CurtainUp MTK
type: MusicGroup
popularity: 30
followers: 5859
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xc77d97d486613def6cf9d02f7fd7826a6d416784e2dca4c3ed5cb60135999ab0
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2521d1be-bbed-41b0-9115-43869f4be7ef.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2521d1be-bbed-41b0-9115-43869f4be7ef.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2521d1be-bbed-41b0-9115-43869f4be7ef
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. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc77d97d486613def6cf9d02f7fd7826a6d416784e2dca4c3ed5cb60135999ab0. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2521d1be-bbed-41b0-9115-43869f4be7ef.json and https://artists.proofprofile.net/proofs/artist/2521d1be-bbed-41b0-9115-43869f4be7ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Contemporary Broadway Karaoke, Vol. 1 (Instrumental)
  type: MusicAlbum
  date published: 2020-07-10
album: Contemporary Broadway Karaoke, Vol. 1 (Instrumental)
  type: MusicAlbum
  date published: 2020-07-10
  track: In My Dreams (from Anastasia) - Instrumental
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213993
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    by artist: CurtainUp MTK
    in album: Contemporary Broadway Karaoke, Vol. 1 (Instrumental)
      type: MusicAlbum
      date published: 2020-07-10
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2051150
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x929f44bfb47e0fde29eecf8c3d0424597c9c22fac382ad2a41e53c599f3a7918. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2051150.
      date published: 2026-07-03T10:47:44Z
    audio: In My Dreams (from Anastasia) - Instrumental
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
        value: 0.948
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.891
      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
        type: PropertyValue
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      additional property: Loudness (dB)
        type: PropertyValue
        value: -19.938
      additional property: Key Name
        type: PropertyValue
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      additional property: Mode Name
        type: PropertyValue
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  track: Lifeboat (from Heathers: The Musical) - Instrumental
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    duration: PT1M48S
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    by artist: CurtainUp MTK
    in album: Contemporary Broadway Karaoke, Vol. 1 (Instrumental)
      type: MusicAlbum
      date published: 2020-07-10
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    additional property: CopyrightStatus
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      value: https://explorer.copyrightchains.com/tx/0xecdf5e02900dda790b4b22ce4aebde629b05ed9f2391ff0ffb019d3ee9bb505c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2051157
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecdf5e02900dda790b4b22ce4aebde629b05ed9f2391ff0ffb019d3ee9bb505c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2051157.
      date published: 2026-07-06T01:25:57Z
    audio: Lifeboat (from Heathers: The Musical) - Instrumental
      type: AudioObject
      additional property: Tempo (BPM)
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        value: 82.272
      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
        value: 0.4
      additional property: Energy
        type: PropertyValue
        value: 0.069
      additional property: Speechiness
        type: PropertyValue
        value: 0.055
      additional property: Acousticness
        type: PropertyValue
        value: 0.84
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.015
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.039
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: World Burn (from Mean Girls) - Instrumental
album: Contemporary Broadway Karaoke, Vol. 2 (Instrumental)
album: Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
album: Broadway Duets, Trios, and More Karaoke, Vol. 1 (Instrumental)
album: Offbeat and Off-Broadway Karaoke, Vol. 1 (Instrumental)
album: Contemporary Broadway Karaoke, Vol. 4 (Instrumental)
album: Contemporary Broadway Karaoke, Vol. 5 (Instrumental)
album: Offbeat and Off-Broadway Karaoke, Vol. 2 (Instrumental)
album: Mega-Musicals Karaoke, Vol. 1 (Instrumental)
album: Contemporary Broadway Karaoke, Vol. 6 (Instrumental)
album: Broadway Duets, Trios, and More Karaoke, Vol. 2 (Instrumental)
album: Contemporary Broadway Karaoke, Vol. 7 (Instrumental)
album: Classic Broadway Karaoke, Vol. 1 (Instrumental)
album: Mega-Musicals Karaoke, Vol. 2 (Instrumental)
album: 30/90 (from tick, tick... BOOM!) [Karaoke Instrumental]
album: If I Were a Man (from The Unofficial Bridgerton Musical) [Karaoke Instrumental]
album: Sing Sondheim Karaoke, Vol. 1 (Instrumental)
album: Contemporary Broadway Karaoke, Vol. 8 (Instrumental)
album: Tomorrow (from Annie) [Karaoke Instrumental]
album: You'll Be Back (from Hamilton) [Female Key] [Karaoke Instrumental]
album: Therapy (from tick, tick... BOOM!) [Karaoke Instrumental]
album: Burn for You (from The Unofficial Bridgerton Musical) [Karaoke Instrumental]
album: Waiting (from The Addams Family) [Karaoke Instrumental]
album: Beauty and the Beast (from Beauty and the Beast) [Karaoke Instrumental]
album: I Say No (from Heathers: The Musical) [Karaoke Instrumental]
album: Offbeat and Off-Broadway Karaoke, Vol. 3 (Instrumental)
album: Offbeat and Off-Broadway, Vol. 3
album: When I Grow Up (from Matilda) [Karaoke Instrumental]
album: Contemporary Broadway Karaoke, Vol. 9 (Instrumental)
album: Defying Gravity (from Wicked) [Karaoke Instrumental]
album: Broadway Duets, Trios, and More Karaoke, Vol. 3 (Instrumental)
album: Poor Unfortunate Souls (from The Little Mermaid) [Karaoke Instrumental]
album: Contemporary Broadway, Vol. 10 (Karaoke Instrumental)
album: What I Did for Love (from A Chorus Line) [Karaoke Instrumental]
album: Meant to Be Yours (from Heathers: The Musical) [Female Key] [Karaoke Instrumental]
album: Diva's Lament (Whatever Happened to My Part?) [from Monty Python's Spamalot] [Karaoke Instrumental]
album: Maybe This Time (from Cabaret) [Karaoke Instrumental]
album: Suddenly Seymour (from Little Shop of Horrors) [Karaoke Instrumental]
album: See, I'm Smiling (from The Last Five Years) [Karaoke Instrumental]
album: Chiquitita (from Mamma Mia!) [Karaoke Instrumental]
album: Apex Predator (from Mean Girls) [Karaoke Instrumental]
album: Classic Broadway Karaoke, Vol. 2 (Instrumental)
album: Maybe Love (from Shucked) [Karaoke Instrumental]
album: Contemporary Broadway Karaoke, Vol. 11 (Instrumental)
album: Sing Sondheim Karaoke, Vol. 2 (Instrumental)
album: My Days (from The Notebook) [Karaoke Instrumental]
album: Great Expectations (from The Outsiders) [Karaoke Instrumental]
album: My Green Light (from The Great Gatsby) [Karaoke Instrumental]
album: Beautiful Little Fool (from The Great Gatsby) [Karaoke Instrumental]
album: What Happens (from The Notebook) [Karaoke Instrumental]
album: What Is This Feeling? (from Wicked) [Karaoke Instrumental]
album: Popular (from Wicked) [Film Version] [Karaoke Instrumental]
album: Contemporary Broadway Karaoke, Vol. 12 (Instrumental)
album: As Long as You're Mine (from Wicked) [Karaoke Instrumental]
album: Fight for Me (from Heathers: The Musical) [Karaoke Instrumental]
album: Someone Else's Story (from Chess) (Karaoke Instrumental)
album: Rainbow High (from Evita) (Karaoke Instrumental)
album: All That Jazz (from Chicago) (Karaoke Instrumental)
album: One More Sleep 'til Christmas (from The Muppet Christmas Carol) (Karaoke Instrumental)

Loudness (dB)
type: PropertyValue
value: -17.675

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

World Burn (from Mean Girls) - Instrumental
type: MusicRecording
duration: PT3M23S
duration ms: 203451
explicit: false
by artist: CurtainUp MTK
in album: Contemporary Broadway Karaoke, Vol. 1 (Instrumental)
  type: MusicAlbum
  date published: 2020-07-10
isrc code: QZHNB2051159
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T16:06:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3fa314f4cc1e7d76655898b5756312a11590695e0a9214b8666972668022b3bb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2051159
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fa314f4cc1e7d76655898b5756312a11590695e0a9214b8666972668022b3bb. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2051159.
  date published: 2026-07-03T23:28:02Z
audio: World Burn (from Mean Girls) - Instrumental
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 177.357
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.237
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.53
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.789
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.024
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Contemporary Broadway Karaoke, Vol. 2 (Instrumental)
type: MusicAlbum
date published: 2020-07-17
track: What Baking Can Do (from Waitress) - Instrumental
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  duration: PT3M30S
  duration ms: 210905
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 2 (Instrumental)
    type: MusicAlbum
    date published: 2020-07-17
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T15:59:42+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xa1764f9f1a8b2a3d105bc2f93e182a071677f1900bc9abbcd9a5e766ad322366
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956551
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003914
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T21:18:05Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1764f9f1a8b2a3d105bc2f93e182a071677f1900bc9abbcd9a5e766ad322366. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003914.
    date published: 2026-07-03T21:18:05Z
  audio: What Baking Can Do (from Waitress) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.99
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.656
    additional property: Energy
      type: PropertyValue
      value: 0.352
    additional property: Speechiness
      type: PropertyValue
      value: 0.059
    additional property: Acousticness
      type: PropertyValue
      value: 0.274
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.894
    additional property: Liveness
      type: PropertyValue
      value: 0.08
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.565
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.165
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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track: Waving Through a Window (from Dear Evan Hansen) - Instrumental
  type: MusicRecording
  duration: PT3M57S
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  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 2 (Instrumental)
    type: MusicAlbum
    date published: 2020-07-17
  isrc code: QZK6Q2003915
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T06:07:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x836858117f7151633afdd7b61db822e8d2c26c18a24b63e8dc30dda50b6120cf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003915
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x836858117f7151633afdd7b61db822e8d2c26c18a24b63e8dc30dda50b6120cf. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003915.
    date published: 2026-07-04T11:19:20Z
  audio: Waving Through a Window (from Dear Evan Hansen) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.775
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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track: So Much Better (from Legally Blonde: The Musical) - Instrumental
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  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 2 (Instrumental)
    type: MusicAlbum
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  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003917
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: So Much Better (from Legally Blonde: The Musical) - Instrumental
track: Pulled (from The Addams Family) - Instrumental
track: I'd Rather Be Me (from Mean Girls) - Instrumental

OTSTimestamp
type: PropertyValue
value: 2026-07-20T02:43:11Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc43d7f9b269d2ca9e6d3ac4496cb475868b4344204697d020db5ee03fd519c0. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:43:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003917.
date published: 2026-07-20T02:43:11Z

So Much Better (from Legally Blonde: The Musical) - Instrumental
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Pulled (from The Addams Family) - Instrumental
type: MusicRecording
duration: PT2M58S
duration ms: 178351
explicit: false
by artist: CurtainUp MTK
in album: Contemporary Broadway Karaoke, Vol. 2 (Instrumental)
  type: MusicAlbum
  date published: 2020-07-17
isrc code: QZK6Q2003919
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003919
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T23:03:25Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0630842b7da6a7025ab823f48477cb17a27a24f3d14dca3a5a1ad9e75b558399. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003919.
  date published: 2026-07-04T23:03:25Z
audio: Pulled (from The Addams Family) - Instrumental
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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I'd Rather Be Me (from Mean Girls) - Instrumental
type: MusicRecording
duration: PT2M55S
duration ms: 175285
explicit: false
by artist: CurtainUp MTK
in album: Contemporary Broadway Karaoke, Vol. 2 (Instrumental)
  type: MusicAlbum
  date published: 2020-07-17
isrc code: QZK6Q2003924
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8df76a331ea8b2a711e9d1a0e58b1ebb88c972d88c7e1c71f8b2df9519637a23
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958544
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003924
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:14:37Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8df76a331ea8b2a711e9d1a0e58b1ebb88c972d88c7e1c71f8b2df9519637a23. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6Q2003924.
  date published: 2026-07-18T12:14:37Z
audio: I'd Rather Be Me (from Mean Girls) - Instrumental
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Contemporary Broadway Karaoke, Vol. 2 (Instrumental)
type: MusicAlbum
date published: 2020-07-17

Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
type: MusicAlbum
date published: 2020-09-01
track: Breathe (from In the Heights) - Instrumental
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  duration: PT4M3S
  duration ms: 243691
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
    type: MusicAlbum
    date published: 2020-09-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  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/956576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046640
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035e8bd6eb195985533b3b779128d6f3e9f51c605b30b61259cced222be735df. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046640.
    date published: 2026-07-04T02:06:47Z
  audio: Breathe (from In the Heights) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Freeze Your Brain (from Heathers: The Musical) - Instrumental
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  duration ms: 173869
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
    type: MusicAlbum
    date published: 2020-09-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfbbbff947c90af822e1eb17dcfb76ca5524ddacd3f45202580e28a31acb7f577
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958738
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046641
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbbbff947c90af822e1eb17dcfb76ca5524ddacd3f45202580e28a31acb7f577. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T16:08:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046641.
    date published: 2026-07-19T16:08:20Z
  audio: Freeze Your Brain (from Heathers: The Musical) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.533
    additional property: Energy
      type: PropertyValue
      value: 0.148
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.075
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.253
    additional property: Key Name
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      value: C#
    additional property: Mode Name
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track: Home (from Beetlejuice) - Instrumental
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227252
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
    type: MusicAlbum
    date published: 2020-09-01
  isrc code: QZK6J2046648
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T21:35:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x38c5e17f75329e028c667a7ddf9886701421fd47de26d28bc88e9cef305d8eef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958462
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046648
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Home (from Beetlejuice) - Instrumental
track: The Wizard and I (from Wicked) - Instrumental
track: Flowers (from Hadestown) - Instrumental
track: Watch What Happens (from Newsies) - Instrumental

OTSTimestamp
type: PropertyValue
value: 2026-07-17T23:17:53Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38c5e17f75329e028c667a7ddf9886701421fd47de26d28bc88e9cef305d8eef. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046648.
date published: 2026-07-17T23:17:53Z

Home (from Beetlejuice) - Instrumental
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 145.963
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.633
additional property: Energy
  type: PropertyValue
  value: 0.372
additional property: Speechiness
  type: PropertyValue
  value: 0.04
additional property: Acousticness
  type: PropertyValue
  value: 0.046
additional property: Instrumentalness
  type: PropertyValue
  value: 0.818
additional property: Liveness
  type: PropertyValue
  value: 0.068
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.096
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.116
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
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The Wizard and I (from Wicked) - Instrumental
type: MusicRecording
duration: PT5M10S
duration ms: 310495
explicit: false
by artist: CurtainUp MTK
in album: Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
  type: MusicAlbum
  date published: 2020-09-01
isrc code: QZK6J2046650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T21:19:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93685e55a9f75f4d7c3cc70b68ad6ad00ce913ea916aa2514e0371744051c485
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046650
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93685e55a9f75f4d7c3cc70b68ad6ad00ce913ea916aa2514e0371744051c485. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046650.
  date published: 2026-07-12T21:36:27Z
audio: The Wizard and I (from Wicked) - Instrumental
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.686
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.093
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.595
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Flowers (from Hadestown) - Instrumental
type: MusicRecording
duration: PT3M30S
duration ms: 210882
explicit: false
by artist: CurtainUp MTK
in album: Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
  type: MusicAlbum
  date published: 2020-09-01
isrc code: QZK6J2046651
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T23:30:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x352d42e5b19307f158fb27f4f3081b495f337f277c47e0c599f31fd2b8e0886b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958079
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958079
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046651
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T00:21:05Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x352d42e5b19307f158fb27f4f3081b495f337f277c47e0c599f31fd2b8e0886b. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046651.
  date published: 2026-07-15T00:21:05Z
audio: Flowers (from Hadestown) - Instrumental
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 85.926
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.897
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.11
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.579
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Watch What Happens (from Newsies) - Instrumental
type: MusicRecording
duration: PT3M7S
duration ms: 187174
explicit: false
by artist: CurtainUp MTK
in album: Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
  type: MusicAlbum
  date published: 2020-09-01
isrc code: QZK6J2046655
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T05:55:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c388e3c36fba4c43d6a5550820b0420d7051c0b4c6f3e7d6bcedecbfe510970
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046655
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c388e3c36fba4c43d6a5550820b0420d7051c0b4c6f3e7d6bcedecbfe510970. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6J2046655.
  date published: 2026-07-04T11:19:20Z
audio: Watch What Happens (from Newsies) - Instrumental
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.02
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.578
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.736
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.064
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.453
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.277
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Contemporary Broadway Karaoke, Vol. 3 (Instrumental)
type: MusicAlbum
date published: 2020-09-01

Broadway Duets, Trios, and More Karaoke, Vol. 1 (Instrumental)
type: MusicAlbum
date published: 2020-09-26

Broadway Duets, Trios, and More Karaoke, Vol. 1 (Instrumental)
type: MusicAlbum
date published: 2020-09-26
track: Candy Store (from Heathers: The Musical) - Instrumental
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173869
  explicit: false
  by artist: CurtainUp MTK
  in album: Broadway Duets, Trios, and More Karaoke, Vol. 1 (Instrumental)
    type: MusicAlbum
    date published: 2020-09-26
  isrc code: QZMEM2090419
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T15:23:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x131b770868d3db9a1e994fc3a4183250bcf3a3c5beb610413f5ca3f64c82a4bc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958601
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958601
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2090419
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T19:27:02Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131b770868d3db9a1e994fc3a4183250bcf3a3c5beb610413f5ca3f64c82a4bc. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2090419.
    date published: 2026-07-18T19:27:02Z
  audio: Candy Store (from Heathers: The Musical) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 142.022
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.653
    additional property: Energy
      type: PropertyValue
      value: 0.312
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.004
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.075
    additional property: Liveness
      type: PropertyValue
      value: 0.04
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.254
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.041
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Offbeat and Off-Broadway Karaoke, Vol. 1 (Instrumental)
type: MusicAlbum
date published: 2020-10-24

Offbeat and Off-Broadway Karaoke, Vol. 1 (Instrumental)
type: MusicAlbum
date published: 2020-10-24

Contemporary Broadway Karaoke, Vol. 4 (Instrumental)
type: MusicAlbum
date published: 2020-12-11
track: Popular (from Wicked) - Instrumental
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212435
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 4 (Instrumental)
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: QZNWY2035967
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T23:56:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xffbae5f44609c509fb09ea0d7f2a2ba667e280b9219619cea46e3d7746dd6b8f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958086
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958086
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2035967
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T02:55:47Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffbae5f44609c509fb09ea0d7f2a2ba667e280b9219619cea46e3d7746dd6b8f. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2035967.
    date published: 2026-07-15T02:55:47Z
  audio: Popular (from Wicked) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 177.123
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.507
    additional property: Energy
      type: PropertyValue
      value: 0.09
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.875
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.481
    additional property: Liveness
      type: PropertyValue
      value: 0.087
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.208
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.95
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Heart of Stone (from Six: The Musical) - Instrumental
  type: MusicRecording
  duration: PT5M7S
  duration ms: 307526
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 4 (Instrumental)
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: QZNWY2035969
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T16:00:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8d6b49a0f99412e0f1d1532afe64323a662ae1a12a620ebf69901a11e64e18f4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958169
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958169
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2035969
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T19:03:52Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d6b49a0f99412e0f1d1532afe64323a662ae1a12a620ebf69901a11e64e18f4. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T19:03:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2035969.
    date published: 2026-07-15T19:03:52Z
  audio: Heart of Stone (from Six: The Musical) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.948
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.572
    additional property: Energy
      type: PropertyValue
      value: 0.079
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.65
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.826
    additional property: Liveness
      type: PropertyValue
      value: 0.079
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.135
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.468
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Stupid with Love (from Mean Girls) - Instrumental
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178211
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 4 (Instrumental)
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: QZNWY2035970
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T06:59:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf63b949da2f053663cc4b0dde0f9d31cb00c1f42928e9c97b068d931341ccc2f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958842
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958842
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2035970
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Stupid with Love (from Mean Girls) - Instrumental
track: Monster (from Frozen: The Broadway Musical) - Instrumental

OTSTimestamp
type: PropertyValue
value: 2026-07-20T10:01:04Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf63b949da2f053663cc4b0dde0f9d31cb00c1f42928e9c97b068d931341ccc2f. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:01:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2035970.
date published: 2026-07-20T10:01:04Z

Stupid with Love (from Mean Girls) - Instrumental
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 121.993
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.764
additional property: Energy
  type: PropertyValue
  value: 0.306
additional property: Speechiness
  type: PropertyValue
  value: 0.076
additional property: Acousticness
  type: PropertyValue
  value: 0.372
additional property: Instrumentalness
  type: PropertyValue
  value: 0.19
additional property: Liveness
  type: PropertyValue
  value: 0.067
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.389
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.612
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Monster (from Frozen: The Broadway Musical) - Instrumental
type: MusicRecording
duration: PT3M42S
duration ms: 222952
explicit: false
by artist: CurtainUp MTK
in album: Contemporary Broadway Karaoke, Vol. 4 (Instrumental)
  type: MusicAlbum
  date published: 2020-12-11
isrc code: QZNWY2035972
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T23:21:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x966740c376633114e5f74ee3502ba784527fe79a3948ada143ba70055259d03e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958796
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958796
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2035972
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T02:23:28Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x966740c376633114e5f74ee3502ba784527fe79a3948ada143ba70055259d03e. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:23:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2035972.
  date published: 2026-07-20T02:23:28Z
audio: Monster (from Frozen: The Broadway Musical) - Instrumental
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.884
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Contemporary Broadway Karaoke, Vol. 4 (Instrumental)
type: MusicAlbum
date published: 2020-12-11

Contemporary Broadway Karaoke, Vol. 5 (Instrumental)
type: MusicAlbum
date published: 2021-01-16
track: When He Sees Me (from Waitress) - Instrumental
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224372
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 5 (Instrumental)
    type: MusicAlbum
    date published: 2021-01-16
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958357
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYZ2198588
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:33:42Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb6e24fe3bf32c825425430ce3fd395028d36a535e0551e4d0f28fa027428eff. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYZ2198588.
    date published: 2026-07-17T03:33:42Z
  audio: When He Sees Me (from Waitress) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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      value: 0.228
    additional property: Loudness (dB)
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      value: -17.509
    additional property: Key Name
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    additional property: Mode Name
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Contemporary Broadway Karaoke, Vol. 5 (Instrumental)
type: MusicAlbum
date published: 2021-01-16

Offbeat and Off-Broadway Karaoke, Vol. 2 (Instrumental)
type: MusicAlbum
date published: 2021-02-26

Offbeat and Off-Broadway Karaoke, Vol. 2 (Instrumental)
type: MusicAlbum
date published: 2021-02-26

Mega-Musicals Karaoke, Vol. 1 (Instrumental)
type: MusicAlbum
date published: 2021-03-30
track: On My Own (from Les Misérables) - Instrumental
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243232
  explicit: false
  by artist: CurtainUp MTK
  in album: Mega-Musicals Karaoke, Vol. 1 (Instrumental)
    type: MusicAlbum
    date published: 2021-03-30
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72125914
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c09081f866bbbbd4c73da06a5c504d482b03014c517334b4fbdfa6ce9fc46fa. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72125914.
    date published: 2026-07-03T08:56:35Z
  audio: On My Own (from Les Misérables) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: No Good Deed (from Wicked) - Instrumental
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214879
  explicit: false
  by artist: CurtainUp MTK
  in album: Mega-Musicals Karaoke, Vol. 1 (Instrumental)
    type: MusicAlbum
    date published: 2021-03-30
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72125916
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39c244eee3e2d2a6c5319ae40f0246e95fb637a9121c2b70598920d8436d196d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72125916.
    date published: 2026-07-06T07:16:32Z
  audio: No Good Deed (from Wicked) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Home (from Beauty and the Beast) - Instrumental
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  duration: PT3M2S
  duration ms: 182787
  explicit: false
  by artist: CurtainUp MTK
  in album: Mega-Musicals Karaoke, Vol. 1 (Instrumental)
    type: MusicAlbum
    date published: 2021-03-30
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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: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72125919
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Home (from Beauty and the Beast) - Instrumental
track: The Winner Takes It All (from Mamma Mia) - Instrumental

OTSTimestamp
type: PropertyValue
value: 2026-07-20T09:54:06Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f995c8371daa8531e2b15582cbc021a31d7d76df7b2415b5227ab287031113. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T09:54:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72125919.
date published: 2026-07-20T09:54:06Z

Home (from Beauty and the Beast) - Instrumental
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.498
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
  type: PropertyValue
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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The Winner Takes It All (from Mamma Mia) - Instrumental
type: MusicRecording
duration: PT4M17S
duration ms: 257760
explicit: false
by artist: CurtainUp MTK
in album: Mega-Musicals Karaoke, Vol. 1 (Instrumental)
  type: MusicAlbum
  date published: 2021-03-30
isrc code: QZES72125924
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
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72125924
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aefec5bf93c07455f9592fb1e8ed0678080f2e8d63bcc5a13cdd94bb1c0f338. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72125924.
  date published: 2026-07-06T07:16:32Z
audio: The Winner Takes It All (from Mamma Mia) - Instrumental
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.243
  additional property: Key Name
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  additional property: Mode Name
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Mega-Musicals Karaoke, Vol. 1 (Instrumental)
type: MusicAlbum
date published: 2021-03-30

Contemporary Broadway Karaoke, Vol. 6 (Instrumental)
type: MusicAlbum
date published: 2021-04-28
track: She Used to Be Mine (from Waitress) - Instrumental
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261396
  explicit: false
  by artist: CurtainUp MTK
  in album: Contemporary Broadway Karaoke, Vol. 6 (Instrumental)
    type: MusicAlbum
    date published: 2021-04-28
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafc95cd53f47a3180b6a81b77c1572f788cdf1c5c345ea08fc24d3e52ecc96a6. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42111677.
    date published: 2026-07-16T09:16:54Z
  audio: She Used to Be Mine (from Waitress) - Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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Contemporary Broadway Karaoke, Vol. 6 (Instrumental)
type: MusicAlbum
date published: 2021-04-28

Broadway Duets, Trios, and More Karaoke, Vol. 2 (Instrumental)
type: MusicAlbum
date published: 2021-07-06

Broadway Duets, Trios, and More Karaoke, Vol. 2 (Instrumental)
type: MusicAlbum
date published: 2021-07-06
track: It Won't Be Long Now (from In the Heights) - Instrumental
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  duration ms: 275167
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    type: MusicAlbum
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  additional property: OTSVerificationAPI
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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
  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d0900f621718d79e0c83914b59059319f3685c146dc7826a8017d9c9ce3d4a9. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T15:41:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2144244.
date published: 2026-07-19T15:41:28Z

One Day More (from Les Misérables) - Instrumental
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T01:26:17Z
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Contemporary Broadway Karaoke, Vol. 7 (Instrumental)
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Classic Broadway Karaoke, Vol. 1 (Instrumental)
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Classic Broadway Karaoke, Vol. 1 (Instrumental)
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Mega-Musicals Karaoke, Vol. 2 (Instrumental)
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Mega-Musicals Karaoke, Vol. 2 (Instrumental)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-12T22:25:04Z
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    date published: 2026-07-05T04:47:21Z
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30/90 (from tick, tick... BOOM!) [Karaoke Instrumental]
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If I Were a Man (from The Unofficial Bridgerton Musical) [Karaoke Instrumental]
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Sing Sondheim Karaoke, Vol. 1 (Instrumental)
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Sing Sondheim Karaoke, Vol. 1 (Instrumental)
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Contemporary Broadway Karaoke, Vol. 8 (Instrumental)
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-16T02:46:47Z
  audio: Naughty (from Matilda) - Instrumental
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    additional property: Valence (Positivity)
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Contemporary Broadway Karaoke, Vol. 8 (Instrumental)
type: MusicAlbum
date published: 2022-03-17

Tomorrow (from Annie) [Karaoke Instrumental]
type: MusicAlbum
date published: 2022-04-01

You'll Be Back (from Hamilton) [Female Key] [Karaoke Instrumental]
type: MusicAlbum
date published: 2022-04-05

You'll Be Back (from Hamilton) [Female Key] [Karaoke Instrumental]
type: MusicAlbum
date published: 2022-04-05

Therapy (from tick, tick... BOOM!) [Karaoke Instrumental]
type: MusicAlbum
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Burn for You (from The Unofficial Bridgerton Musical) [Karaoke Instrumental]
type: MusicAlbum
date published: 2022-04-12

Waiting (from The Addams Family) [Karaoke Instrumental]
type: MusicAlbum
date published: 2022-04-15

Beauty and the Beast (from Beauty and the Beast) [Karaoke Instrumental]
type: MusicAlbum
date published: 2022-04-29

Beauty and the Beast (from Beauty and the Beast) [Karaoke Instrumental]
type: MusicAlbum
date published: 2022-04-29

I Say No (from Heathers: The Musical) [Karaoke Instrumental]
type: MusicAlbum
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I Say No (from Heathers: The Musical) [Karaoke Instrumental]
type: MusicAlbum
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track: I Say No (from Heathers: The Musical) - Karaoke Instrumental
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T02:01:29Z
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Offbeat and Off-Broadway Karaoke, Vol. 3 (Instrumental)
type: MusicAlbum
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Offbeat and Off-Broadway, Vol. 3
type: MusicAlbum
date published: 2022-10-06

Offbeat and Off-Broadway Karaoke, Vol. 3 (Instrumental)
type: MusicAlbum
date published: 2022-10-06

When I Grow Up (from Matilda) [Karaoke Instrumental]
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When I Grow Up (from Matilda) [Karaoke Instrumental]
type: MusicAlbum
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track: When I Grow Up (from Matilda) - Karaoke Instrumental
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e6eaa137c34476056650c658e13128acca676d1d6172360b56d008054b6f994. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62203954.
    date published: 2026-07-19T15:36:35Z
  audio: When I Grow Up (from Matilda) - Karaoke Instrumental
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Contemporary Broadway Karaoke, Vol. 9 (Instrumental)
type: MusicAlbum
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Contemporary Broadway Karaoke, Vol. 9 (Instrumental)
type: MusicAlbum
date published: 2023-01-04

Defying Gravity (from Wicked) [Karaoke Instrumental]
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track: Defying Gravity (from Wicked) - Karaoke Instrumental
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T19:59:51Z
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Defying Gravity (from Wicked) [Karaoke Instrumental]
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Broadway Duets, Trios, and More Karaoke, Vol. 3 (Instrumental)
type: MusicAlbum
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track: Dead Girl Walking (from Heathers: The Musical) - Instrumental
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T04:34:46Z
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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track: In a Crowd of Thousands (from Anastasia) - Instrumental
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T18:48:28Z
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  subject of: OpenTimestamps Proof of Existence
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-20T07:09:26Z

I Know It's Today (from Shrek: The Musical) - Instrumental
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Broadway Duets, Trios, and More Karaoke, Vol. 3 (Instrumental)
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Poor Unfortunate Souls (from The Little Mermaid) [Karaoke Instrumental]
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Poor Unfortunate Souls (from The Little Mermaid) [Karaoke Instrumental]
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date published: 2023-07-03

Contemporary Broadway, Vol. 10 (Karaoke Instrumental)
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Contemporary Broadway, Vol. 10 (Karaoke Instrumental)
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  audio: Seventeen (from Heathers: The Musical) - Instrumental
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What I Did for Love (from A Chorus Line) [Karaoke Instrumental]
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What I Did for Love (from A Chorus Line) [Karaoke Instrumental]
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Meant to Be Yours (from Heathers: The Musical) [Female Key] [Karaoke Instrumental]
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Meant to Be Yours (from Heathers: The Musical) [Female Key] [Karaoke Instrumental]
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Diva's Lament (Whatever Happened to My Part?) [from Monty Python's Spamalot] [Karaoke Instrumental]
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Diva's Lament (Whatever Happened to My Part?) [from Monty Python's Spamalot] [Karaoke Instrumental]
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Maybe This Time (from Cabaret) [Karaoke Instrumental]
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Maybe This Time (from Cabaret) [Karaoke Instrumental]
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Suddenly Seymour (from Little Shop of Horrors) [Karaoke Instrumental]
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Suddenly Seymour (from Little Shop of Horrors) [Karaoke Instrumental]
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See, I'm Smiling (from The Last Five Years) [Karaoke Instrumental]
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See, I'm Smiling (from The Last Five Years) [Karaoke Instrumental]
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Chiquitita (from Mamma Mia!) [Karaoke Instrumental]
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Apex Predator (from Mean Girls) [Karaoke Instrumental]
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Apex Predator (from Mean Girls) [Karaoke Instrumental]
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Classic Broadway Karaoke, Vol. 2 (Instrumental)
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Classic Broadway Karaoke, Vol. 2 (Instrumental)
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Maybe Love (from Shucked) [Karaoke Instrumental]
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Contemporary Broadway Karaoke, Vol. 11 (Instrumental)
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Contemporary Broadway Karaoke, Vol. 11 (Instrumental)
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Sing Sondheim Karaoke, Vol. 2 (Instrumental)
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Sing Sondheim Karaoke, Vol. 2 (Instrumental)
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My Days (from The Notebook) [Karaoke Instrumental]
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My Days (from The Notebook) [Karaoke Instrumental]
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Great Expectations (from The Outsiders) [Karaoke Instrumental]
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Great Expectations (from The Outsiders) [Karaoke Instrumental]
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My Green Light (from The Great Gatsby) [Karaoke Instrumental]
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My Green Light (from The Great Gatsby) [Karaoke Instrumental]
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Beautiful Little Fool (from The Great Gatsby) [Karaoke Instrumental]
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Beautiful Little Fool (from The Great Gatsby) [Karaoke Instrumental]
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What Happens (from The Notebook) [Karaoke Instrumental]
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What Happens (from The Notebook) [Karaoke Instrumental]
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What Is This Feeling? (from Wicked) [Karaoke Instrumental]
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What Is This Feeling? (from Wicked) [Karaoke Instrumental]
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Popular (from Wicked) [Film Version] [Karaoke Instrumental]
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Popular (from Wicked) [Film Version] [Karaoke Instrumental]
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Contemporary Broadway Karaoke, Vol. 12 (Instrumental)
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Contemporary Broadway Karaoke, Vol. 12 (Instrumental)
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As Long as You're Mine (from Wicked) [Karaoke Instrumental]
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As Long as You're Mine (from Wicked) [Karaoke Instrumental]
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Fight for Me (from Heathers: The Musical) [Karaoke Instrumental]
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Fight for Me (from Heathers: The Musical) [Karaoke Instrumental]
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Someone Else's Story (from Chess) (Karaoke Instrumental)
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Rainbow High (from Evita) (Karaoke Instrumental)
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All That Jazz (from Chicago) (Karaoke Instrumental)
type: MusicAlbum
date published: 2025-11-10

One More Sleep 'til Christmas (from The Muppet Christmas Carol) (Karaoke Instrumental)
type: MusicAlbum
date published: 2025-11-14