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subject of: OpenTimestamps Proof of Existence
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album: MASCAGNI: L'AMICO FRITZ
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album: Igor Markevitch in Italy (Live)
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    by artist: Coro di Torino della RAI
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-06-13T13:32:09Z
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T20:22:46Z
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track: Verdi: La traviata, Act 1: "Ah, fors’è lui che l’anima" (Violetta)
track: Verdi: La traviata, Act 1: "Follie! Follie! Delirio vano è questo!" (Violetta)
track: Verdi: La traviata, Act 1: "Sempre libera" (Violetta, Alfredo)
track: Verdi: La traviata, Act 3: "Addio, del passato bei sogni ridenti" (Violetta)
track: Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
track: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
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track: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
track: Verdi : Luisa Miller : Act 2 "Quando le sere al placido" [ Rodolfo]
track: Verdi: La traviata, Act 1: "È strano! È strano!" (Violetta)

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ROSSINI: LE COMTE ORY
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Verdi: La traviata, Act 1: "Ah, fors’è lui che l’anima" (Violetta)
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by artist: Gabriele Santini
by artist: Orchestra Sinfonica Di Torino Della Rai
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popularity: 17
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Verdi: La traviata, Act 1: "Follie! Follie! Delirio vano è questo!" (Violetta)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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subject of: OpenTimestamps Proof of Existence
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Verdi: La traviata, Act 3: "Addio, del passato bei sogni ridenti" (Violetta)
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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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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 0xfc5a5fc1b70dd434250440a1f8d192e199124e43b41b060dca58ce48ffed1ce9. 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/GBAYC1450150 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Verdi: La traviata, Act 3: "Addio, del passato bei sogni ridenti" (Violetta)
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Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
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duration: PT5M17S
duration ms: 317893
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Orchestra Sinfonica della RAI de Torino
by artist: Herbert von Karajan
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 12
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF054202041
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
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Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
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duration: PT6M18S
duration ms: 378466
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Orchestra Sinfonica della RAI de Torino
by artist: Herbert von Karajan
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 10
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF054202051
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
  type: PropertyValue
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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 0xd04ebfe5f4b8e1b98dc59149dad4da73ddfba2d233f6c12a16967a8120f3a260. 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/DEF054202051 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): I. Molto allegro
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Symphony No. 35 in D Major, K. 385 "Haffner": II. Andante
type: MusicRecording
duration: PT4M28S
duration ms: 268866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Orchestra Sinfonica della RAI de Torino
by artist: Herbert von Karajan
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 9
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF054202042
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: OTSVerificationAPI
  type: PropertyValue
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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 0x6a26b21164510da3f106242d0fa829edc2e94716b3fdb1fc8956cb84ac5dd212. 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/DEF054202042 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
audio: Symphony No. 35 in D Major, K. 385 "Haffner": II. Andante
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Symphony No. 35 in D Major, K. 385 "Haffner": III. Menuetto
type: MusicRecording
duration: PT3M14S
duration ms: 194226
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Orchestra Sinfonica della RAI de Torino
by artist: Herbert von Karajan
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 9
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF054202043
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: 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 0xca54b7bbe721fb6d6fe431fcf32e853ac52d18debfe1f248461cd9856dc5a9cb. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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/DEF054202043 — a six-check JSON result.
  date published: 2026-07-31T19:53:57Z
audio: Symphony No. 35 in D Major, K. 385 "Haffner": III. Menuetto
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Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
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duration: PT8M2S
duration ms: 482200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Orchestra Sinfonica della RAI de Torino
by artist: Herbert von Karajan
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Karajan A-Z: Mozart
  type: MusicAlbum
  date published: 2024-07-12
popularity: 8
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: DEF054202052
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/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF054202052
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 0x4fd0373d25a020491e11b87b729f94c32e1762ddfb67023f030d434120c1323b. 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/DEF054202052 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 40 in G Minor, K. 550 (1st Version, No Clarinets): II. Andante
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Verdi : Luisa Miller : Act 2 "Quando le sere al placido" [ Rodolfo]
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duration: PT3M41S
duration ms: 221000
explicit: false
by artist: Giuseppe Verdi
by artist: Arturo Basile
by artist: Ferruccio Tagliavini
by artist: Mario Rossi
by artist: Orchestra Sinfonica Di Torino Della Rai
in album: Collection: Giuseppe Verdi
  type: MusicAlbum
  date published: 2013-07-16
popularity: 2
genre: classical
genre: opera
isrc code: ITD014801663
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
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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Verdi: La traviata, Act 1: "È strano! È strano!" (Violetta)
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