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type: MusicGroup
genre: choral
popularity: 10
followers: 58
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additional property: OTSVerifyInstructions
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  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
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track: Wachet auf, ruft uns die Stimme BWV 140: Chorus: Wachet auf, ruft uns die Stimme
track: Wachet auf, ruft uns die Stimme BWV 140: Chorale: Zion hört die Wächter singen
track: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Sinfonia
track: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Weinen, Klagen, Sorgen, Zagen
track: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Kreuz und Krone sind verbunden
track: Wachet auf, ruft uns die Stimme BWV 140: Recitative: Er kommt, er kommt
track: Wachet auf, ruft uns die Stimme BWV 140: Duet: Wenn kömmst du, mein Heil?
track: Wachet auf, ruft uns die Stimme BWV 140: Recitative: So geh herein zu mir
track: Wachet auf, ruft uns die Stimme BWV 140: Aria duetto: Mein Freund ist mein! (soprano/tenor/oboe)
track: Wachet auf, ruft uns die Stimme BWV 140: Chorale: Gloria sei dir gesungen
track: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Wir müssen durch viel Trübsal (countertenor)
track: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Ich folge Christo nach (bass/Violin soli)
track: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Sei getreu, alle Pein (tenor/trumpet soli)
track: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Was Gott tut, das ist wohlgetan

Wachet auf, ruft uns die Stimme BWV 140: Chorus: Wachet auf, ruft uns die Stimme
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by artist: Choir of King's College, Cambridge
by artist: Susan Gritton
by artist: Michael George
by artist: Stephen Cleobury
by artist: Ian Bostridge
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
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  date published: 2000-04-18
isrc code: GBAYC0000706
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Wachet auf, ruft uns die Stimme BWV 140: Chorus: Wachet auf, ruft uns die Stimme
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Wachet auf, ruft uns die Stimme BWV 140: Chorale: Zion hört die Wächter singen
type: MusicRecording
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by artist: Mark Radcliffe
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by artist: Susan Gritton
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by artist: Stephen Cleobury
by artist: Ian Bostridge
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in album: Bach: Magnificat in D etc.
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Wachet auf, ruft uns die Stimme BWV 140: Chorale: Zion hört die Wächter singen
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Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Sinfonia
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duration: PT2M46S
duration ms: 166733
explicit: false
by artist: Mark Radcliffe
by artist: Peter Lissauer
by artist: Choir of King's College, Cambridge
by artist: Michael George
by artist: Micaela Comberti
by artist: Stephen Cleobury
by artist: Michael Chance
by artist: Ian Bostridge
by artist: David Blackadder
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
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isrc code: GBAYC0000793
additional property: CopyrightID
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Sinfonia
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Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Weinen, Klagen, Sorgen, Zagen
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duration: PT5M56S
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by artist: Choir of King's College, Cambridge
by artist: Michael George
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by artist: Stephen Cleobury
by artist: Michael Chance
by artist: Ian Bostridge
by artist: David Blackadder
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
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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
additional property: ProofProfileEvidenceStatus
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  date published: 2026-07-08T03:53:27Z
audio: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Weinen, Klagen, Sorgen, Zagen
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Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Kreuz und Krone sind verbunden
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by artist: Choir of King's College, Cambridge
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by artist: Michael Chance
by artist: Ian Bostridge
by artist: David Blackadder
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:53:27Z
audio: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Kreuz und Krone sind verbunden
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    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.623
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.099
  additional property: Loudness (dB)
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    value: -30.188
  additional property: Key Name
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  additional property: Mode Name
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Wachet auf, ruft uns die Stimme BWV 140: Recitative: Er kommt, er kommt
type: MusicRecording
duration: PT0M53S
duration ms: 53373
explicit: false
by artist: Mark Radcliffe
by artist: Choir of King's College, Cambridge
by artist: Susan Gritton
by artist: Michael George
by artist: Stephen Cleobury
by artist: Ian Bostridge
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6b55d238b2a3c3d5fbef6a8e0fbcd8656fa9e8534c7914c0936a9a2ef186d00. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T16:31:59Z), 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/GBAYC0000707.
  date published: 2026-07-22T16:31:59Z
audio: Wachet auf, ruft uns die Stimme BWV 140: Recitative: Er kommt, er kommt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.688
  additional property: Musical Key
    type: PropertyValue
    value: 2
  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: 0.517
  additional property: Energy
    type: PropertyValue
    value: 0.084
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.247
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.301
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.319
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC0000707
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959134
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T13:34:27+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000707
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959134
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959134
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T13:34:27+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Wachet auf, ruft uns die Stimme BWV 140: Duet: Wenn kömmst du, mein Heil?
type: MusicRecording
duration: PT5M56S
duration ms: 356093
explicit: false
by artist: Mark Radcliffe
by artist: Choir of King's College, Cambridge
by artist: Susan Gritton
by artist: Michael George
by artist: Stephen Cleobury
by artist: Ian Bostridge
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f017e20d6c6b6ebb1d374523f494af5c9bc743355605241d800256fecce54b8. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T13:20:46Z), 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/GBAYC0000708.
  date published: 2026-07-22T13:20:46Z
audio: Wachet auf, ruft uns die Stimme BWV 140: Duet: Wenn kömmst du, mein Heil?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.587
  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: 0.327
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.86
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.117
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.926
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBAYC0000708
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959132
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T13:20:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000708
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959132
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959132
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T13:20:46+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Wachet auf, ruft uns die Stimme BWV 140: Recitative: So geh herein zu mir
type: MusicRecording
duration: PT1M14S
duration ms: 74506
explicit: false
by artist: Mark Radcliffe
by artist: Choir of King's College, Cambridge
by artist: Susan Gritton
by artist: Michael George
by artist: Stephen Cleobury
by artist: Ian Bostridge
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fbac94c931274a3b7f6d634080d3d9371673fa12bd8e42a9d840626954116b2. 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/GBAYC0000710.
  date published: 2026-07-29T13:09:35Z
audio: Wachet auf, ruft uns die Stimme BWV 140: Recitative: So geh herein zu mir
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.888
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.224
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.095
  additional property: Acousticness
    type: PropertyValue
    value: 0.818
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.095
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.225
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC0000710
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960108
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000710
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: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:09:35+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Wachet auf, ruft uns die Stimme BWV 140: Aria duetto: Mein Freund ist mein! (soprano/tenor/oboe)
type: MusicRecording
duration: PT5M11S
duration ms: 311466
explicit: false
by artist: Mark Radcliffe
by artist: Choir of King's College, Cambridge
by artist: Susan Gritton
by artist: Michael George
by artist: Stephen Cleobury
by artist: Ian Bostridge
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5da6d368ec61625a45278185f9b1dce38f961efe02eb8aa842d755db8ee18c. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/GBAYC0000711.
  date published: 2026-07-29T13:38:16Z
audio: Wachet auf, ruft uns die Stimme BWV 140: Aria duetto: Mein Freund ist mein! (soprano/tenor/oboe)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.868
  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: 0.398
  additional property: Energy
    type: PropertyValue
    value: 0.21
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.561
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.679
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC0000711
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960113
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T13:38:16+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000711
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960113
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960113
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:38:16+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Wachet auf, ruft uns die Stimme BWV 140: Chorale: Gloria sei dir gesungen
type: MusicRecording
duration: PT1M56S
duration ms: 116800
explicit: false
by artist: Mark Radcliffe
by artist: Choir of King's College, Cambridge
by artist: Susan Gritton
by artist: Michael George
by artist: Stephen Cleobury
by artist: Ian Bostridge
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af0934f7692da62675876a4dac654ca866804cf9089e870d0ca6a143f61bbfe. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/GBAYC0000712.
  date published: 2026-07-29T21:51:49Z
audio: Wachet auf, ruft uns die Stimme BWV 140: Chorale: Gloria sei dir gesungen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.825
  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: 0.124
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.217
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.181
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC0000712
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960150
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:51:49+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000712
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960150
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:51:49+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Wir müssen durch viel Trübsal (countertenor)
type: MusicRecording
duration: PT0M45S
duration ms: 45893
explicit: false
by artist: Mark Radcliffe
by artist: Peter Lissauer
by artist: Choir of King's College, Cambridge
by artist: Michael George
by artist: Micaela Comberti
by artist: Stephen Cleobury
by artist: Michael Chance
by artist: Ian Bostridge
by artist: David Blackadder
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee8c0155db1ca2fb178df8051a80c8d23b03d4a31e9d95ac3bd6cab837742aa3. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/GBAYC0000795.
  date published: 2026-07-30T20:09:33Z
audio: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Wir müssen durch viel Trübsal (countertenor)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.529
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.352
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.211
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBAYC0000795
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T20:09:33+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000795
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960302
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:09:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Ich folge Christo nach (bass/Violin soli)
type: MusicRecording
duration: PT2M26S
duration ms: 146640
explicit: false
by artist: Mark Radcliffe
by artist: Peter Lissauer
by artist: Choir of King's College, Cambridge
by artist: Michael George
by artist: Micaela Comberti
by artist: Stephen Cleobury
by artist: Michael Chance
by artist: Ian Bostridge
by artist: David Blackadder
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x944e65e1b0f1729af9e0b2c35928986fbb66049bd9cc332d16fe67264e62a430. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/GBAYC0000797.
  date published: 2026-07-30T19:42:40Z
audio: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Ich folge Christo nach (bass/Violin soli)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.468
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.333
  additional property: Energy
    type: PropertyValue
    value: 0.039
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.856
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.199
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.565
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC0000797
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960300
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T19:42:40+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000797
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960300
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:42:40+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Sei getreu, alle Pein (tenor/trumpet soli)
type: MusicRecording
duration: PT4M52S
duration ms: 292626
explicit: false
by artist: Mark Radcliffe
by artist: Peter Lissauer
by artist: Choir of King's College, Cambridge
by artist: Michael George
by artist: Micaela Comberti
by artist: Stephen Cleobury
by artist: Michael Chance
by artist: Ian Bostridge
by artist: David Blackadder
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e7e09047d1ad141d2c5c7c644a212fce31c9f6cf52653c692b0aafbd23a4e6f. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBAYC0000798.
  date published: 2026-07-31T00:26:26Z
audio: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Sei getreu, alle Pein (tenor/trumpet soli)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.609
  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: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.479
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.112
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.895
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBAYC0000798
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000798
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Was Gott tut, das ist wohlgetan
type: MusicRecording
duration: PT1M4S
duration ms: 64373
explicit: false
by artist: Mark Radcliffe
by artist: Peter Lissauer
by artist: Choir of King's College, Cambridge
by artist: Michael George
by artist: Micaela Comberti
by artist: Stephen Cleobury
by artist: Michael Chance
by artist: Ian Bostridge
by artist: David Blackadder
by artist: Academy of Ancient Music
in album: Bach: Magnificat in D etc.
  type: MusicAlbum
  date published: 2000-04-18
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeb250ca39bbeed67cff0a13e0360fe92e68d7fdcb78b511077df675050d0b59. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBAYC0000799.
  date published: 2026-07-30T17:23:26Z
audio: Weinen, Klagen, Sorgen, Zagen BWV 12 [version in G minor]: Was Gott tut, das ist wohlgetan
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.829
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.119
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.937
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.25
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.272
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.725
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBAYC0000799
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960284
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T17:23:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000799
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch