Morten Gunnar Larsen
type: MusicGroup
genre: classical piano
genre: ragtime
description: Morten Gunnar Larsen (born 1 October 1955) is a Norwegian jazz pianist and composer, well known for several ragtime and stride piano recordings and collaborations. Career Larsen studied classical p
popularity: 35
followers: 2480
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album: Classic Rags & Stomps
  type: MusicAlbum
  date published: 1975-11-27
album: Classic Rags & Stomps
  type: MusicAlbum
  date published: 1975-11-27
album: Echo of Spring
  type: MusicAlbum
  date published: 1983-01-01
album: Maple Leaf Rag
  type: MusicAlbum
  date published: 1990
album: Maple Leaf Rag
  type: MusicAlbum
  date published: 1990
album: Charleston Rag
  type: MusicAlbum
  date published: 1995
album: Charleston Rag
  type: MusicAlbum
  date published: 1995
album: Echo Of Spring
  type: MusicAlbum
  date published: 1997
album: Echo of Spring
  type: MusicAlbum
  date published: 1997
album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
  type: MusicAlbum
  date published: 1999-01-01
  track: The Cascades
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    by artist: Morten Gunnar Larsen
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      type: MusicAlbum
      date published: 1999-01-01
    genre: classical piano
    genre: ragtime
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    audio: The Cascades
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  track: Solace - A Mexican Serenade
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    by artist: Morten Gunnar Larsen
    in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
      type: MusicAlbum
      date published: 1999-01-01
    genre: classical piano
    genre: ragtime
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      date published: 2026-07-05T01:12:41Z
    audio: Solace - A Mexican Serenade
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  track: Scott Joplin's New Rag
  track: Echo of Spring
  track: Finger Buster
  track: The Ragtime Betty
  track: Kansas City Rag
  track: Dictys on 7th Avenue
  track: American Beauty Rag
  track: The Ragtime Nightingale
  track: Sensation
album: Rhapsody
album: Ragtime and Rhapsody
album: Ragtime And Rhapsody
album: Creole Connections
album: Sorgenfri

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Scott Joplin's New Rag
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duration: PT3M16S
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by artist: Morten Gunnar Larsen
in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
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  date published: 1999-01-01
genre: classical piano
genre: ragtime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-19T06:43:29Z
audio: Scott Joplin's New Rag
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Echo of Spring
type: MusicRecording
duration: PT4M43S
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explicit: false
by artist: Morten Gunnar Larsen
in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
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  date published: 1999-01-01
genre: classical piano
genre: ragtime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-03T09:04:44Z
audio: Echo of Spring
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Finger Buster
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in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
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  date published: 1999-01-01
genre: classical piano
genre: ragtime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-16T10:20:17Z
audio: Finger Buster
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The Ragtime Betty
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by artist: Morten Gunnar Larsen
in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
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  date published: 1999-01-01
genre: classical piano
genre: ragtime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T19:27:56Z
audio: The Ragtime Betty
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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: 0.497
  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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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Kansas City Rag
type: MusicRecording
duration: PT2M37S
duration ms: 157560
explicit: false
by artist: Morten Gunnar Larsen
in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
  type: MusicAlbum
  date published: 1999-01-01
genre: classical piano
genre: ragtime
isrc code: GBF079813060
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7b1f4b37499c6806f816e5e82f2666c4f3d92b0796bfe8bd06b85f6ca1232166
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958783
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079813060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T23:53:25Z
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 0x7b1f4b37499c6806f816e5e82f2666c4f3d92b0796bfe8bd06b85f6ca1232166. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:53:25Z), 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/GBF079813060.
  date published: 2026-07-19T23:53:25Z
audio: Kansas City Rag
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.812
  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: 0.479
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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    value: 0.99
  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Dictys on 7th Avenue
type: MusicRecording
duration: PT3M14S
duration ms: 194693
explicit: false
by artist: Morten Gunnar Larsen
in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
  type: MusicAlbum
  date published: 1999-01-01
genre: classical piano
genre: ragtime
isrc code: GBF079813080
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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  value: 958873
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958873
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079813080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T11:48:10Z
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 0xc5ec26a7f11d0359291d198ef0b184106e2c8c3673ece0cc6ba78b5fd4c24035. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/GBF079813080.
  date published: 2026-07-20T11:48:10Z
audio: Dictys on 7th Avenue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 8
  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
    type: PropertyValue
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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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American Beauty Rag
type: MusicRecording
duration: PT3M28S
duration ms: 208133
explicit: false
by artist: Morten Gunnar Larsen
in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
  type: MusicAlbum
  date published: 1999-01-01
genre: classical piano
genre: ragtime
isrc code: GBF079813100
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079813100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T04:47:21Z
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 0x67f3929ddedd3588b96e274d844deefcae7db9152eb3c1574883771895474cbc. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/GBF079813100.
  date published: 2026-07-05T04:47:21Z
audio: American Beauty Rag
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.274
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
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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
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
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The Ragtime Nightingale
type: MusicRecording
duration: PT4M18S
duration ms: 258733
explicit: false
by artist: Morten Gunnar Larsen
in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
  type: MusicAlbum
  date published: 1999-01-01
genre: classical piano
genre: ragtime
isrc code: GBF079813110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd9c3e9c33026a2391c914379e8e3838ddf7c327a0d181e155a06e00c928d0a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079813110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9c3e9c33026a2391c914379e8e3838ddf7c327a0d181e155a06e00c928d0a8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBF079813110.
  date published: 2026-07-02T16:51:38Z
audio: The Ragtime Nightingale
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.307
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.459
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.84
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.324
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.529
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sensation
type: MusicRecording
duration: PT2M46S
duration ms: 166760
explicit: false
by artist: Morten Gunnar Larsen
in album: Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
  type: MusicAlbum
  date published: 1999-01-01
genre: classical piano
genre: ragtime
isrc code: GBF079813120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T16:12:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9717f5555ebf3cdc887a9ea6a87dc2c6977399f3d9ba127a367554f71ecc9bb8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958316
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079813120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T23:06:40Z
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 0x9717f5555ebf3cdc887a9ea6a87dc2c6977399f3d9ba127a367554f71ecc9bb8. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:06:40Z), 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/GBF079813120.
  date published: 2026-07-16T23:06:40Z
audio: Sensation
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.377
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.514
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.864
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.896
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.014
  additional property: Key Name
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  additional property: Mode Name
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Fingerbreaker: Classics Of Ragtime And Early Jazz Piano
type: MusicAlbum
date published: 1999-01-01

Rhapsody
type: MusicAlbum
date published: 2000-11-28

Rhapsody
type: MusicAlbum
date published: 2000-11-28

Ragtime and Rhapsody
type: MusicAlbum
date published: 2005-10-05
track: Poor Katie Redd
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179653
  explicit: false
  by artist: Morten Gunnar Larsen
  in album: Ragtime and Rhapsody
    type: MusicAlbum
    date published: 2005-10-05
  genre: classical piano
  genre: ragtime
  isrc code: NOJMH0504100
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T08:06:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb657595c35027b25260341e98cf440b950e5a1dda31976f760ac420e69f0b207
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958126
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958126
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOJMH0504100
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T11:04:20Z
  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 0xb657595c35027b25260341e98cf440b950e5a1dda31976f760ac420e69f0b207. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T11:04:20Z), 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/NOJMH0504100.
    date published: 2026-07-15T11:04:20Z
  audio: Poor Katie Redd
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.414
    additional property: Energy
      type: PropertyValue
      value: 0.261
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.985
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.923
    additional property: Liveness
      type: PropertyValue
      value: 0.702
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.67
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.771
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
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Ragtime And Rhapsody
type: MusicAlbum
date published: 2005-10-05

Creole Connections
type: MusicAlbum
date published: 2014-12-22

Creole Connections
type: MusicAlbum
date published: 2014-12-22

Sorgenfri
type: MusicAlbum
date published: 2016-09-13

Sorgenfri
type: MusicAlbum
date published: 2016-09-13