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album: Phases
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  track: Different Trains: America—Before the war
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  track: You Are (Variations): I. You are wherever your thoughts are
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  track: Come Out
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  track: Music for Mallet Instruments, Voices and Organ
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  track: Music for 18 Musicians: Pulses
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  track: Different Trains: Europe—During the war
  track: You Are (Variations): II. Shiviti Hashem l'negdi (I place the Eternal before me)
  track: Proverb
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  track: Music for 18 Musicians: Section I
  track: Different Trains: After the war
  track: You Are (Variations): III. Explanations come to an end somewhere
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  track: You Are (Variations): IV. Ehmor m’aht, v’ahsay harbay (Say little and do much)
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  track: Music for 18 Musicians: Section IX
  track: Triple Quartet: First Movement
  track: Music for 18 Musicians: Section X
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  track: Music for 18 Musicians: Section XI
  track: Triple Quartet: Third Movement
  track: Music for 18 Musicians: Pulses II
album: Reich: Sextet - Clapping Music - Music for Pieces of Wood
album: Patterns in Motion - The Great Minimalists, Vol. II
track: Duet
track: Music for Mallet Instruments, Voices and Organ
track: Music for pieces of wood
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track: Music for 18 Musicians: Pulses
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track: Sextet: I. Crotchet = 192
track: Music for 18 Musicians: Section V
track: Music for 18 Musicians: Section VI
track: Music for 18 Musicians: Section VII
track: Music for 18 Musicians: Section VIII
track: Electric Counterpoint: I. Fast
track: Electric Counterpoint: III. Fast
track: Music for 18 Musicians: Section IX
track: Music for 18 Musicians: Section X

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OpenTimestamps Proof of Existence
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Different Trains: Europe—During the war
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You Are (Variations): II. Shiviti Hashem l'negdi (I place the Eternal before me)
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Proverb
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Drumming: Pt. I
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subject of: OpenTimestamps Proof of Existence
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Music for 18 Musicians: Section I
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subject of: OpenTimestamps Proof of Existence
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Different Trains: After the war
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You Are (Variations): III. Explanations come to an end somewhere
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The Desert Music: First Movement (Fast)
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Drumming: Pt. II
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subject of: OpenTimestamps Proof of Existence
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Music for 18 Musicians: Section II
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subject of: OpenTimestamps Proof of Existence
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Tehillim, Pt. I (Fast)
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subject of: OpenTimestamps Proof of Existence
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You Are (Variations): IV. Ehmor m’aht, v’ahsay harbay (Say little and do much)
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The Desert Music: Second Movement (Moderate)
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Drumming: Pt. III
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Music for 18 Musicians: Section IIIA
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Tehillim, Pt. II (Fast)
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New York Counterpoint: I. Fast
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subject of: OpenTimestamps Proof of Existence
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The Desert Music: Third Movement, Pt. 1 (Slow)
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Drumming: Pt. IV
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Music for 18 Musicians: Section IIIB
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subject of: OpenTimestamps Proof of Existence
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Tehillim, Pt. III (Slow)
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New York Counterpoint: II. Slow
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subject of: OpenTimestamps Proof of Existence
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The Desert Music: Third Movement, Pt. 2 (Moderate)
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Music for 18 Musicians: Section IV
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Tehillim, Pt. IV (Fast)
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New York Counterpoint: III. Fast
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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 0xe1a713a74e77f980b6a852bed51365766311e5c90e4982ed454357c4362d2bae. 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/3jIRgK4lY9vZe27ANLvpDz.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/3jIRgK4lY9vZe27ANLvpDz.
  date published: 2026-07-08T03:22:41Z
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The Desert Music: Third Movement, Pt. 3 (Slow)
type: MusicRecording
duration: PT5M54S
duration ms: 354706
explicit: false
by artist: Steve Reich
by artist: Brooklyn Philharmonic and Chorus
by artist: Michael Tilson Thomas
by artist: Brooklyn Philharmonic
in album: Phases
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Music for 18 Musicians: Section V
type: MusicRecording
duration: PT6M48S
duration ms: 408733
explicit: false
by artist: Steve Reich
in album: Phases
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isrc code: USN019745108
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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Eight Lines (Octet)
type: MusicRecording
duration: PT17M36S
duration ms: 1056133
explicit: false
by artist: Steve Reich
by artist: Bang On A Can All-Stars
by artist: Brad Lubman
in album: Phases
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/track/3u0mKDsmKuewyvUW4vteyM.json
additional property: OTSVerificationAPI
  type: PropertyValue
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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 0x0786c6e1cae0dd31f8c8ba8a1ba785887fb524805f3dd1a03667a25a18ee7a2b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3u0mKDsmKuewyvUW4vteyM.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/3u0mKDsmKuewyvUW4vteyM.
  date published: 2026-07-08T03:20:19Z
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Cello Counterpoint
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by artist: Steve Reich
by artist: Maya Beiser
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The Desert Music: Fourth Movement (Moderate)
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duration ms: 215226
explicit: false
by artist: Steve Reich
by artist: Brooklyn Philharmonic and Chorus
by artist: Michael Tilson Thomas
by artist: Brooklyn Philharmonic
in album: Phases
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Music for 18 Musicians: Section VI
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by artist: Steve Reich
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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Electric Counterpoint: I. Fast
type: MusicRecording
duration: PT6M51S
duration ms: 411306
explicit: false
by artist: Steve Reich
by artist: Pat Metheny
in album: Phases
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isrc code: USNO18917604
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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The Desert Music: Fifth Movement (Fast)
type: MusicRecording
duration: PT10M47S
duration ms: 647640
explicit: false
by artist: Steve Reich
by artist: Brooklyn Philharmonic and Chorus
by artist: Michael Tilson Thomas
by artist: Brooklyn Philharmonic
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18

Music for 18 Musicians: Section VII
type: MusicRecording
duration: PT4M19S
duration ms: 259040
explicit: false
by artist: Steve Reich
in album: Phases
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isrc code: USN019745110
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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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 0xa10ca2bb1d2ca53f63495d0d47d542d26e1a7a4ce0f7b0b2ba088d14073930e7. 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/49STWHRKNzncd3Ul2e3lWU.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/49STWHRKNzncd3Ul2e3lWU.
  date published: 2026-07-08T03:22:41Z
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Electric Counterpoint: II. Slow
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by artist: Steve Reich
by artist: Pat Metheny
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isrc code: USNO18917605

Music for 18 Musicians: Section VIII
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duration: PT3M34S
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by artist: Steve Reich
in album: Phases
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isrc code: USN019745111
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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 0xea17f5596adc38f9f972737557a1027b4debfbda7cc4d2d078893e6a9827da6d. 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/15seNa0RTuUkBufGz3O4ae.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/15seNa0RTuUkBufGz3O4ae.
  date published: 2026-07-08T03:22:41Z
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Electric Counterpoint: III. Fast
type: MusicRecording
duration: PT4M30S
duration ms: 270200
explicit: false
by artist: Steve Reich
by artist: Pat Metheny
in album: Phases
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isrc code: USNO18917606

Music for 18 Musicians: Section IX
type: MusicRecording
duration: PT5M23S
duration ms: 323840
explicit: false
by artist: Steve Reich
in album: Phases
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isrc code: USN019745112
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: OTSRecordURL
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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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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 0x3dc4a8cab5d48936b65a0d3b7ee884d1fdcb16215e46ea8d6ba92d2e12143081. 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/7diB8C7FvYNQ2MfacCJgxv.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/7diB8C7FvYNQ2MfacCJgxv.
  date published: 2026-07-08T03:22:41Z
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Triple Quartet: First Movement
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by artist: Steve Reich
by artist: Kronos Quartet
in album: Phases
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Music for 18 Musicians: Section X
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by artist: Steve Reich
in album: Phases
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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: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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Triple Quartet: Second Movement
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by artist: Kronos Quartet
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Music for 18 Musicians: Section XI
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by artist: Steve Reich
in album: Phases
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e94e7cece9bdf2af20660a092a7eac8db7d05a4fb5da1b53ff9f02663e03afa. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0iYegQ5ZWIVU7EMuXEuoGz.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/0iYegQ5ZWIVU7EMuXEuoGz.
  date published: 2026-07-08T03:20:19Z
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Triple Quartet: Third Movement
type: MusicRecording
duration: PT3M28S
duration ms: 208200
explicit: false
by artist: Steve Reich
by artist: Kronos Quartet
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18

Music for 18 Musicians: Pulses II
type: MusicRecording
duration: PT6M10S
duration ms: 370773
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
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isrc code: USN019745115
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/957118
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7GrYAuc2JJL7oeFPTEWmf2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7GrYAuc2JJL7oeFPTEWmf2
additional property: OTSTimestamp
  type: PropertyValue
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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 0xa955e3de0f8dd1cb8eedf1262e6d0d61bd0e6fd7c51cf02716561567017b2fed. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7GrYAuc2JJL7oeFPTEWmf2.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/7GrYAuc2JJL7oeFPTEWmf2.
  date published: 2026-07-08T03:20:19Z
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Reich: Sextet - Clapping Music - Music for Pieces of Wood
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date published: 2016-06-10
track: Clapping Music
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  by artist: LSO Percussion Ensemble
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    type: MusicAlbum
    date published: 2016-06-10
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  additional property: OTSBitcoinBlock
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    type: PropertyValue
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  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1TFc40NC41tun760JkbZ6s.json
  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1TFc40NC41tun760JkbZ6s
  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 0x4ac400beed0d365f381180ed2e319a4ab97136b033a4b4f8e6378ff7c34a604f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1TFc40NC41tun760JkbZ6s.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/1TFc40NC41tun760JkbZ6s.
    date published: 2026-07-02T11:38:34Z
    text: {"copyright_id":"0x4ac400beed0d365f381180ed2e319a4ab97136b033a4b4f8e6378ff7c34a604f","isrc":"GBDGQ1607201","name":"Music for pieces of wood","registered_at":"2026-06-25T14:34:38Z","spotify_id":"1TFc40NC41tun760JkbZ6s","type":"track"}
track: Sextet: I. Crotchet = 192
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  by artist: Steve Reich
  by artist: LSO Percussion Ensemble
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    type: MusicAlbum
    date published: 2016-06-10
  isrc code: GBDGQ1607301
track: Sextet: II. Crotchet = 96
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  duration: PT4M32S
  duration ms: 272466
  explicit: false
  by artist: Steve Reich
  by artist: LSO Percussion Ensemble
  in album: Reich: Sextet - Clapping Music - Music for Pieces of Wood
    type: MusicAlbum
    date published: 2016-06-10
  isrc code: GBDGQ1607302
track: Sextet: III. Crotchet = 64
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  explicit: false
  by artist: Steve Reich
  by artist: LSO Percussion Ensemble
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track: Sextet: IV. Crotchet = 96
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  explicit: false
  by artist: Steve Reich
  by artist: LSO Percussion Ensemble
  in album: Reich: Sextet - Clapping Music - Music for Pieces of Wood
    type: MusicAlbum
    date published: 2016-06-10
track: Sextet: V. Crotchet = 192
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  by artist: Steve Reich
  by artist: LSO Percussion Ensemble
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Patterns in Motion - The Great Minimalists, Vol. II
type: MusicAlbum
date published: 2026-03-12

Duet
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duration: PT4M56S
duration ms: 296237
explicit: false
by artist: Steve Reich
by artist: Daniel Hope
by artist: Simos Papanas
by artist: Kammerorchester Basel
in album: My Tribute To Yehudi Menuhin
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isrc code: DEN961501280
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/track/6I7QkvNdkndJ2ek17Evmg3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6I7QkvNdkndJ2ek17Evmg3
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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 0xf9edd46090406ea0415161ab554c3c74baaa88aa012a032ef77f57c54384f6d3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6I7QkvNdkndJ2ek17Evmg3.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/6I7QkvNdkndJ2ek17Evmg3.
  date published: 2026-06-13T15:41:10Z

Music for Mallet Instruments, Voices and Organ
type: MusicRecording
duration: PT16M58S
duration ms: 1018773
explicit: false
by artist: Steve Reich
in album: Phases
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  date published: 2006-09-18
isrc code: USNO19022005
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/953536
additional property: OTSRecordURL
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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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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 0x952532becb5ba420fadf6f9400b58c9d577725f0d60348bac3c323040173c995. 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/4lxunSFYkcTdsbxwg2Vpzx.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/4lxunSFYkcTdsbxwg2Vpzx.
  date published: 2026-06-13T17:25:41Z
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Music for pieces of wood
type: MusicRecording
duration: PT11M41S
duration ms: 701666
explicit: false
by artist: Steve Reich
by artist: LSO Percussion Ensemble
in album: Reich: Sextet - Clapping Music - Music for Pieces of Wood
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isrc code: GBDGQ1607201
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: 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 0x4ac400beed0d365f381180ed2e319a4ab97136b033a4b4f8e6378ff7c34a604f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1TFc40NC41tun760JkbZ6s.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/1TFc40NC41tun760JkbZ6s.
  date published: 2026-07-02T11:38:34Z
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New York Counterpoint: I. Fast
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duration: PT5M3S
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by artist: Steve Reich
by artist: Evan Ziporyn
in album: Phases
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-02T11:38:34Z
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Music for 18 Musicians: Pulses
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0x823c3c30e5351f12f6eff34b1aefefa34f24edbf73c167fc3280f93110cccbd6","isrc":"USN019745102","name":"Music for 18 Musicians: Pulses","registered_at":"2026-06-06T03:42:42Z","spotify_id":"3RT8IcDHYsBLPXlqxZX0Zn","type":"track"}
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 0x823c3c30e5351f12f6eff34b1aefefa34f24edbf73c167fc3280f93110cccbd6. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3RT8IcDHYsBLPXlqxZX0Zn.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/3RT8IcDHYsBLPXlqxZX0Zn.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x823c3c30e5351f12f6eff34b1aefefa34f24edbf73c167fc3280f93110cccbd6","isrc":"USN019745102","name":"Music for 18 Musicians: Pulses","registered_at":"2026-06-06T03:42:42Z","spotify_id":"3RT8IcDHYsBLPXlqxZX0Zn","type":"track"}

Clapping Music
type: MusicRecording
duration: PT3M36S
duration ms: 216786
explicit: false
by artist: Steve Reich
by artist: LSO Percussion Ensemble
in album: Reich: Sextet - Clapping Music - Music for Pieces of Wood
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  date published: 2016-06-10
isrc code: GBDGQ1607101

Music for 18 Musicians: Section I
type: MusicRecording
duration: PT3M58S
duration ms: 238506
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T16:42:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4d84166073ff47d4cb6b69e3dadec91797402f53ec1ec739ccc08670236942ed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3z8VqidPlzvXfslOJ6cZqI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3z8VqidPlzvXfslOJ6cZqI
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4d84166073ff47d4cb6b69e3dadec91797402f53ec1ec739ccc08670236942ed","isrc":"USN019745103","name":"Music for 18 Musicians: Section I","registered_at":"2026-06-06T16:42:01Z","spotify_id":"3z8VqidPlzvXfslOJ6cZqI","type":"track"}
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 0x4d84166073ff47d4cb6b69e3dadec91797402f53ec1ec739ccc08670236942ed. 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/3z8VqidPlzvXfslOJ6cZqI.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/3z8VqidPlzvXfslOJ6cZqI.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x4d84166073ff47d4cb6b69e3dadec91797402f53ec1ec739ccc08670236942ed","isrc":"USN019745103","name":"Music for 18 Musicians: Section I","registered_at":"2026-06-06T16:42:01Z","spotify_id":"3z8VqidPlzvXfslOJ6cZqI","type":"track"}

Music for 18 Musicians: Section II
type: MusicRecording
duration: PT5M13S
duration ms: 313093
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T07:09:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd74916bd2870f9a60f0779076a47464aede9f8d0f4708a87aae92004469c3eac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3n8rjjOMlbMHrJRaXKpYAI.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3n8rjjOMlbMHrJRaXKpYAI
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 0xd74916bd2870f9a60f0779076a47464aede9f8d0f4708a87aae92004469c3eac. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3n8rjjOMlbMHrJRaXKpYAI.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/3n8rjjOMlbMHrJRaXKpYAI.
  date published: 2026-07-06T07:53:57Z
  text: {"copyright_id":"0xd74916bd2870f9a60f0779076a47464aede9f8d0f4708a87aae92004469c3eac","isrc":"USN019745104","name":"Music for 18 Musicians: Section II","registered_at":"2026-06-09T07:09:48Z","spotify_id":"3n8rjjOMlbMHrJRaXKpYAI","type":"track"}

Music for 18 Musicians: Section IIIA
type: MusicRecording
duration: PT3M55S
duration ms: 235120
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:28:50+00:00

Music for 18 Musicians: Section IIIB
type: MusicRecording
duration: PT3M48S
duration ms: 228813
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T03:14:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x073582a14f26af782086ae609c7463ebdc5dba04705f45299fe932fcc1244e9e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/26oyIa0gUZLLvymadyhkgE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26oyIa0gUZLLvymadyhkgE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x073582a14f26af782086ae609c7463ebdc5dba04705f45299fe932fcc1244e9e","isrc":"USN019745106","name":"Music for 18 Musicians: Section IIIB","registered_at":"2026-06-10T03:14:21Z","spotify_id":"26oyIa0gUZLLvymadyhkgE","type":"track"}
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 0x073582a14f26af782086ae609c7463ebdc5dba04705f45299fe932fcc1244e9e. 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/26oyIa0gUZLLvymadyhkgE.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/26oyIa0gUZLLvymadyhkgE.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x073582a14f26af782086ae609c7463ebdc5dba04705f45299fe932fcc1244e9e","isrc":"USN019745106","name":"Music for 18 Musicians: Section IIIB","registered_at":"2026-06-10T03:14:21Z","spotify_id":"26oyIa0gUZLLvymadyhkgE","type":"track"}

Music for 18 Musicians: Section IV
type: MusicRecording
duration: PT6M36S
duration ms: 396933
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T23:59:07+00:00

Sextet: I. Crotchet = 192
type: MusicRecording
duration: PT11M8S
duration ms: 668506
explicit: false
by artist: Steve Reich
by artist: LSO Percussion Ensemble
in album: Reich: Sextet - Clapping Music - Music for Pieces of Wood
  type: MusicAlbum
  date published: 2016-06-10
isrc code: GBDGQ1607301

Music for 18 Musicians: Section V
type: MusicRecording
duration: PT6M48S
duration ms: 408733
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T00:11:20+00:00

Music for 18 Musicians: Section VI
type: MusicRecording
duration: PT4M54S
duration ms: 294200
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T04:46:55+00:00

Music for 18 Musicians: Section VII
type: MusicRecording
duration: PT4M19S
duration ms: 259040
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T23:59:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa10ca2bb1d2ca53f63495d0d47d542d26e1a7a4ce0f7b0b2ba088d14073930e7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/49STWHRKNzncd3Ul2e3lWU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/49STWHRKNzncd3Ul2e3lWU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa10ca2bb1d2ca53f63495d0d47d542d26e1a7a4ce0f7b0b2ba088d14073930e7","isrc":"USN019745110","name":"Music for 18 Musicians: Section VII","registered_at":"2026-06-20T23:59:47Z","spotify_id":"49STWHRKNzncd3Ul2e3lWU","type":"track"}
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 0xa10ca2bb1d2ca53f63495d0d47d542d26e1a7a4ce0f7b0b2ba088d14073930e7. 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/49STWHRKNzncd3Ul2e3lWU.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/49STWHRKNzncd3Ul2e3lWU.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0xa10ca2bb1d2ca53f63495d0d47d542d26e1a7a4ce0f7b0b2ba088d14073930e7","isrc":"USN019745110","name":"Music for 18 Musicians: Section VII","registered_at":"2026-06-20T23:59:47Z","spotify_id":"49STWHRKNzncd3Ul2e3lWU","type":"track"}

Music for 18 Musicians: Section VIII
type: MusicRecording
duration: PT3M34S
duration ms: 214826
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T00:08:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea17f5596adc38f9f972737557a1027b4debfbda7cc4d2d078893e6a9827da6d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/15seNa0RTuUkBufGz3O4ae.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/15seNa0RTuUkBufGz3O4ae
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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 0xea17f5596adc38f9f972737557a1027b4debfbda7cc4d2d078893e6a9827da6d. 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/15seNa0RTuUkBufGz3O4ae.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/15seNa0RTuUkBufGz3O4ae.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0xea17f5596adc38f9f972737557a1027b4debfbda7cc4d2d078893e6a9827da6d","isrc":"USN019745111","name":"Music for 18 Musicians: Section VIII","registered_at":"2026-06-21T00:08:35Z","spotify_id":"15seNa0RTuUkBufGz3O4ae","type":"track"}

Electric Counterpoint: I. Fast
type: MusicRecording
duration: PT6M51S
duration ms: 411306
explicit: false
by artist: Steve Reich
by artist: Pat Metheny
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USNO18917604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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Electric Counterpoint: III. Fast
type: MusicRecording
duration: PT4M30S
duration ms: 270200
explicit: false
by artist: Steve Reich
by artist: Pat Metheny
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USNO18917606

Music for 18 Musicians: Section IX
type: MusicRecording
duration: PT5M23S
duration ms: 323840
explicit: false
by artist: Steve Reich
in album: Phases
  type: MusicAlbum
  date published: 2006-09-18
isrc code: USN019745112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T22:30:36+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x3dc4a8cab5d48936b65a0d3b7ee884d1fdcb16215e46ea8d6ba92d2e12143081
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7diB8C7FvYNQ2MfacCJgxv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7diB8C7FvYNQ2MfacCJgxv
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 0x3dc4a8cab5d48936b65a0d3b7ee884d1fdcb16215e46ea8d6ba92d2e12143081. 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/7diB8C7FvYNQ2MfacCJgxv.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/7diB8C7FvYNQ2MfacCJgxv.
  date published: 2026-07-08T03:22:41Z
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Music for 18 Musicians: Section X
type: MusicRecording
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by artist: Steve Reich
in album: Phases
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  date published: 2006-09-18
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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