Nathan Scott Madsen
type: MusicGroup
popularity: 8
followers: 225
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x0acb02af9a952a9aef53153df9771002b14ebaf9ebab135c992024f63fef6075
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. 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 0x0acb02af9a952a9aef53153df9771002b14ebaf9ebab135c992024f63fef6075. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5e0bba7-cd03-4497-96b1-58493ca6f25a.json and https://artists.proofprofile.net/proofs/artist/b5e0bba7-cd03-4497-96b1-58493ca6f25a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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album: Along This Path
  type: MusicAlbum
  date published: 2012-09-14
album: Fantasy's Edge
  type: MusicAlbum
  date published: 2014-10-28
album: Hot Tin Roof (Official Video Game Soundtrack)
  type: MusicAlbum
  date published: 2015-02-20
album: Spartan Fist Official Video Game Soundtrack
  type: MusicAlbum
  date published: 2018-05-15
album: Ascension
  type: MusicAlbum
  date published: 2021-05-11
album: The Night
  type: MusicAlbum
  date published: 2021-05-23
album: Memory
  type: MusicAlbum
  date published: 2021-05-29
album: At Dawn
  type: MusicAlbum
  date published: 2021-05-30
album: Raindrops
  type: MusicAlbum
  date published: 2021-06-01
album: Mysterious Temple
  type: MusicAlbum
  date published: 2021-06-05
album: Must You Go...
  type: MusicAlbum
  date published: 2021-06-06
album: SkateBIRD Official Video Game Soundtrack
  type: MusicAlbum
  date published: 2021-06-11
album: SkateBIRD Official Video Game Soundtrack
  type: MusicAlbum
  date published: 2021-06-11
album: Summer Sunsets
  type: MusicAlbum
  date published: 2021-06-14
album: Summer Sunsets
  type: MusicAlbum
  date published: 2021-06-14
album: It Was You, All Along
  type: MusicAlbum
  date published: 2021-07-06
album: A Realization
  type: MusicAlbum
  date published: 2021-08-28
album: Seeing the Veil
  type: MusicAlbum
  date published: 2021-10-23
album: The Walk
  type: MusicAlbum
  date published: 2021-10-24
album: Deciding Moment
  type: MusicAlbum
  date published: 2021-11-22
album: Train Ride At Night
  type: MusicAlbum
  date published: 2022-01-01
album: Unexplored Worlds
  type: MusicAlbum
  date published: 2022-01-27
album: Press Start! Video Game Music Covers
  type: MusicAlbum
  date published: 2022-02-08
  track: Marble Zone (from Sonic the Hedgehog 1)
  track: You Can Hear the Cries of the Gymnopedies (from Final Fantasy 7)
  track: The Mancer's Swing (from Bastion)
  track: The Frostlands (from Octopath Traveler)
album: The Evergreens
  type: MusicAlbum
  date published: 2022-04-13
album: Remember Me? (SkateBIRD Original Soundtrack Single)
  type: MusicAlbum
  date published: 2022-06-09
album: The Drive Home (The Field of Dreams Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2022-06-18
album: A World of Pixels
  type: MusicAlbum
  date published: 2022-12-29
album: The View Upon the Horizon
  type: MusicAlbum
  date published: 2023-01-06
album: Ten Past Midnight
  type: MusicAlbum
  date published: 2023-02-09
album: SkateBIRD EP Official Bonus Soundtrack
  type: MusicAlbum
  date published: 2023-04-26
album: Jambito Theme
  type: MusicAlbum
  date published: 2024-11-29
album: Shore of Dreams (Another World)
  type: MusicAlbum
  date published: 2024-12-06
album: Everfin Theme
  type: MusicAlbum
  date published: 2024-12-06
album: Silent Night
  type: MusicAlbum
  date published: 2024-12-16
album: Virballs (Original Videogame Soundtrack)
  type: MusicAlbum
  date published: 2025-03-18

Marble Zone (from Sonic the Hedgehog 1)
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duration: PT3M29S
duration ms: 209303
explicit: false
by artist: Nathan Scott Madsen
in album: Press Start! Video Game Music Covers
  type: MusicAlbum
  date published: 2022-02-08
isrc code: USE831572597
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:57:57+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-06T01:57:57+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x885fb8555dc1edeee5924eba4e1594d948071229534bc2b1d537999603167567. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/USE831572597.
  date published: 2026-07-06T02:10:22Z
audio: Marble Zone (from Sonic the Hedgehog 1)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.993
  additional property: Musical Key
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    value: 7
  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
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  additional property: Speechiness
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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
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.48
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.63
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

You Can Hear the Cries of the Gymnopedies (from Final Fantasy 7)
type: MusicRecording
duration: PT3M14S
duration ms: 194060
explicit: false
by artist: Nathan Scott Madsen
in album: Press Start! Video Game Music Covers
  type: MusicAlbum
  date published: 2022-02-08
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eeeca810a11ec0e1852897caf02918543db446518fdf591c8dfabd79aa9c3a6. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/USE831511284.
  date published: 2026-07-30T09:57:33Z
audio: You Can Hear the Cries of the Gymnopedies (from Final Fantasy 7)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 104.152
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.281
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.934
  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: -20.406
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USE831511284
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE831511284
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

The Mancer's Swing (from Bastion)
type: MusicRecording
duration: PT3M26S
duration ms: 206925
explicit: false
by artist: Nathan Scott Madsen
in album: Press Start! Video Game Music Covers
  type: MusicAlbum
  date published: 2022-02-08
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79144f672e87a12e781544abff417bc0d8965acdb54580196e175331464e81fe. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/QZ6K41900262.
  date published: 2026-07-30T06:57:05Z
audio: The Mancer's Swing (from Bastion)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.707
  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: 5
  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
    value: 0.007
  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
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isrc code: QZ6K41900262
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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  value: 2026-07-30T06:57:05+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ6K41900262
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960218
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:57:05+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

The Frostlands (from Octopath Traveler)
type: MusicRecording
duration: PT4M12S
duration ms: 252650
explicit: false
by artist: Nathan Scott Madsen
in album: Press Start! Video Game Music Covers
  type: MusicAlbum
  date published: 2022-02-08
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x193b677a9409090d104cadac4dc70c78bff350824ea166b6a6d90a66f9288268. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/QZ6K42000782.
  date published: 2026-07-30T21:35:24Z
audio: The Frostlands (from Octopath Traveler)
  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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    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.702
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.544
  additional property: Key Name
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    value: Bb
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isrc code: QZ6K42000782
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ6K42000782
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960317
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960317
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:35:24+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch