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subject of: OpenTimestamps Proof of Existence
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    additional property: OTSVerifyInstructions
      type: PropertyValue
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T16:33:26Z
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  track: Marienbader Polka
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-30T00:53:20Z
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  track: Mondnacht auf der Alster, Op. 60
track: Lohengrin: Act III Scene 1: Treulich gefuhrt, ziehet dahin (Wedding March) (Chorus)
track: Lohengrin: Act III: Prelude
track: Chants du soir: Au bord de la mer (arr. H. Geese)
track: Lohengrin: Act I: Prelude
track: La vie parisienne (Parisian Life): Overture
track: Lohengrin: Act III Scene 3: Heil, Konig Heinrich! (All The Men)
track: Lohengrin: Act I Scene 1: Hort! Grafen, Edle, Freie von Brabant! (King's Herald)
track: Lohengrin: Act I Scene 3: Durch Gottes Sieg ist jetzt dein Leben mein (Lohengrin)
track: Schwanensang, Op. 11
track: Rosamunde, D. 797: Hirtenchor
track: Lohengrin: Act I Scene 3: Nun sei bedankt, mein lieber Schwan! (Lohengrin)

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Mondnacht auf der Alster, Op. 60
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
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Lohengrin: Act III Scene 1: Treulich gefuhrt, ziehet dahin (Wedding March) (Chorus)
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duration: PT4M24S
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by artist: Richard Wagner
by artist: Kwangchul Youn
by artist: Johan Botha
by artist: Adrianne Pieczonka
by artist: Falk Struckmann
by artist: Petra Lang
by artist: Eike Wilm-Schulte
by artist: Prague Chamber Chorus
by artist: North German Radio Chorus
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Semyon Bychkov
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Lohengrin: Act III: Prelude
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by artist: Kwangchul Youn
by artist: Johan Botha
by artist: Adrianne Pieczonka
by artist: Falk Struckmann
by artist: Petra Lang
by artist: Eike Wilm-Schulte
by artist: Prague Chamber Chorus
by artist: North German Radio Chorus
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Semyon Bychkov
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popularity: 12
genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T15:38:35Z
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Chants du soir: Au bord de la mer (arr. H. Geese)
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genre: classical
genre: german-romanticism
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec4b933c9cb9013bd07f5d39bc78d0ade7efd47923236385bf233982262fa1fc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1012599 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Chants du soir: Au bord de la mer (arr. H. Geese)
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Lohengrin: Act I: Prelude
type: MusicRecording
duration: PT8M23S
duration ms: 503666
explicit: false
by artist: Richard Wagner
by artist: Kwangchul Youn
by artist: Johan Botha
by artist: Adrianne Pieczonka
by artist: Falk Struckmann
by artist: Petra Lang
by artist: Eike Wilm-Schulte
by artist: Prague Chamber Chorus
by artist: North German Radio Chorus
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Semyon Bychkov
in album: Wagner, R.: Lohengrin [Opera]
  type: MusicAlbum
  date published: 2009-05-01
popularity: 4
genre: classical
genre: opera
isrc code: DEAD60900401
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4650d73ed134d20d557a695845ed25cfefa025389ca6f2eb17989e10c195bae. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD60900401 — a six-check JSON result.
  date published: 2026-07-30T17:23:26Z
audio: Lohengrin: Act I: Prelude
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La vie parisienne (Parisian Life): Overture
type: MusicRecording
duration: PT5M6S
duration ms: 306826
explicit: false
by artist: Jacques Offenbach
by artist: Elisabeth Werres
by artist: Elizabeth Steiner
by artist: Norbert Orth
by artist: Wolfgang Schöne
by artist: Ulrike Steinsky
by artist: Cologne West German Radio Orchestra
by artist: Pinchas Steinberg
in album: Offenbach Festival
  type: MusicAlbum
  date published: 2010-04-05
popularity: 4
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: USB8U1012596
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1012596
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc7f6eb8ff126e197fb48981e1bf60cea002b8f90b088d937d24809fd4c0fa2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1012596 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: La vie parisienne (Parisian Life): Overture
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  additional property: Tempo (BPM)
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Lohengrin: Act III Scene 3: Heil, Konig Heinrich! (All The Men)
type: MusicRecording
duration: PT4M56S
duration ms: 296093
explicit: false
by artist: Richard Wagner
by artist: Kwangchul Youn
by artist: Johan Botha
by artist: Adrianne Pieczonka
by artist: Falk Struckmann
by artist: Petra Lang
by artist: Eike Wilm-Schulte
by artist: Prague Chamber Chorus
by artist: North German Radio Chorus
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Semyon Bychkov
in album: Wagner, R.: Lohengrin [Opera]
  type: MusicAlbum
  date published: 2009-05-01
popularity: 3
genre: classical
genre: opera
isrc code: DEAD60900438
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960468
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD60900438
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x083cde667cd07f4f958e72380b42c5eddcdbedaa57ef685e678df4c6efc9f438. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD60900438 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
audio: Lohengrin: Act III Scene 3: Heil, Konig Heinrich! (All The Men)
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Lohengrin: Act I Scene 1: Hort! Grafen, Edle, Freie von Brabant! (King's Herald)
type: MusicRecording
duration: PT4M30S
duration ms: 270746
explicit: false
by artist: Richard Wagner
by artist: Kwangchul Youn
by artist: Johan Botha
by artist: Adrianne Pieczonka
by artist: Falk Struckmann
by artist: Petra Lang
by artist: Eike Wilm-Schulte
by artist: Prague Chamber Chorus
by artist: North German Radio Chorus
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Semyon Bychkov
in album: Wagner, R.: Lohengrin [Opera]
  type: MusicAlbum
  date published: 2009-05-01
popularity: 2
genre: classical
genre: opera
isrc code: DEAD60900402
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD60900402
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5aa47b529941735b9a74c72048bd97edfccfdf6e6fbe3e1aac9e34608809534. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD60900402 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Lohengrin: Act I Scene 1: Hort! Grafen, Edle, Freie von Brabant! (King's Herald)
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Lohengrin: Act I Scene 3: Durch Gottes Sieg ist jetzt dein Leben mein (Lohengrin)
type: MusicRecording
duration: PT4M9S
duration ms: 249346
explicit: false
by artist: Richard Wagner
by artist: Kwangchul Youn
by artist: Johan Botha
by artist: Adrianne Pieczonka
by artist: Falk Struckmann
by artist: Petra Lang
by artist: Eike Wilm-Schulte
by artist: Prague Chamber Chorus
by artist: North German Radio Chorus
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Semyon Bychkov
in album: Wagner, R.: Lohengrin [Opera]
  type: MusicAlbum
  date published: 2009-05-01
popularity: 2
genre: classical
genre: opera
isrc code: DEAD60900412
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD60900412
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x121848094e2e2bca85972eba3ac7377a7e26fbb162ee1ff35176590f8e212e17. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD60900412 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: Lohengrin: Act I Scene 3: Durch Gottes Sieg ist jetzt dein Leben mein (Lohengrin)
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Schwanensang, Op. 11
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duration: PT13M33S
duration ms: 813600
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by artist: Franz Schreker
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Peter Gülke
in album: Composers In Exile - Zemlinsky, A. Von / Schreker, F. / Schulhoff, E. / Ullmann, V. / Hindemith, P. / Schoenberg, A. / Milhaud, D.
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popularity: 2
isrc code: US2TL0943804
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x144cc490cc6615a5d71eb84fd77134e45a833031c9a8ff93a378b569fc4c1b67. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0943804 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Schwanensang, Op. 11
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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    value: 0.142
  additional property: Energy
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    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.775
  additional property: Liveness
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    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.353
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rosamunde, D. 797: Hirtenchor
type: MusicRecording
duration: PT4M16S
duration ms: 256560
explicit: false
by artist: Franz Schubert
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Helmut Froschauer
in album: Choral Music (100 Masterpieces)
  type: MusicAlbum
  date published: 2007-01-01
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: USB8U1014777
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:30:08+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x784451057ddc6dea8868337722452a0f45251498b19b557f5d3cb8461effea31
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/USB8U1014777
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x784451057ddc6dea8868337722452a0f45251498b19b557f5d3cb8461effea31. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1014777 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Rosamunde, D. 797: Hirtenchor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.869
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    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
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.05
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.46
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Lohengrin: Act I Scene 3: Nun sei bedankt, mein lieber Schwan! (Lohengrin)
type: MusicRecording
duration: PT5M17S
duration ms: 317946
explicit: false
by artist: Richard Wagner
by artist: Kwangchul Youn
by artist: Johan Botha
by artist: Adrianne Pieczonka
by artist: Falk Struckmann
by artist: Petra Lang
by artist: Eike Wilm-Schulte
by artist: Prague Chamber Chorus
by artist: North German Radio Chorus
by artist: Cologne West German Radio Chorus
by artist: Cologne West German Radio Orchestra
by artist: Semyon Bychkov
in album: Wagner, R.: Lohengrin [Opera]
  type: MusicAlbum
  date published: 2009-05-01
popularity: 1
genre: classical
genre: opera
isrc code: DEAD60900408
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:10:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1979e55ccc4f206ba5fe163431ff570d109092a1574799adec5a43db7650449c
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/DEAD60900408
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1979e55ccc4f206ba5fe163431ff570d109092a1574799adec5a43db7650449c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD60900408 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Lohengrin: Act I Scene 3: Nun sei bedankt, mein lieber Schwan! (Lohengrin)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.6
  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: 0.197
  additional property: Energy
    type: PropertyValue
    value: 0.021
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.203
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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