Gerhard Essbach
type: MusicGroup
popularity: 8
followers: 18
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa519350040bfab0441ac7bfd7eb102a397f4a67288dbac1443bfc4b0f15a1237
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/73003545-3845-40fe-900a-273abd7aecde.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/73003545-3845-40fe-900a-273abd7aecde.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/73003545-3845-40fe-900a-273abd7aecde
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa519350040bfab0441ac7bfd7eb102a397f4a67288dbac1443bfc4b0f15a1237","name":"Gerhard Essbach","registered_at":"2026-06-17T05:43:30Z","symbol":"NIM1299039","token_address":"0x17120bb8afe5d915727d708a1fe6eb808378281d","type":"artist","uuid":"73003545-3845-40fe-900a-273abd7aecde"}
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 0xa519350040bfab0441ac7bfd7eb102a397f4a67288dbac1443bfc4b0f15a1237. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/73003545-3845-40fe-900a-273abd7aecde.json and https://artists.proofprofile.net/proofs/artist/73003545-3845-40fe-900a-273abd7aecde.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xa519350040bfab0441ac7bfd7eb102a397f4a67288dbac1443bfc4b0f15a1237","name":"Gerhard Essbach","registered_at":"2026-06-17T05:43:30Z","symbol":"NIM1299039","token_address":"0x17120bb8afe5d915727d708a1fe6eb808378281d","type":"artist","uuid":"73003545-3845-40fe-900a-273abd7aecde"}
track: Tochter Zion, freue dich
  type: MusicRecording
  duration: PT0M49S
  duration ms: 49840
  explicit: false
  by artist: Ludwig Güttler
  by artist: Gerhard Essbach
  by artist: Manfred Zeumer
  by artist: Hans Hombsch
  in album: Bach, Händel & Vivaldi: In Dulci Jubilo - Weihnachten mit Ludwig Güttler
    type: MusicAlbum
    date published: 2001
  genre: historically-informed-performance
  genre: classical-trumpet
  isrc code: DES380001030
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:55:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdfe0a562cb7433eeb89273e361a6a3a591c68bf2339ccafa96f15b6a7e32001f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380001030
  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 0xdfe0a562cb7433eeb89273e361a6a3a591c68bf2339ccafa96f15b6a7e32001f. 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/DES380001030.
    date published: 2026-07-02T03:55:08Z
  audio: Tochter Zion, freue dich
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 91.546
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.317
    additional property: Energy
      type: PropertyValue
      value: 0.039
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.969
    additional property: Liveness
      type: PropertyValue
      value: 0.265
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.225
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.604
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Christ lag in Todesbanden, BWV 4: I. Sinfonia
  type: MusicRecording
  duration: PT1M9S
  duration ms: 69533
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Gewandhausorchester
  by artist: New Bach Collegium Musicum Leipzig
  by artist: Hans-Joachim Rotzsch
  by artist: Ludwig Güttler
  by artist: Gerhard Essbach
  by artist: Karl Semsch
  by artist: Rolf Bachmann
  by artist: Walter Heinz Bernstein
  by artist: Burkhard Schmidt
  by artist: Achim Beyer
  by artist: Gerd Schulze
  in album: Bach: Easter Cantatas BWV 4, 31, 66, 134
    type: MusicAlbum
    date published: 2007-03-21
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DES380001870
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T17:26:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6a85c155e1de50a1d1b6ddf1ec48e265e64da541447961a88c3a7844afb92ec2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380001870
  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 0x6a85c155e1de50a1d1b6ddf1ec48e265e64da541447961a88c3a7844afb92ec2. 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/DES380001870.
    date published: 2026-07-02T03:55:08Z
  audio: Christ lag in Todesbanden, BWV 4: I. Sinfonia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.469
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.189
    additional property: Energy
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Christ lag in Todesbanden, BWV 4: II. Verse 1. Christ lag in Todesbanden
track: Christ lag in Todesbanden, BWV 4: III. Verse 2. Den Tod niemand zwingen kunnt
track: Christ lag in Todesbanden, BWV 4: IV. Verse 3. Jesus Christus, Gottes Sohn
track: Christ lag in Todesbanden, BWV 4: V. Verse 4. Es war ein wunderlicher Krieg
track: Christ lag in Todesbanden, BWV 4: VI. Verse 5. Hier ist das rechte Osterlamm
track: Christ lag in Todesbanden, BWV 4: VII. Verse 6. So feiern wir das hohe Fest
track: Christ lag in Todesbanden, BWV 4: VIII. Verse 7. Wir essen und leben wohl

Energy
type: PropertyValue
value: 0.126

Speechiness
type: PropertyValue
value: 0.037

Acousticness
type: PropertyValue
value: 0.951

Instrumentalness
type: PropertyValue
value: 0.934

Liveness
type: PropertyValue
value: 0.109

Valence (Positivity)
type: PropertyValue
value: 0.038

Loudness (dB)
type: PropertyValue
value: -25.249

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Christ lag in Todesbanden, BWV 4: II. Verse 1. Christ lag in Todesbanden
type: MusicRecording
duration: PT4M25S
duration ms: 265000
explicit: false
by artist: Johann Sebastian Bach
by artist: Thomanerchor Leipzig
by artist: Gewandhausorchester
by artist: New Bach Collegium Musicum Leipzig
by artist: Hans-Joachim Rotzsch
by artist: Ludwig Güttler
by artist: Gerhard Essbach
by artist: Karl Semsch
by artist: Rolf Bachmann
by artist: Walter Heinz Bernstein
by artist: Burkhard Schmidt
by artist: Achim Beyer
by artist: Gerd Schulze
in album: Bach: Easter Cantatas BWV 4, 31, 66, 134
  type: MusicAlbum
  date published: 2007-03-21
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DES380001871
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:53:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf5a1f7d72e7f8ccfffdacb48eb4234e78beee7246325b74cd92ff78f5c6d359
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/DES380001871
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 0xcf5a1f7d72e7f8ccfffdacb48eb4234e78beee7246325b74cd92ff78f5c6d359. 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/DES380001871.
  date published: 2026-07-08T03:20:19Z
audio: Christ lag in Todesbanden, BWV 4: II. Verse 1. Christ lag in Todesbanden
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.495
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.193
  additional property: Energy
    type: PropertyValue
    value: 0.286
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.9
  additional property: Liveness
    type: PropertyValue
    value: 0.274
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.445
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.332
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Christ lag in Todesbanden, BWV 4: III. Verse 2. Den Tod niemand zwingen kunnt
type: MusicRecording
duration: PT3M12S
duration ms: 192000
explicit: false
by artist: Johann Sebastian Bach
by artist: Thomanerchor Leipzig
by artist: Gewandhausorchester
by artist: New Bach Collegium Musicum Leipzig
by artist: Hans-Joachim Rotzsch
by artist: Ludwig Güttler
by artist: Gerhard Essbach
by artist: Karl Semsch
by artist: Rolf Bachmann
by artist: Walter Heinz Bernstein
by artist: Burkhard Schmidt
by artist: Achim Beyer
by artist: Gerd Schulze
in album: Bach: Easter Cantatas BWV 4, 31, 66, 134
  type: MusicAlbum
  date published: 2007-03-21
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DES380001872
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T13:02:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd462c84c543a87f7426090a273853c7d103dd06314fbd7c915a3d57e701aeb0d
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/DES380001872
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 0xd462c84c543a87f7426090a273853c7d103dd06314fbd7c915a3d57e701aeb0d. 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/DES380001872.
  date published: 2026-07-29T13:09:35Z
audio: Christ lag in Todesbanden, BWV 4: III. Verse 2. Den Tod niemand zwingen kunnt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.484
  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: 0.191
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.107
  additional property: Liveness
    type: PropertyValue
    value: 0.195
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.903
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Christ lag in Todesbanden, BWV 4: IV. Verse 3. Jesus Christus, Gottes Sohn
type: MusicRecording
duration: PT2M3S
duration ms: 123333
explicit: false
by artist: Johann Sebastian Bach
by artist: Thomanerchor Leipzig
by artist: Gewandhausorchester
by artist: New Bach Collegium Musicum Leipzig
by artist: Hans-Joachim Rotzsch
by artist: Ludwig Güttler
by artist: Gerhard Essbach
by artist: Karl Semsch
by artist: Rolf Bachmann
by artist: Walter Heinz Bernstein
by artist: Burkhard Schmidt
by artist: Achim Beyer
by artist: Gerd Schulze
in album: Bach: Easter Cantatas BWV 4, 31, 66, 134
  type: MusicAlbum
  date published: 2007-03-21
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DES380001873
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:04:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x417e4957277e05db3e8637cb4ba7d44540a213ceabf252b86ba43a61b3067d49
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957067
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957067
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380001873
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:54:37Z
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 0x417e4957277e05db3e8637cb4ba7d44540a213ceabf252b86ba43a61b3067d49. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/DES380001873.
  date published: 2026-07-07T16:54:37Z
audio: Christ lag in Todesbanden, BWV 4: IV. Verse 3. Jesus Christus, Gottes Sohn
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 109.634
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.435
  additional property: Energy
    type: PropertyValue
    value: 0.227
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  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)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Christ lag in Todesbanden, BWV 4: V. Verse 4. Es war ein wunderlicher Krieg
type: MusicRecording
duration: PT2M29S
duration ms: 149666
explicit: false
by artist: Johann Sebastian Bach
by artist: Thomanerchor Leipzig
by artist: Gewandhausorchester
by artist: New Bach Collegium Musicum Leipzig
by artist: Hans-Joachim Rotzsch
by artist: Ludwig Güttler
by artist: Gerhard Essbach
by artist: Karl Semsch
by artist: Rolf Bachmann
by artist: Walter Heinz Bernstein
by artist: Burkhard Schmidt
by artist: Achim Beyer
by artist: Gerd Schulze
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genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
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Christ lag in Todesbanden, BWV 4: VI. Verse 5. Hier ist das rechte Osterlamm
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by artist: Thomanerchor Leipzig
by artist: Gewandhausorchester
by artist: New Bach Collegium Musicum Leipzig
by artist: Hans-Joachim Rotzsch
by artist: Ludwig Güttler
by artist: Gerhard Essbach
by artist: Karl Semsch
by artist: Rolf Bachmann
by artist: Walter Heinz Bernstein
by artist: Burkhard Schmidt
by artist: Achim Beyer
by artist: Gerd Schulze
in album: Bach: Easter Cantatas BWV 4, 31, 66, 134
  type: MusicAlbum
  date published: 2007-03-21
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DES380001875
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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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  date published: 2026-07-08T03:20:19Z
audio: Christ lag in Todesbanden, BWV 4: VI. Verse 5. Hier ist das rechte Osterlamm
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Christ lag in Todesbanden, BWV 4: VII. Verse 6. So feiern wir das hohe Fest
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duration: PT2M11S
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by artist: Johann Sebastian Bach
by artist: Thomanerchor Leipzig
by artist: Gewandhausorchester
by artist: New Bach Collegium Musicum Leipzig
by artist: Hans-Joachim Rotzsch
by artist: Ludwig Güttler
by artist: Gerhard Essbach
by artist: Karl Semsch
by artist: Rolf Bachmann
by artist: Walter Heinz Bernstein
by artist: Burkhard Schmidt
by artist: Achim Beyer
by artist: Gerd Schulze
in album: Bach: Easter Cantatas BWV 4, 31, 66, 134
  type: MusicAlbum
  date published: 2007-03-21
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:45:34Z
audio: Christ lag in Todesbanden, BWV 4: VII. Verse 6. So feiern wir das hohe Fest
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Christ lag in Todesbanden, BWV 4: VIII. Verse 7. Wir essen und leben wohl
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by artist: Gewandhausorchester
by artist: New Bach Collegium Musicum Leipzig
by artist: Hans-Joachim Rotzsch
by artist: Ludwig Güttler
by artist: Gerhard Essbach
by artist: Karl Semsch
by artist: Rolf Bachmann
by artist: Walter Heinz Bernstein
by artist: Burkhard Schmidt
by artist: Achim Beyer
by artist: Gerd Schulze
in album: Bach: Easter Cantatas BWV 4, 31, 66, 134
  type: MusicAlbum
  date published: 2007-03-21
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T02:05:19Z
audio: Christ lag in Todesbanden, BWV 4: VIII. Verse 7. Wir essen und leben wohl
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