes Mester
type: MusicGroup
genre: choral
genre: classical
popularity: 18
followers: 5
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b5792e7b449a3eb91e1343b6d87254a3a2f22f1dc3970784aa0617b697caba5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953614
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953614
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/175826d8-7a37-424d-9273-977af2662ff2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/175826d8-7a37-424d-9273-977af2662ff2.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/175826d8-7a37-424d-9273-977af2662ff2
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b5792e7b449a3eb91e1343b6d87254a3a2f22f1dc3970784aa0617b697caba5. Chain 2 (Bitcoin): anchored in block 953614 (2026-06-14T08:40:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/175826d8-7a37-424d-9273-977af2662ff2.json and https://artists.proofprofile.net/proofs/artist/175826d8-7a37-424d-9273-977af2662ff2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T08:40:32Z
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track: St. Matthew Passion, BWV 244: No. 1 Chor mit Choral: Kommt, ihr Tochter, helft mir klagen!
  type: MusicRecording
  duration: PT7M34S
  duration ms: 454226
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Istvan Gati
  by artist: Peter Koves
  by artist: Agnes Mester
  by artist: Jozsef Mukk
  by artist: Judit Nemeth
  by artist: Janos Remenyi
  by artist: Ibolya Verebics
  by artist: Hungarian Festival Chorus
  by artist: Hungarian Radio Children's Choir
  by artist: Hungarian State Symphony Orchestra
  by artist: Géza Oberfrank
  in album: Bach, J.S.: St. Matthew Passion
    type: MusicAlbum
    date published: 1993-12-14
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: HKI199279901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:42:34+00:00
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    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x587b4b173cc10070518803dd25471fc8c01eb491febe52bcb0fedbc17ee4d188
  additional property: OTSHash
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    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/HKI199279901
  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 0x587b4b173cc10070518803dd25471fc8c01eb491febe52bcb0fedbc17ee4d188. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279901.
    date published: 2026-07-02T03:55:08Z
  audio: St. Matthew Passion, BWV 244: No. 1 Chor mit Choral: Kommt, ihr Tochter, helft mir klagen!
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    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.67
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.77
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: St. Matthew Passion, BWV 244: No. 2 Rezitativ: Da Jesus diese Rede vollendet hatte
  type: MusicRecording
  duration: PT0M33S
  duration ms: 33906
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Istvan Gati
  by artist: Peter Koves
  by artist: Agnes Mester
  by artist: Jozsef Mukk
  by artist: Judit Nemeth
  by artist: Janos Remenyi
  by artist: Ibolya Verebics
  by artist: Hungarian Festival Chorus
  by artist: Hungarian Radio Children's Choir
  by artist: Hungarian State Symphony Orchestra
  by artist: Géza Oberfrank
  in album: Bach, J.S.: St. Matthew Passion
    type: MusicAlbum
    date published: 1993-12-14
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: HKI199279902
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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    type: PropertyValue
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    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9fa87e780de5ffb6e1865c58ac440b720defe047fb84a5195acbd8b6348edd79
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957064
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279902
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T16:43:08Z
  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 0x9fa87e780de5ffb6e1865c58ac440b720defe047fb84a5195acbd8b6348edd79. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279902.
    date published: 2026-07-07T16:43:08Z
  audio: St. Matthew Passion, BWV 244: No. 2 Rezitativ: Da Jesus diese Rede vollendet hatte
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    additional property: Tempo (BPM)
    additional property: Musical Key
    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)
    additional property: Key Name
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track: St. Matthew Passion, BWV 244: No. 3 Choral: Herzliebster Jesu, was hast du verbrochen
track: St. Matthew Passion, BWV 244: No. 4 Rezitativ und Chor: Da versammleten sich die Hohenpriester
track: St. Matthew Passion, BWV 244: No. 5 Rezitativ (Alt): Du lieber Heiland du
track: St. Matthew Passion, BWV 244: No. 6 Arie (Alt): Buss' und Reu'
track: St. Matthew Passion, BWV 244: No. 7 Rezitativ: Da ging hin der Zwolfen einer
track: St. Matthew Passion, BWV 244: No. 8 Arie (Sopran): Blute nur, du liebes Herz!
track: St. Matthew Passion, BWV 244: No. 9 Rezitativ und Chor: Aber am ersten Tage der sussen Brot
track: St. Matthew Passion, BWV 244: No. 10 Choral: Ich bin's, ich sollte bussen
track: St. Matthew Passion, BWV 244: No. 11 Rezitativ: Er antwortete und sprach
track: St. Matthew Passion, BWV 244: No. 12 Rezitativ (Sopran): Wiewohl mein Herz in Tranen schwimmt
track: St. Matthew Passion, BWV 244: No. 13 Arie (Sopran): Ich will dir mein Herze schenken
track: St. Matthew Passion, BWV 244: No. 14 Rezitativ: Und da sie den Lobgesang gesprochen hatten
track: St. Matthew Passion, BWV 244: No. 15 Choral: Erkenne mich, mein Huter
track: St. Matthew Passion, BWV 244: No. 16 Rezitativ: Petrus aber antwortete und sprach zu ihm
track: St. Matthew Passion, BWV 244: No. 17 Choral: Ich will hier bei dir stehen
track: St. Matthew Passion, BWV 244: No. 18 Rezitativ: Da kam Jesus mit ihnen zu einem Hofe
track: St. Matthew Passion, BWV 244: No. 19 Rezitativ (Tenor) mit Choral: O Schmerz!
track: St. Matthew Passion, BWV 244: No. 20 Arie (Tenor) mit Chor: Ich will bei meinem Jesu wachen

Tempo (BPM)
type: PropertyValue
value: 105.47

Musical Key
type: PropertyValue
value: 7

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

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.35

Energy
type: PropertyValue
value: 0.11

Speechiness
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value: 0.056

Acousticness
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value: 0.934

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.167

Valence (Positivity)
type: PropertyValue
value: 0.403

Loudness (dB)
type: PropertyValue
value: -25.892

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

St. Matthew Passion, BWV 244: No. 3 Choral: Herzliebster Jesu, was hast du verbrochen
type: MusicRecording
duration: PT0M47S
duration ms: 47333
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279903
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:36:20+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x9f3274b204080a5dbfb2fc81fd6fb7d6702ee8911e5a0cd03937430c7e6aca23
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/HKI199279903
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 0x9f3274b204080a5dbfb2fc81fd6fb7d6702ee8911e5a0cd03937430c7e6aca23. 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/HKI199279903.
  date published: 2026-07-08T03:20:19Z
audio: St. Matthew Passion, BWV 244: No. 3 Choral: Herzliebster Jesu, was hast du verbrochen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.143
  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
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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St. Matthew Passion, BWV 244: No. 4 Rezitativ und Chor: Da versammleten sich die Hohenpriester
type: MusicRecording
duration: PT2M49S
duration ms: 169400
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279904
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:59:54+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279904
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
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 0xc1bcbaa86905c7ccadd43b5c37e0b674ad88debe79d47770ac5cc3c7fe5db1d3. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/HKI199279904.
  date published: 2026-07-07T14:50:41Z
audio: St. Matthew Passion, BWV 244: No. 4 Rezitativ und Chor: Da versammleten sich die Hohenpriester
  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: Loudness (dB)
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St. Matthew Passion, BWV 244: No. 5 Rezitativ (Alt): Du lieber Heiland du
type: MusicRecording
duration: PT0M40S
duration ms: 40026
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279905
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T06:35:46+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960218
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279905
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:57:05Z
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 0x7c0e438f5305e03c71a60c79f998b8b55ef9ab20d0f07d6a144cefff20dff9f5. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279905.
  date published: 2026-07-30T06:57:05Z
audio: St. Matthew Passion, BWV 244: No. 5 Rezitativ (Alt): Du lieber Heiland du
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.351
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.336
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.346
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.593
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.49
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

St. Matthew Passion, BWV 244: No. 6 Arie (Alt): Buss' und Reu'
type: MusicRecording
duration: PT4M14S
duration ms: 254666
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279906
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T12:47:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4fbcb129f3cfd546b3397d70b2f63f11f9aab41ad3966fe027586f0d695f4a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960108
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960108
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279906
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35Z
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 0xe4fbcb129f3cfd546b3397d70b2f63f11f9aab41ad3966fe027586f0d695f4a5. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279906.
  date published: 2026-07-29T13:09:35Z
audio: St. Matthew Passion, BWV 244: No. 6 Arie (Alt): Buss' und Reu'
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.936
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.408
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.313
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.85
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

St. Matthew Passion, BWV 244: No. 7 Rezitativ: Da ging hin der Zwolfen einer
type: MusicRecording
duration: PT0M30S
duration ms: 30000
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:30:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x127b082bf56b3b4488d52b18443a8ed1aa40dba532133cfd81041896b0a2df05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279907
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0x127b082bf56b3b4488d52b18443a8ed1aa40dba532133cfd81041896b0a2df05. 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/HKI199279907.
  date published: 2026-07-08T03:22:41Z
audio: St. Matthew Passion, BWV 244: No. 7 Rezitativ: Da ging hin der Zwolfen einer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.803
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.486
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.1
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.526
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.781
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

St. Matthew Passion, BWV 244: No. 8 Arie (Sopran): Blute nur, du liebes Herz!
type: MusicRecording
duration: PT4M47S
duration ms: 287466
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279908
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T02:17:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7df887404296bb192d251723a1f861f2305115a443e602e4e5821ec91428d150
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960199
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960199
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279908
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:30:29Z
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 0x7df887404296bb192d251723a1f861f2305115a443e602e4e5821ec91428d150. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/HKI199279908.
  date published: 2026-07-30T02:30:29Z
audio: St. Matthew Passion, BWV 244: No. 8 Arie (Sopran): Blute nur, du liebes Herz!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.128
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.551
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.431
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
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St. Matthew Passion, BWV 244: No. 9 Rezitativ und Chor: Aber am ersten Tage der sussen Brot
type: MusicRecording
duration: PT1M48S
duration ms: 108600
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279909
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:13:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf112593149603b923861f6f71fe1a84abbb6b7b11e7438afe2eb2a5ab33411fe
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/HKI199279909
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 0xf112593149603b923861f6f71fe1a84abbb6b7b11e7438afe2eb2a5ab33411fe. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279909.
  date published: 2026-07-30T09:57:33Z
audio: St. Matthew Passion, BWV 244: No. 9 Rezitativ und Chor: Aber am ersten Tage der sussen Brot
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.249
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.426
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.608
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.166
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.173
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 10 Choral: Ich bin's, ich sollte bussen
type: MusicRecording
duration: PT0M50S
duration ms: 50933
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:53:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9122ad75d246eada2bb1db610755b5875e5e8c461613bc5f2277c2b3a3c71388
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/HKI199279910
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 0x9122ad75d246eada2bb1db610755b5875e5e8c461613bc5f2277c2b3a3c71388. 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/HKI199279910.
  date published: 2026-07-08T03:20:19Z
audio: St. Matthew Passion, BWV 244: No. 10 Choral: Ich bin's, ich sollte bussen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.158
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.15
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.831
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.283
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.682
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 11 Rezitativ: Er antwortete und sprach
type: MusicRecording
duration: PT2M44S
duration ms: 164573
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279911
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:58:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74fba4e34d191868e6cdc5b3f8181e382d20d7cb62bdb1133ddf3eff442f788c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960247
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279911
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33Z
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 0x74fba4e34d191868e6cdc5b3f8181e382d20d7cb62bdb1133ddf3eff442f788c. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279911.
  date published: 2026-07-30T10:42:33Z
audio: St. Matthew Passion, BWV 244: No. 11 Rezitativ: Er antwortete und sprach
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 106.781
  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: 0.298
  additional property: Energy
    type: PropertyValue
    value: 0.157
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.34
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.263
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.939
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 12 Rezitativ (Sopran): Wiewohl mein Herz in Tranen schwimmt
type: MusicRecording
duration: PT1M14S
duration ms: 74533
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279912
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:27:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58b63feab2a10035e19f9891710ce4364c44e3600a9bb6b263aeaf359b0658fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279912
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b63feab2a10035e19f9891710ce4364c44e3600a9bb6b263aeaf359b0658fa. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279912.
  date published: 2026-07-31T02:19:15Z
audio: St. Matthew Passion, BWV 244: No. 12 Rezitativ (Sopran): Wiewohl mein Herz in Tranen schwimmt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.203
  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: 0.238
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.58
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.267
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 13 Arie (Sopran): Ich will dir mein Herze schenken
type: MusicRecording
duration: PT3M39S
duration ms: 219093
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279913
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:37:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46baf8bc6b83abce357eb7c490714ec5afb988aac586eca5d5558be9dc095486
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279913
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46baf8bc6b83abce357eb7c490714ec5afb988aac586eca5d5558be9dc095486. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279913.
  date published: 2026-07-31T02:19:15Z
audio: St. Matthew Passion, BWV 244: No. 13 Arie (Sopran): Ich will dir mein Herze schenken
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.301
  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: 0.36
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.031
  additional property: Liveness
    type: PropertyValue
    value: 0.193
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.257
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.506
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 14 Rezitativ: Und da sie den Lobgesang gesprochen hatten
type: MusicRecording
duration: PT0M56S
duration ms: 56573
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279914
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T08:18:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x09e9b2eada91eefd0c235dc62be16b7d892c069bfd2d970ac6393ef1cce3e0d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960229
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960229
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199279914
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T08:30:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09e9b2eada91eefd0c235dc62be16b7d892c069bfd2d970ac6393ef1cce3e0d4. 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/HKI199279914.
  date published: 2026-07-30T08:30:10Z
audio: St. Matthew Passion, BWV 244: No. 14 Rezitativ: Und da sie den Lobgesang gesprochen hatten
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.998
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.314
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.152
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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St. Matthew Passion, BWV 244: No. 15 Choral: Erkenne mich, mein Huter
type: MusicRecording
duration: PT0M59S
duration ms: 59666
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279915
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:34:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8fa84f263ad50725f43a482a627dca5f98c12ef8d6a673705165ee3430d3ce6
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/HKI199279915
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 0xa8fa84f263ad50725f43a482a627dca5f98c12ef8d6a673705165ee3430d3ce6. 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/HKI199279915.
  date published: 2026-07-08T03:20:19Z
audio: St. Matthew Passion, BWV 244: No. 15 Choral: Erkenne mich, mein Huter
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.869
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.205
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.596
  additional property: Liveness
    type: PropertyValue
    value: 0.295
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.265
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.643
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 16 Rezitativ: Petrus aber antwortete und sprach zu ihm
type: MusicRecording
duration: PT1M1S
duration ms: 61600
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279916
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:31:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa578d951c890342d843926791efbddb86dd4c7cb25b919a61598e4479d1f2e64
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/HKI199279916
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 0xa578d951c890342d843926791efbddb86dd4c7cb25b919a61598e4479d1f2e64. 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/HKI199279916.
  date published: 2026-07-08T03:20:19Z
audio: St. Matthew Passion, BWV 244: No. 16 Rezitativ: Petrus aber antwortete und sprach zu ihm
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 81.828
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.164
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.369
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

St. Matthew Passion, BWV 244: No. 17 Choral: Ich will hier bei dir stehen
type: MusicRecording
duration: PT1M8S
duration ms: 68266
explicit: false
by artist: Johann Sebastian Bach
by artist: Istvan Gati
by artist: Peter Koves
by artist: Agnes Mester
by artist: Jozsef Mukk
by artist: Judit Nemeth
by artist: Janos Remenyi
by artist: Ibolya Verebics
by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
in album: Bach, J.S.: St. Matthew Passion
  type: MusicAlbum
  date published: 1993-12-14
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: HKI199279917
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:52:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59b1160248fa1b2fb18d3970f3fb4361f84c17be4a23ec83eefe4691fbc4d31d
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/HKI199279917
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
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St. Matthew Passion, BWV 244: No. 18 Rezitativ: Da kam Jesus mit ihnen zu einem Hofe
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by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
by artist: Géza Oberfrank
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T14:53:07Z
audio: St. Matthew Passion, BWV 244: No. 18 Rezitativ: Da kam Jesus mit ihnen zu einem Hofe
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St. Matthew Passion, BWV 244: No. 19 Rezitativ (Tenor) mit Choral: O Schmerz!
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by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T19:11:09Z
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St. Matthew Passion, BWV 244: No. 20 Arie (Tenor) mit Chor: Ich will bei meinem Jesu wachen
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by artist: Jozsef Mukk
by artist: Judit Nemeth
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by artist: Hungarian Festival Chorus
by artist: Hungarian Radio Children's Choir
by artist: Hungarian State Symphony Orchestra
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genre: classical-piano
genre: early-music
genre: baroque
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:37:10Z
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