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subject of: OpenTimestamps Proof of Existence
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album: Strauss: Concertante Works
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  track: Burleske in D Minor, TrV 145, AV 85
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  track: Duett-Concertino for Clarinet, Bassoon and Strings, TrV 293, AV 147: I. Allegro moderato
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  track: Duett-Concertino for Clarinet, Bassoon and Strings, TrV 293, AV 147: III. Rondo. Allegro ma non troppo
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  track: Romanze, TrV 80
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  track: Violin Concerto, TrV 110: I. Allegro
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  track: Violin Concerto, TrV 110: II. Lento, ma non troppo
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album: Webber: Invocation
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    subject of: OpenTimestamps Proof of Existence
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album: Virtuoso Violin
track: Shostakovich / Arr. Atovmyan: Suite from the Gadfly, Op. 97a: VIII. Romance
track: Schindler's List - Theme
track: Vaughan Williams: The Lark Ascending (Excerpt)
track: Spiegel im Spiegel
track: Shostakovich / Arr. Atovmyan: The Gadfly, Suite Op. 97a: No. 8 Romance
track: Fibich: Moods, Impressions and Souvenirs, Op. 41: No. 4, Poème (Arr. for Violin and Piano by Jan Kubelik)
track: Williams: Main Theme (From "Schindler's List")
track: Pärt: Spiegel im Spiegel
track: Pärt: Fratres (1980 Version for Violin and Piano)
track: Spiegel im Spiegel for violin and piano
track: Pärt: Tabula rasa: I. Ludus
track: Spiegel im Spiegel (Excerpt)
track: Pärt: Tabula rasa: II. Silentium

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value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaffa863322100abe5e438f7d1933f30ea7c6439270ed2f3270d6a2c690603186. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ghVYWW7GgWHvLA9Oj8mjx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ghVYWW7GgWHvLA9Oj8mjx.
date published: 2026-07-02T03:30:09Z
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Serenade for Strings: III. Elegy
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Invocation
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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Lento
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Three Spring Miniatures: I. Gossamer (A Little Waltz)
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Three Spring Miniatures: II. Willow Song (A Lament)
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Three Spring Miniatures: III. Tree Tops (A Toccatina)
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Aurora - Tone Poem For Orchestra
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Nocturne
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Love Divine, All Loves Excelling
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Benedictus
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Mass, "Princeps pacis": I. Kyrie
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Mass, "Princeps pacis": II. Gloria
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Mass, "Princeps pacis": III. Sanctus
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Mass, "Princeps pacis": IV. Benedictus
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Mass, "Princeps pacis": V. Agnus Dei
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Jesus, Dear Jesus
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Virtuoso Violin
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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Shostakovich / Arr. Atovmyan: Suite from the Gadfly, Op. 97a: VIII. Romance
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subject of: OpenTimestamps Proof of Existence
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Schindler's List - Theme
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subject of: OpenTimestamps Proof of Existence
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Vaughan Williams: The Lark Ascending (Excerpt)
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subject of: OpenTimestamps Proof of Existence
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Spiegel im Spiegel
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subject of: OpenTimestamps Proof of Existence
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Shostakovich / Arr. Atovmyan: The Gadfly, Suite Op. 97a: No. 8 Romance
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subject of: OpenTimestamps Proof of Existence
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Fibich: Moods, Impressions and Souvenirs, Op. 41: No. 4, Poème (Arr. for Violin and Piano by Jan Kubelik)
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf188baa16b32d013af8bb225343e2378e8132754ce8c041d65c4634e27149c4a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6qbUSet6rXR1UUbXKYgKdU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6qbUSet6rXR1UUbXKYgKdU.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xf188baa16b32d013af8bb225343e2378e8132754ce8c041d65c4634e27149c4a","isrc":"GBAYC9101122","name":"Fibich: Moods, Impressions and Souvenirs, Op. 41: No. 4, Poème (Arr. for Violin and Piano by Jan Kubelik)","registered_at":"2026-06-21T17:58:31Z","spotify_id":"6qbUSet6rXR1UUbXKYgKdU","type":"track"}

Williams: Main Theme (From "Schindler's List")
type: MusicRecording
duration: PT5M6S
duration ms: 306400
explicit: false
by artist: John Williams
by artist: Tasmin Little
by artist: Iain Sutherland
by artist: The New World Philharmonic
in album: 50 Best Classics
  type: MusicAlbum
  date published: 2010-02-26
isrc code: GBAYC9400241
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:03:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x908eaf6125cee02138b7535bdb453a3f37d73fb3f64f19c95c5670147e3f1efa
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/774YvCWhxkhYrmbQvhDS7Q.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/774YvCWhxkhYrmbQvhDS7Q
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x908eaf6125cee02138b7535bdb453a3f37d73fb3f64f19c95c5670147e3f1efa. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/774YvCWhxkhYrmbQvhDS7Q.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/774YvCWhxkhYrmbQvhDS7Q.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x908eaf6125cee02138b7535bdb453a3f37d73fb3f64f19c95c5670147e3f1efa","isrc":"GBAYC9400241","name":"Williams: Main Theme (From \"Schindler's List\")","registered_at":"2026-06-04T12:03:54Z","spotify_id":"774YvCWhxkhYrmbQvhDS7Q","type":"track"}

Pärt: Spiegel im Spiegel
type: MusicRecording
duration: PT8M14S
duration ms: 494760
explicit: false
by artist: Arvo Pärt
by artist: Tasmin Little
by artist: Martin Roscoe
in album: The Very Best of Arvo Part
  type: MusicAlbum
  date published: 2010-08-09
isrc code: GBAYD9300290
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:31:46+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x88878a52a6ebd3424eb87af88b2ed187383e7a2433b7852ae8ba801db0f2f177
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2SIxBgKmw7dDHedTpn8NxY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SIxBgKmw7dDHedTpn8NxY
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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88878a52a6ebd3424eb87af88b2ed187383e7a2433b7852ae8ba801db0f2f177. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SIxBgKmw7dDHedTpn8NxY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SIxBgKmw7dDHedTpn8NxY.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x88878a52a6ebd3424eb87af88b2ed187383e7a2433b7852ae8ba801db0f2f177","isrc":"GBAYD9300290","name":"Pärt: Spiegel im Spiegel","registered_at":"2026-06-04T15:31:46Z","spotify_id":"2SIxBgKmw7dDHedTpn8NxY","type":"track"}

Williams: Main Theme (From "Schindler's List")
type: MusicRecording
duration: PT5M6S
duration ms: 306400
explicit: false
by artist: John Williams
by artist: Tasmin Little
by artist: Iain Sutherland
by artist: The New World Philharmonic
in album: 100 Best Film Classics
  type: MusicAlbum
  date published: 2015-12-04
isrc code: GBAYC9400241
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:03:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x908eaf6125cee02138b7535bdb453a3f37d73fb3f64f19c95c5670147e3f1efa
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2tsBabCOJJqcHSxrvDmVhV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2tsBabCOJJqcHSxrvDmVhV
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x908eaf6125cee02138b7535bdb453a3f37d73fb3f64f19c95c5670147e3f1efa. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2tsBabCOJJqcHSxrvDmVhV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2tsBabCOJJqcHSxrvDmVhV.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x908eaf6125cee02138b7535bdb453a3f37d73fb3f64f19c95c5670147e3f1efa","isrc":"GBAYC9400241","name":"Williams: Main Theme (From \"Schindler's List\")","registered_at":"2026-06-04T12:03:54Z","spotify_id":"2tsBabCOJJqcHSxrvDmVhV","type":"track"}

Spiegel im Spiegel
type: MusicRecording
duration: PT8M19S
duration ms: 499333
explicit: false
by artist: Arvo Pärt
by artist: Martin Roscoe
by artist: Tasmin Little
in album: Relaxing Children's Classical
  type: MusicAlbum
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isrc code: GBAYD0300516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T11:24:07+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x4dcaf11dab5c7d0187fcb73499e97feeaceaa8e6308c568c74ac15286ea4108b
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956349
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0kVjEJ6DEn06n8DgWxwNQt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0kVjEJ6DEn06n8DgWxwNQt
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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dcaf11dab5c7d0187fcb73499e97feeaceaa8e6308c568c74ac15286ea4108b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0kVjEJ6DEn06n8DgWxwNQt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0kVjEJ6DEn06n8DgWxwNQt.
  date published: 2026-07-02T11:34:59Z
  text: {"copyright_id":"0x4dcaf11dab5c7d0187fcb73499e97feeaceaa8e6308c568c74ac15286ea4108b","isrc":"GBAYD0300516","name":"Spiegel im Spiegel","registered_at":"2026-06-24T11:24:07Z","spotify_id":"0kVjEJ6DEn06n8DgWxwNQt","type":"track"}

Spiegel im Spiegel
type: MusicRecording
duration: PT8M19S
duration ms: 499333
explicit: false
by artist: Arvo Pärt
by artist: Martin Roscoe
by artist: Tasmin Little
in album: Klassik 100 Meisterwerke: Klassik die man gehört haben muss
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isrc code: GBAYD0300516
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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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
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7y3p7yfPmwXjgCEfZVoJe8
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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dcaf11dab5c7d0187fcb73499e97feeaceaa8e6308c568c74ac15286ea4108b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7y3p7yfPmwXjgCEfZVoJe8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7y3p7yfPmwXjgCEfZVoJe8.
  date published: 2026-07-02T03:55:08Z
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Pärt: Spiegel im Spiegel
type: MusicRecording
duration: PT8M14S
duration ms: 494760
explicit: false
by artist: Arvo Pärt
by artist: Tasmin Little
by artist: Martin Roscoe
in album: The Sound of Arvo Pärt
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isrc code: GBAYD9300290
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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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
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3br3V3EAnkBFz66tfbx3MG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3br3V3EAnkBFz66tfbx3MG
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88878a52a6ebd3424eb87af88b2ed187383e7a2433b7852ae8ba801db0f2f177. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3br3V3EAnkBFz66tfbx3MG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3br3V3EAnkBFz66tfbx3MG.
  date published: 2026-07-08T03:22:41Z
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Shostakovich / Arr. Atovmyan: The Gadfly, Suite Op. 97a: No. 8 Romance
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duration: PT3M15S
duration ms: 195386
explicit: false
by artist: Dmitri Shostakovich
by artist: Tasmin Little
by artist: Piers Lane
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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Pärt: Fratres (1980 Version for Violin and Piano)
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duration: PT11M21S
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by artist: Arvo Pärt
by artist: Tasmin Little
by artist: Martin Roscoe
in album: The Very Best of Arvo Part
  type: MusicAlbum
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isrc code: GBAYD9300287
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
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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Spiegel im Spiegel
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Spiegel im Spiegel for violin and piano
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Pärt: Tabula rasa: I. Ludus
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Spiegel im Spiegel (Excerpt)
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Spiegel im Spiegel
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subject of: OpenTimestamps Proof of Existence
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Pärt: Tabula rasa: II. Silentium
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