Josef Schmidinger
type: MusicGroup
genre: opera
popularity: 8
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xe0a3cbd70c38a7360d46536132e9765b9ccb92bda49d6d055778d65287520b87
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/952b4571-1239-4499-af46-174bfe4c63cf.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/952b4571-1239-4499-af46-174bfe4c63cf
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a3cbd70c38a7360d46536132e9765b9ccb92bda49d6d055778d65287520b87. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/952b4571-1239-4499-af46-174bfe4c63cf.json and https://artists.proofprofile.net/proofs/artist/952b4571-1239-4499-af46-174bfe4c63cf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
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track: The Merry Widow: Overture
track: The Merry Widow: Act I, "O Vaterland du mächst bei Tag"
track: The Merry Widow: Act I, "Wie die Blumen in Lenze erblüh'n"
track: The Merry Widow: Act I, "Verehrteste Damen un Herren"
track: The Merry Widow: Act I, "Und jetzt, meine Herrschaften"
track: The Merry Widow: Act I, "So kommen Sie!...Ich bin eine anständ'ge Frau"
track: The Merry Widow: Act I, "Bitte meine Herr'n"
track: The Merry Widow: Act I, "Njegus, waren Sie beim Count Danilo?"
track: The Merry Widow: Act I, "Ach Njegus, Geliebter, wo ist Vaterland?"
track: The Merry Widow: Act I, "Damenwahl! Hört man rufen rings im Saal!"
track: The Merry Widow: Act II, "Ich bitte, hier jetzt zu verweilen"
track: The Merry Widow: Act II, "Nun lasst uns aber wie daheim...Viljalied"
track: The Merry Widow: Act II, "Heia, Mädel, aufgeschaut"
track: The Merry Widow: Act II, "Wie die Weiber?"

The Merry Widow: Overture
type: MusicRecording
duration: PT8M31S
duration ms: 511960
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
isrc code: GBJ2F1010734
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:16:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa37a2527b0c8ace34232be591c2e7da202b4d12d4e82db62796cd87db7ebc8d4
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/GBJ2F1010734
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
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: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37a2527b0c8ace34232be591c2e7da202b4d12d4e82db62796cd87db7ebc8d4. 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/GBJ2F1010734.
  date published: 2026-07-08T03:20:19Z
audio: The Merry Widow: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.914
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.248
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.375
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.769
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Merry Widow: Act I, "O Vaterland du mächst bei Tag"
type: MusicRecording
duration: PT2M7S
duration ms: 127053
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
isrc code: GBJ2F1010742
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:04:39+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010742
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd8e453147925fb5b42a9fbb75af9585bad09c0a3f171988ab67ccbaa9111057. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBJ2F1010742.
  date published: 2026-07-08T03:53:27Z
audio: The Merry Widow: Act I, "O Vaterland du mächst bei Tag"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.598
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.409
  additional property: Energy
    type: PropertyValue
    value: 0.267
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.88
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.308
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.624
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.301
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Merry Widow: Act I, "Wie die Blumen in Lenze erblüh'n"
type: MusicRecording
duration: PT6M11S
duration ms: 371466
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
isrc code: GBJ2F1010745
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:08:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8709c0058c48fc9cbe46fdfbac77360841ad31051c98b67b008be364dbad6740
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/GBJ2F1010745
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
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: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8709c0058c48fc9cbe46fdfbac77360841ad31051c98b67b008be364dbad6740. 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/GBJ2F1010745.
  date published: 2026-07-08T03:20:19Z
audio: The Merry Widow: Act I, "Wie die Blumen in Lenze erblüh'n"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.195
  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: 0.364
  additional property: Energy
    type: PropertyValue
    value: 0.363
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.914
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.388
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.919
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Merry Widow: Act I, "Verehrteste Damen un Herren"
type: MusicRecording
duration: PT2M44S
duration ms: 164426
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2b78f912a725f0bf4f0b9c8cf0c5cbcdd0072ebeaac3a97db5bd9151b02855c. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/GBJ2F1010735.
  date published: 2026-07-29T22:48:59Z
audio: The Merry Widow: Act I, "Verehrteste Damen un Herren"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Key Name
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isrc code: GBJ2F1010735
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010735
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

The Merry Widow: Act I, "Und jetzt, meine Herrschaften"
type: MusicRecording
duration: PT0M47S
duration ms: 47133
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42559e0d3dfbc086a4da456ed42a91f6e88c34c5cb5e7396ebd582e3e0525258. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBJ2F1010736.
  date published: 2026-07-30T18:23:33Z
audio: The Merry Widow: Act I, "Und jetzt, meine Herrschaften"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBJ2F1010736
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

The Merry Widow: Act I, "So kommen Sie!...Ich bin eine anständ'ge Frau"
type: MusicRecording
duration: PT4M18S
duration ms: 258800
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T23:23:05Z
audio: The Merry Widow: Act I, "So kommen Sie!...Ich bin eine anständ'ge Frau"
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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

The Merry Widow: Act I, "Bitte meine Herr'n"
type: MusicRecording
duration: PT3M15S
duration ms: 195413
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x561b00c2fd0658816986566d5bfba9bf31a9a4711cd7c4704e504f2a73186534. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GBJ2F1010739.
  date published: 2026-07-30T15:42:38Z
audio: The Merry Widow: Act I, "Bitte meine Herr'n"
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlockVerifyURL
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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

The Merry Widow: Act I, "Njegus, waren Sie beim Count Danilo?"
type: MusicRecording
duration: PT0M53S
duration ms: 53013
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x688eba3211eb19f94d07c1f00054155490013e05cf6dd17b62b880b48849c642. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBJ2F1010741.
  date published: 2026-07-31T05:17:02Z
audio: The Merry Widow: Act I, "Njegus, waren Sie beim Count Danilo?"
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlockVerifyURL
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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

The Merry Widow: Act I, "Ach Njegus, Geliebter, wo ist Vaterland?"
type: MusicRecording
duration: PT4M0S
duration ms: 240800
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4638a1ce411ebb26776bb75f5764b0807c9c815f1dce6e9147e4e62fe3c66b2d. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010743.
  date published: 2026-07-30T09:37:10Z
audio: The Merry Widow: Act I, "Ach Njegus, Geliebter, wo ist Vaterland?"
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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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

The Merry Widow: Act I, "Damenwahl! Hört man rufen rings im Saal!"
type: MusicRecording
duration: PT3M6S
duration ms: 186120
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2230b6907d2b9d6a12e3298fb6fa932d0018c177ec55719ccd26cd8e2442eecc. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/GBJ2F1010744.
  date published: 2026-07-30T11:13:28Z
audio: The Merry Widow: Act I, "Damenwahl! Hört man rufen rings im Saal!"
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 105.118
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.485
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.117
  additional property: Acousticness
    type: PropertyValue
    value: 0.933
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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isrc code: GBJ2F1010744
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

The Merry Widow: Act II, "Ich bitte, hier jetzt zu verweilen"
type: MusicRecording
duration: PT2M49S
duration ms: 169560
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9500bba9d510251d7a94528086aca0bf99a8821add4803e40b5714be021310df. 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/GBJ2F1010746.
  date published: 2026-07-30T20:09:33Z
audio: The Merry Widow: Act II, "Ich bitte, hier jetzt zu verweilen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.335
  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
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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isrc code: GBJ2F1010746
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

The Merry Widow: Act II, "Nun lasst uns aber wie daheim...Viljalied"
type: MusicRecording
duration: PT5M36S
duration ms: 336813
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd4c1d10d84e7f605c9421e6877a796759658250f88e4b1d567390d056929815. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010747.
  date published: 2026-07-30T10:42:33Z
audio: The Merry Widow: Act II, "Nun lasst uns aber wie daheim...Viljalied"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.568
  additional property: Musical Key
    type: PropertyValue
    value: 7
  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: 0.23
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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    value: 0.264
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.085
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBJ2F1010747
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
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010747
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960247
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T10:42:33+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

The Merry Widow: Act II, "Heia, Mädel, aufgeschaut"
type: MusicRecording
duration: PT2M55S
duration ms: 175546
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5bc6e589c1063208f3a328f64127f5132ab5cdfb8621c2b90d8fa0737ed1f1d. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GBJ2F1010749.
  date published: 2026-07-30T15:42:38Z
audio: The Merry Widow: Act II, "Heia, Mädel, aufgeschaut"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.241
  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: 0.449
  additional property: Energy
    type: PropertyValue
    value: 0.299
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.37
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.533
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.856
  additional property: Key Name
    type: PropertyValue
    value: A
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    type: PropertyValue
    value: Major
isrc code: GBJ2F1010749
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
  value: 960273
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/GBJ2F1010749
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+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

The Merry Widow: Act II, "Wie die Weiber?"
type: MusicRecording
duration: PT2M42S
duration ms: 162000
explicit: false
by artist: Franz Lehár
by artist: Anton Niessner
by artist: Emmy Loose
by artist: Erich Kunz
by artist: Elisabeth Schwarzkopf
by artist: Nicolai Gedda
by artist: Otakar Kraus
by artist: Josef Schmidinger
by artist: Philharmonia Orchestra
by artist: Philharmonia Chorus
by artist: Otto Ackermann
in album: Lehár: The Merry Widow
  type: MusicAlbum
  date published: 2003
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf2a0634ee2581acf8cc7f56fb409e53c2b0c7c9e6249e382472a9cb81803da8. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010751.
  date published: 2026-07-31T09:25:34Z
audio: The Merry Widow: Act II, "Wie die Weiber?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.253
  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: 0.539
  additional property: Energy
    type: PropertyValue
    value: 0.577
  additional property: Speechiness
    type: PropertyValue
    value: 0.142
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.028
  additional property: Liveness
    type: PropertyValue
    value: 0.847
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.544
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.786
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBJ2F1010751
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: 960379
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:25:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010751
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960379
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960379
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:25:34+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