Orquesta de Cámara de Berlín
type: MusicGroup
popularity: 10
followers: 95
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2e8980d2ad70c24b442f33539971e242998c05c57242ab548a2a0bd19d4ad36
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e5064c67-c5a8-4ffd-859f-69bafabe1a8d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e5064c67-c5a8-4ffd-859f-69bafabe1a8d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e5064c67-c5a8-4ffd-859f-69bafabe1a8d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb2e8980d2ad70c24b442f33539971e242998c05c57242ab548a2a0bd19d4ad36","name":"Orquesta de Cámara de Berlín","registered_at":"2026-06-21T08:22:33Z","symbol":"NIM1869983","token_address":"0xbcf5e37bcfe799ae336dbe2912726b40a43918ab","type":"artist","uuid":"e5064c67-c5a8-4ffd-859f-69bafabe1a8d"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2e8980d2ad70c24b442f33539971e242998c05c57242ab548a2a0bd19d4ad36. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e5064c67-c5a8-4ffd-859f-69bafabe1a8d.json and https://artists.proofprofile.net/proofs/artist/e5064c67-c5a8-4ffd-859f-69bafabe1a8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0xb2e8980d2ad70c24b442f33539971e242998c05c57242ab548a2a0bd19d4ad36","name":"Orquesta de Cámara de Berlín","registered_at":"2026-06-21T08:22:33Z","symbol":"NIM1869983","token_address":"0xbcf5e37bcfe799ae336dbe2912726b40a43918ab","type":"artist","uuid":"e5064c67-c5a8-4ffd-859f-69bafabe1a8d"}
album: Bach: La Pasión según San Mateo, BWV 244 (Selección)
  type: MusicAlbum
  date published: 1981-03-22
  track: La Pasión según San Mateo, BWV 244: No. 3, Herzliebster Jesu
    type: MusicRecording
    duration: PT1M6S
    duration ms: 66687
    explicit: false
    by artist: Orquesta de Cámara de Berlín
    in album: Bach: La Pasión según San Mateo, BWV 244 (Selección)
      type: MusicAlbum
      date published: 1981-03-22
    isrc code: ES5338107977
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T16:54:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe5f69291d5e76fe9800301e3072164d81a3ec16572f7986ff8857f60f40fbdc4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107977
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5f69291d5e76fe9800301e3072164d81a3ec16572f7986ff8857f60f40fbdc4. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ES5338107977.
      date published: 2026-07-03T19:59:51Z
    audio: La Pasión según San Mateo, BWV 244: No. 3, Herzliebster Jesu
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      additional property: Tempo (BPM)
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        value: 78.745
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
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        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.096
      additional property: Energy
        type: PropertyValue
        value: 0.374
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.948
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.514
      additional property: Liveness
        type: PropertyValue
        value: 0.118
      additional property: Valence (Positivity)
        type: PropertyValue
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.208
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: La Pasión según San Mateo, BWV 244: No. 5, Du lieber Heiland - No. 6, Buß und Reu
    type: MusicRecording
    duration: PT4M56S
    duration ms: 296386
    explicit: false
    by artist: Orquesta de Cámara de Berlín
    in album: Bach: La Pasión según San Mateo, BWV 244 (Selección)
      type: MusicAlbum
      date published: 1981-03-22
    isrc code: ES5338107978
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T23:14:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdb1b8499c5925ac9f73390c3a57b61ef393c51529b1956b3d62390c0a12e2d03
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958489
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107978
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb1b8499c5925ac9f73390c3a57b61ef393c51529b1956b3d62390c0a12e2d03. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107978.
      date published: 2026-07-18T04:13:26Z
    audio: La Pasión según San Mateo, BWV 244: No. 5, Du lieber Heiland - No. 6, Buß und Reu
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.027
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.185
      additional property: Energy
        type: PropertyValue
        value: 0.282
      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
        value: 0.839
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.122
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.165
      additional property: Loudness (dB)
        type: PropertyValue
        value: -20.408
      additional property: Key Name
      additional property: Mode Name
  track: La Pasión según San Mateo, BWV 244: No. 8, Blute nur
  track: La Pasión según San Mateo, BWV 244: No. 19, O Schmerz - No. 20, Ich will bei meinem Jesu wachen
  track: La Pasión según San Mateo, BWV 244: No. 39, Erbarme dich, mein Gott
  track: La Pasión según San Mateo, BWV 244: No. 48, Er hat uns allen wohlgetan - No. 49, Aus Liebe will mein Heiland sterben
  track: La Pasión según San Mateo, BWV 244: No. 54, O Haupt voll Blut und Wunden

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

La Pasión según San Mateo, BWV 244: No. 8, Blute nur
type: MusicRecording
duration: PT5M19S
duration ms: 319245
explicit: false
by artist: Orquesta de Cámara de Berlín
in album: Bach: La Pasión según San Mateo, BWV 244 (Selección)
  type: MusicAlbum
  date published: 1981-03-22
isrc code: ES5338107979
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T08:34:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x562cbc056c5ab8ab2df9b769b38d06698b257071121f6d6fdf43258be814eea9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958853
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958853
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107979
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T11:36:15Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x562cbc056c5ab8ab2df9b769b38d06698b257071121f6d6fdf43258be814eea9. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:36:15Z), 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/ES5338107979.
  date published: 2026-07-20T11:36:15Z
audio: La Pasión según San Mateo, BWV 244: No. 8, Blute nur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 91.87
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.254
  additional property: Energy
    type: PropertyValue
    value: 0.304
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.816
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.689
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Pasión según San Mateo, BWV 244: No. 19, O Schmerz - No. 20, Ich will bei meinem Jesu wachen
type: MusicRecording
duration: PT8M10S
duration ms: 490393
explicit: false
by artist: Orquesta de Cámara de Berlín
in album: Bach: La Pasión según San Mateo, BWV 244 (Selección)
  type: MusicAlbum
  date published: 1981-03-22
isrc code: ES5338107980
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T19:49:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9a93f4f63ceddb6be6e45df401618515251bd48c25f506a873bfd5788b18a6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958931
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958931
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107980
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T21:15:01Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a93f4f63ceddb6be6e45df401618515251bd48c25f506a873bfd5788b18a6f. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107980.
  date published: 2026-07-20T21:15:01Z
audio: La Pasión según San Mateo, BWV 244: No. 19, O Schmerz - No. 20, Ich will bei meinem Jesu wachen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.815
  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: 0.119
  additional property: Energy
    type: PropertyValue
    value: 0.34
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.855
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.403
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Pasión según San Mateo, BWV 244: No. 39, Erbarme dich, mein Gott
type: MusicRecording
duration: PT7M16S
duration ms: 436929
explicit: false
by artist: Orquesta de Cámara de Berlín
in album: Bach: La Pasión según San Mateo, BWV 244 (Selección)
  type: MusicAlbum
  date published: 1981-03-22
isrc code: ES5338107981
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T20:03:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf197a565cd1cd76b3e6327a58447bbb693292788ed5709998ac6a9ede2983910
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107981
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf197a565cd1cd76b3e6327a58447bbb693292788ed5709998ac6a9ede2983910. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107981.
  date published: 2026-07-05T01:43:49Z
audio: La Pasión según San Mateo, BWV 244: No. 39, Erbarme dich, mein Gott
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.428
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.132
  additional property: Energy
    type: PropertyValue
    value: 0.32
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.814
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.837
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Pasión según San Mateo, BWV 244: No. 48, Er hat uns allen wohlgetan - No. 49, Aus Liebe will mein Heiland sterben
type: MusicRecording
duration: PT6M29S
duration ms: 389149
explicit: false
by artist: Orquesta de Cámara de Berlín
in album: Bach: La Pasión según San Mateo, BWV 244 (Selección)
  type: MusicAlbum
  date published: 1981-03-22
isrc code: ES5338107982
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T04:14:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87d8511c8446d11cc197682a124a794a57e5504c88a163da6ec025f391ee0528
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959100
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959100
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5338107982
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T07:18:07Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d8511c8446d11cc197682a124a794a57e5504c88a163da6ec025f391ee0528. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:18:07Z), 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/ES5338107982.
  date published: 2026-07-22T07:18:07Z
audio: La Pasión según San Mateo, BWV 244: No. 48, Er hat uns allen wohlgetan - No. 49, Aus Liebe will mein Heiland sterben
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 77.999
  additional property: Musical Key
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La Pasión según San Mateo, BWV 244: No. 54, O Haupt voll Blut und Wunden
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