Justin Furstenfeld
type: MusicGroup
description: Justin Steward Furstenfeld (born December 14, 1975) is an American musician. He is the lead vocalist, guitarist, and lyricist of the rock band Blue October. He is also a member of the band Harvard of
popularity: 27
followers: 15248
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. 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
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  date published: 2026-06-12T21:20:00Z
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album: Songs from an Open Book
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  date published: 2014-09-02
album: Songs from an Open Book
  type: MusicAlbum
  date published: 2014-09-02
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    by artist: Justin Furstenfeld
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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: 2026-07-12T19:35:06Z
    audio: Angel
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  track: Schizophrenia
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    by artist: Justin Furstenfeld
    in album: Songs from an Open Book
      type: MusicAlbum
      date published: 2014-09-02
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-15T16:41:19Z
    audio: Schizophrenia
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  track: Chameleon Boy
album: Open Book Winter Album
track: Medusa

Medusa
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duration: PT8M12S
duration ms: 492120
explicit: false
by artist: Tarja
by artist: Justin Furstenfeld
in album: Colours in the Dark
  type: MusicAlbum
  date published: 2013-08-30
genre: power-metal
genre: symphonic-rock
genre: gothic-metal
genre: symphonic-metal
genre: melodic-metal
isrc code: DEH841300154
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2221d5f7334b0bd85a97c3f5f15efb0cefc1c3e435a4b49c3cb84f5dbd30b50c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEH841300154.
  date published: 2026-07-02T03:30:09Z
audio: Medusa
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  additional property: Acousticness
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  additional property: Instrumentalness
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    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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Valence (Positivity)
type: PropertyValue
value: 0.178

Loudness (dB)
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Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Chameleon Boy
type: MusicRecording
duration: PT5M12S
duration ms: 312280
explicit: false
by artist: Justin Furstenfeld
in album: Songs from an Open Book
  type: MusicAlbum
  date published: 2014-09-02
isrc code: USZCN1400026
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
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additional property: OTSTimestamp
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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 0xd56b8271d4941dbbb9ddfd86f3c8d8708a609316d9a4ac13ab9f554e6be3dd8d. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USZCN1400026.
  date published: 2026-07-03T09:04:44Z
audio: Chameleon Boy
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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    type: PropertyValue
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  additional property: Acousticness
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Songs from an Open Book
type: MusicAlbum
date published: 2014-09-07

Songs from an Open Book
type: MusicAlbum
date published: 2014-09-12

Songs from an Open Book
type: MusicAlbum
date published: 2014-09-12

Open Book Winter Album
type: MusicAlbum
date published: 2017-11-24
track: Gun Metal Blue
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  in album: Open Book Winter Album
    type: MusicAlbum
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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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 0x5d4b02d29cf1ca65acec1f81d9d2388441796d8ebfa1ae96bf3260ead191f4d6. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-17T02:05:05Z), 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/USZCN1700026.
    date published: 2026-07-17T02:05:05Z
  audio: Gun Metal Blue
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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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: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Pink
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221826
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  by artist: Justin Furstenfeld
  in album: Open Book Winter Album
    type: MusicAlbum
    date published: 2017-11-24
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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  additional property: OTSVerificationAPI
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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 0xefd03582cce1ceaf81414aa29a20c2752fb4e339515d0b043068718a9dc72d0a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USZCN1700028.
    date published: 2026-07-05T18:48:28Z
  audio: Pink
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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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
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.198
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.526
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Graceful Dancing
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220933
  explicit: false
  by artist: Justin Furstenfeld
  in album: Open Book Winter Album
    type: MusicAlbum
    date published: 2017-11-24
  isrc code: USZCN1700029
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T01:07:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9c6a92303b15930da69424b0b5031f65180cf26cf118d40bc33079bef14a68f3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958346
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958346
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700029
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Graceful Dancing
track: Sorry Hearts
track: Two A.M. Lovesick
track: Breakfast After Ten
track: Italian Radio
track: Amnesia
track: Into the Ocean
track: We Know Where You Go
track: Home
track: I Want It

OTSTimestamp
type: PropertyValue
value: 2026-07-17T04:05:28Z

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 0x9c6a92303b15930da69424b0b5031f65180cf26cf118d40bc33079bef14a68f3. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:05:28Z), 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/USZCN1700029.
date published: 2026-07-17T04:05:28Z

Graceful Dancing
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 165.93
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.385
additional property: Energy
  type: PropertyValue
  value: 0.178
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.895
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.114
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.104
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.676
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

Sorry Hearts
type: MusicRecording
duration: PT3M4S
duration ms: 184453
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T02:45:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4d2aeae3ad3ffe74783eeaf312e90431b7c7b696c1a61250e1847f5d7f088e97
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958234
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958234
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T05:47:52Z
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 0x4d2aeae3ad3ffe74783eeaf312e90431b7c7b696c1a61250e1847f5d7f088e97. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T05:47:52Z), 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/USZCN1700030.
  date published: 2026-07-16T05:47:52Z
audio: Sorry Hearts
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.123
  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: 0.571
  additional property: Energy
    type: PropertyValue
    value: 0.407
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.636
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.707
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.312
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.171
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Two A.M. Lovesick
type: MusicRecording
duration: PT3M20S
duration ms: 200546
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700032
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T16:24:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4006b88bf6062e63ffd129634a87fc6c5524764ddb7b5b6587cdee629fb2be91
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700032
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0x4006b88bf6062e63ffd129634a87fc6c5524764ddb7b5b6587cdee629fb2be91. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USZCN1700032.
  date published: 2026-07-05T19:27:56Z
audio: Two A.M. Lovesick
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 190.209
  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: 0.389
  additional property: Energy
    type: PropertyValue
    value: 0.34
  additional property: Speechiness
    type: PropertyValue
    value: 0.102
  additional property: Acousticness
    type: PropertyValue
    value: 0.84
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.702
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.491
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.442
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Breakfast After Ten
type: MusicRecording
duration: PT3M29S
duration ms: 209706
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700033
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T00:07:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x830d1f20322d11d767ab64bedfdfb4af0f3c081f277bd6143d8ba871631a6d94
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958224
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958224
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700033
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T02:28:43Z
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 0x830d1f20322d11d767ab64bedfdfb4af0f3c081f277bd6143d8ba871631a6d94. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USZCN1700033.
  date published: 2026-07-16T02:28:43Z
audio: Breakfast After Ten
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 81.965
  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: 0.474
  additional property: Energy
    type: PropertyValue
    value: 0.574
  additional property: Speechiness
    type: PropertyValue
    value: 0.09
  additional property: Acousticness
    type: PropertyValue
    value: 0.679
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.723
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.529
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.771
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Italian Radio
type: MusicRecording
duration: PT2M58S
duration ms: 178386
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700034
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T13:56:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x541f03b059b0ac075609fdd74bb3b9f76f01552b0bdb3e1039a6b726a12074b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958166
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958166
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700034
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T15:55:19Z
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 0x541f03b059b0ac075609fdd74bb3b9f76f01552b0bdb3e1039a6b726a12074b8. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/USZCN1700034.
  date published: 2026-07-15T15:55:19Z
audio: Italian Radio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.216
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.577
  additional property: Energy
    type: PropertyValue
    value: 0.597
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.807
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.934
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.725
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.654
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Amnesia
type: MusicRecording
duration: PT4M27S
duration ms: 267306
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700035
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T05:26:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec0b0bd066531e23736dd3ebaa44442d197e0cb44470f4eaa77821f8e025c21b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958690
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958690
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700035
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T07:14:39Z
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 0xec0b0bd066531e23736dd3ebaa44442d197e0cb44470f4eaa77821f8e025c21b. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USZCN1700035.
  date published: 2026-07-19T07:14:39Z
audio: Amnesia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 174.942
  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: 0.417
  additional property: Energy
    type: PropertyValue
    value: 0.23
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.321
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.266
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Into the Ocean
type: MusicRecording
duration: PT5M12S
duration ms: 312880
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700039
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T11:31:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd264e7e471e99ee2efa4f66946b8fe1e3b8ee72bebb867323c43d8afbf4a9f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958407
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700039
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T12:08:48Z
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 0xfd264e7e471e99ee2efa4f66946b8fe1e3b8ee72bebb867323c43d8afbf4a9f4. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/USZCN1700039.
  date published: 2026-07-17T12:08:48Z
audio: Into the Ocean
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.657
  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: 0.538
  additional property: Energy
    type: PropertyValue
    value: 0.293
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.817
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.706
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.038
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

We Know Where You Go
type: MusicRecording
duration: PT4M11S
duration ms: 251066
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T20:01:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75f13c113230ee32091f82e5d2adf3f81d7244366c35fe210226ca276cba3ae8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
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/USZCN1700040
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 0x75f13c113230ee32091f82e5d2adf3f81d7244366c35fe210226ca276cba3ae8. 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/USZCN1700040.
  date published: 2026-07-06T01:25:57Z
audio: We Know Where You Go
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.475
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.539
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.905
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.09
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Home
type: MusicRecording
duration: PT4M51S
duration ms: 291786
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T11:56:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb83250450b557994b2d6c707be29b4f7607164f6d7ddafb51035ed9c7b36d0f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956822
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956822
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700041
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T18:48:28Z
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 0xb83250450b557994b2d6c707be29b4f7607164f6d7ddafb51035ed9c7b36d0f9. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USZCN1700041.
  date published: 2026-07-05T18:48:28Z
audio: Home
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 85.413
  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
    value: 0.499
  additional property: Energy
    type: PropertyValue
    value: 0.34
  additional property: Speechiness
    type: PropertyValue
    value: 0.143
  additional property: Acousticness
    type: PropertyValue
    value: 0.818
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.705
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.316
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.205
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

I Want It
type: MusicRecording
duration: PT5M30S
duration ms: 330626
explicit: false
by artist: Justin Furstenfeld
in album: Open Book Winter Album
  type: MusicAlbum
  date published: 2017-11-24
isrc code: USZCN1700042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T12:20:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dec1dbf1ce1a873e27f74a9f4dff2f8a0603126fd4d03d1d8d937769bf4afbc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958547
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958547
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZCN1700042
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:44:05Z
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 0x4dec1dbf1ce1a873e27f74a9f4dff2f8a0603126fd4d03d1d8d937769bf4afbc. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/USZCN1700042.
  date published: 2026-07-18T12:44:05Z
audio: I Want It
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.886
  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: 0.584
  additional property: Energy
    type: PropertyValue
    value: 0.315
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.889
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.701
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.312
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.831
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major