Hep Stars
type: MusicGroup
genre: dansband
genre: swedish ballads
popularity: 31
followers: 12259
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a7a08056e4d6c4a1e812a4f572988fc4d3814260fc58c0bf4f28c7dca1901e0
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/84622f39-d48d-4674-93a2-adcd351e2cb3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/84622f39-d48d-4674-93a2-adcd351e2cb3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/84622f39-d48d-4674-93a2-adcd351e2cb3
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a7a08056e4d6c4a1e812a4f572988fc4d3814260fc58c0bf4f28c7dca1901e0. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/84622f39-d48d-4674-93a2-adcd351e2cb3.json and https://artists.proofprofile.net/proofs/artist/84622f39-d48d-4674-93a2-adcd351e2cb3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: We And Our Cadillac
  type: MusicAlbum
  date published: 1970-01-01
album: On Stage
  type: MusicAlbum
  date published: 1970-01-01
album: The Hep Stars
  type: MusicAlbum
  date published: 1970-01-01
  track: Consolation
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209333
    explicit: false
    by artist: Hep Stars
    in album: The Hep Stars
      type: MusicAlbum
      date published: 1970-01-01
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
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    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953513
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/6aQvqX0coItJa31I5mxqud.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6aQvqX0coItJa31I5mxqud
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22ef74ea125689b50bafe9c354b5469084ba23ccc80594beac8394b9fedeba40. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6aQvqX0coItJa31I5mxqud.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6aQvqX0coItJa31I5mxqud.
      date published: 2026-06-13T12:47:07Z
    audio: Consolation
      type: AudioObject
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
        value: 0.353
      additional property: Energy
        type: PropertyValue
        value: 0.527
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.212
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.204
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.307
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.727
      additional property: Key Name
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      additional property: Mode Name
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  track: Isn't It Easy to Say
    type: MusicRecording
    duration: PT2M59S
    duration ms: 179800
    explicit: false
    by artist: Hep Stars
    in album: The Hep Stars
      type: MusicAlbum
      date published: 1970-01-01
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    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSRecordURL
      type: PropertyValue
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7hxRWJB3j5aesI1DaG5Chr
    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSCanonicalRecord
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc413f4fc64ade6aa6b82a608a638989421c8ed09441a1b01dd82be10d209a585. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7hxRWJB3j5aesI1DaG5Chr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7hxRWJB3j5aesI1DaG5Chr.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0xc413f4fc64ade6aa6b82a608a638989421c8ed09441a1b01dd82be10d209a585","isrc":"SEAMA6669200","name":"Isn't It Easy to Say","registered_at":"2026-03-20T05:44:57Z","spotify_id":"7hxRWJB3j5aesI1DaG5Chr","type":"track"}
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      additional property: Danceability
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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      additional property: Mode Name
  track: Wedding
  track: I natt jag drömde något som
  track: Jag vet
  track: Don't
  track: Malaika
  track: It's Nice to Be Back
album: Jul med Hep Stars
album: It's Been a Long Long Time- The Complete Cupol Recordings
album: Songs We Sang 68
album: På svenska
album: Act II
album: Hep Stars, 1964-69
album: Hep Stars Jul
album: Big-5 : Hep Stars
album: Sing the Hits
album: 50th Anniversary 1964-2014
track: I natt jag drömde något som
track: Sunny Girl
track: Speleman
track: Pojken som jultomten glömde
track: Cadillac (Single Version)
track: I Natt Jag Drömde I Natt Jag Drömde
track: Sweet Little Sixteen
track: Summertime Blues
track: Be My Baby

Energy
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value: 0.427

Speechiness
type: PropertyValue
value: 0.029

Acousticness
type: PropertyValue
value: 0.227

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.082

Valence (Positivity)
type: PropertyValue
value: 0.514

Loudness (dB)
type: PropertyValue
value: -9.113

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Wedding
type: MusicRecording
duration: PT2M58S
duration ms: 178200
explicit: false
by artist: Hep Stars
in album: The Hep Stars
  type: MusicAlbum
  date published: 1970-01-01
isrc code: SEAMA6669140
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
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lbBe63KAXyRxNAOea1EhA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5f09cc1c823e7438e1e9cadf30e8777828525df5ba14bee761ccbfec85a3b5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2lbBe63KAXyRxNAOea1EhA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lbBe63KAXyRxNAOea1EhA.
  date published: 2026-06-13T12:47:07Z
audio: Wedding
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.458
  additional property: Energy
    type: PropertyValue
    value: 0.505
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.257
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.321
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.428
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.078
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

I natt jag drömde något som
type: MusicRecording
duration: PT2M22S
duration ms: 142506
explicit: false
by artist: Hep Stars
in album: The Hep Stars
  type: MusicAlbum
  date published: 1970-01-01
isrc code: SEAMA6664010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:44:48+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6v3bQtMeF8PPmZ6sJ1XKXm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6v3bQtMeF8PPmZ6sJ1XKXm
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6v3bQtMeF8PPmZ6sJ1XKXm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6v3bQtMeF8PPmZ6sJ1XKXm.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3","isrc":"SEAMA6664010","name":"I natt jag drömde något som","registered_at":"2026-03-20T05:44:48Z","spotify_id":"6v3bQtMeF8PPmZ6sJ1XKXm","type":"track"}
audio: I natt jag drömde något som
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.16
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.478
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.412
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Jag vet
type: MusicRecording
duration: PT3M23S
duration ms: 203360
explicit: false
by artist: Hep Stars
in album: The Hep Stars
  type: MusicAlbum
  date published: 1970-01-01
isrc code: SEAMA6651270
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:43:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c7ee491dfd667c9fc173c0ebc1001dc40558d79dd4be4020c7b217e418b4a87
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3vHZpmgyUpJpeliKmx1Y4F.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3vHZpmgyUpJpeliKmx1Y4F
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0c7ee491dfd667c9fc173c0ebc1001dc40558d79dd4be4020c7b217e418b4a87","isrc":"SEAMA6651270","name":"Jag vet","registered_at":"2026-03-20T05:43:59Z","spotify_id":"3vHZpmgyUpJpeliKmx1Y4F","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7ee491dfd667c9fc173c0ebc1001dc40558d79dd4be4020c7b217e418b4a87. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3vHZpmgyUpJpeliKmx1Y4F.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3vHZpmgyUpJpeliKmx1Y4F.
  date published: 2026-06-13T12:47:07Z
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    type: PropertyValue
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    type: PropertyValue
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  additional property: Acousticness
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    type: PropertyValue
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    type: PropertyValue
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  additional property: Key Name
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Don't
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duration: PT3M7S
duration ms: 187573
explicit: false
by artist: Hep Stars
in album: The Hep Stars
  type: MusicAlbum
  date published: 1970-01-01
isrc code: SEAMA6669180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:37:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0288ca4cdb8f1e1f413adfe0f8b6ac8499c6dcde54c14367b70329138ead37a7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/05kArwOYjboWEyvZBzcA4V.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05kArwOYjboWEyvZBzcA4V
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0288ca4cdb8f1e1f413adfe0f8b6ac8499c6dcde54c14367b70329138ead37a7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/05kArwOYjboWEyvZBzcA4V.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/05kArwOYjboWEyvZBzcA4V.
  date published: 2026-06-13T12:47:07Z
audio: Don't
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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: 0.488
  additional property: Energy
    type: PropertyValue
    value: 0.435
  additional property: Speechiness
    type: PropertyValue
    value: 0.026
  additional property: Acousticness
    type: PropertyValue
    value: 0.197
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.336
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.281
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Malaika
type: MusicRecording
duration: PT2M48S
duration ms: 168693
explicit: false
by artist: Hep Stars
in album: The Hep Stars
  type: MusicAlbum
  date published: 1970-01-01
isrc code: SEAMA6769210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:44:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x33943902a053732f4f6b03205d392f956996508df6bc9a47d23bc67f27f3ec80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5K7qjP1QK07zJUpAlVWiCT.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5K7qjP1QK07zJUpAlVWiCT
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33943902a053732f4f6b03205d392f956996508df6bc9a47d23bc67f27f3ec80. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5K7qjP1QK07zJUpAlVWiCT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5K7qjP1QK07zJUpAlVWiCT.
  date published: 2026-06-13T12:47:07Z
audio: Malaika
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.446
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    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
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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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It's Nice to Be Back
type: MusicRecording
duration: PT2M33S
duration ms: 153866
explicit: false
by artist: Hep Stars
in album: The Hep Stars
  type: MusicAlbum
  date published: 1970-01-01
isrc code: SEAMA6769220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:43:07+00:00
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/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0KTY2x82vlnwrc3cZ4TRlA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KTY2x82vlnwrc3cZ4TRlA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3c7f0a7951ced452162fc79ca957e2c93e167b78e8564e0e68b55a09287d1024","isrc":"SEAMA6769220","name":"It's Nice to Be Back","registered_at":"2026-03-20T05:43:07Z","spotify_id":"0KTY2x82vlnwrc3cZ4TRlA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c7f0a7951ced452162fc79ca957e2c93e167b78e8564e0e68b55a09287d1024. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0KTY2x82vlnwrc3cZ4TRlA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0KTY2x82vlnwrc3cZ4TRlA.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x3c7f0a7951ced452162fc79ca957e2c93e167b78e8564e0e68b55a09287d1024","isrc":"SEAMA6769220","name":"It's Nice to Be Back","registered_at":"2026-03-20T05:43:07Z","spotify_id":"0KTY2x82vlnwrc3cZ4TRlA","type":"track"}
audio: It's Nice to Be Back
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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
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.624
  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)
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  additional property: Key Name
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  additional property: Mode Name
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Jul med Hep Stars
type: MusicAlbum
date published: 1967-12-17

It's Been a Long Long Time- The Complete Cupol Recordings
type: MusicAlbum
date published: 1968-04-25
track: Enter the Young
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  duration: PT2M50S
  duration ms: 170280
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: Hope
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  duration: PT2M22S
  duration ms: 142066
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: Five a.m.
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166306
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: It's Time for a Change
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157640
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: Changing Away From You
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181706
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: It's Been a Long Long Time
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182320
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: Musty Dusty
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197053
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: Spinning Spinning Spinning
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131493
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: There Is Love
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155360
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: Would You Like To Go
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155013
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: It's Now a Winter's Day
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190706
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: Another Time
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  duration: PT3M14S
  duration ms: 194226
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
track: Sagan om lilla Sofi
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186546
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
  isrc code: SEBGA0600102
track: Det finns en stad
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188813
  explicit: false
  by artist: Hep Stars
  in album: It's Been a Long Long Time- The Complete Cupol Recordings
    type: MusicAlbum
    date published: 1968-04-25
  isrc code: SEBGA0600103

Songs We Sang 68
type: MusicAlbum
date published: 1968-11-25
track: Holiday For Clowns
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  duration: PT2M17S
  duration ms: 137760
  explicit: false
  by artist: Hep Stars
  in album: Songs We Sang 68
    type: MusicAlbum
    date published: 1968-11-25
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-03-20T05:36:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9fb4e09415336b6126a6ef1116b41868e038ceb498e046d929f17578f3e2a073
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7p54L0cWGQolZr5ixSp8fd.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7p54L0cWGQolZr5ixSp8fd
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSCanonicalRecord
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb4e09415336b6126a6ef1116b41868e038ceb498e046d929f17578f3e2a073. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7p54L0cWGQolZr5ixSp8fd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7p54L0cWGQolZr5ixSp8fd.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x9fb4e09415336b6126a6ef1116b41868e038ceb498e046d929f17578f3e2a073","isrc":"SEAMA6869280","name":"Holiday For Clowns","registered_at":"2026-03-20T05:36:11Z","spotify_id":"7p54L0cWGQolZr5ixSp8fd","type":"track"}
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.418
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Bilden av dej
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  duration: PT2M16S
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  explicit: false
  by artist: Hep Stars
  in album: Songs We Sang 68
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x665dde615259bd39c872c7afa9d0355d6c65a20a9395df19152684bbdd396bad
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4nztieaTfTmfOHli1JDj3u.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4nztieaTfTmfOHli1JDj3u
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x665dde615259bd39c872c7afa9d0355d6c65a20a9395df19152684bbdd396bad","isrc":"SEAMA6864070","name":"Bilden av dej","registered_at":"2026-03-20T05:35:21Z","spotify_id":"4nztieaTfTmfOHli1JDj3u","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x665dde615259bd39c872c7afa9d0355d6c65a20a9395df19152684bbdd396bad. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4nztieaTfTmfOHli1JDj3u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4nztieaTfTmfOHli1JDj3u.
    date published: 2026-06-13T12:47:07Z
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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: Speechiness
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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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På svenska
type: MusicAlbum
date published: 1969-12-18
track: I natt jag drömde något som
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0lxZlEX5LeX6ZIj0hlxrdJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lxZlEX5LeX6ZIj0hlxrdJ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0lxZlEX5LeX6ZIj0hlxrdJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lxZlEX5LeX6ZIj0hlxrdJ.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3","isrc":"SEAMA6664010","name":"I natt jag drömde något som","registered_at":"2026-03-20T05:21:34Z","spotify_id":"0lxZlEX5LeX6ZIj0hlxrdJ","type":"track"}
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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
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Speleman
  type: MusicRecording
  duration: PT3M51S
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  in album: På svenska
    type: MusicAlbum
    date published: 1969-12-18
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc2ad732e350e73c02816b2984f609b7870498353d7d5ad08d2857494f2ea7128
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5zFICikBaBmq898RhQSkfg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5zFICikBaBmq898RhQSkfg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2ad732e350e73c02816b2984f609b7870498353d7d5ad08d2857494f2ea7128. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5zFICikBaBmq898RhQSkfg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5zFICikBaBmq898RhQSkfg.
    date published: 2026-06-13T12:47:07Z
  audio: Speleman
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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      value: 4
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
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    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)
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    additional property: Key Name
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    additional property: Mode Name
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Act II
type: MusicAlbum
date published: 1989-01-01
track: You're By My Side
  type: MusicRecording
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  duration ms: 127560
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Don't Throw It Away
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207133
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Tears on My Pillow
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179133
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Sky Diver
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128772
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: I Wanna Know
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177160
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: I'll Never Be the One
  type: MusicRecording
  duration: PT3M30S
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  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Breakin' Up
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195093
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Sunny Girl
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171133
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Close to Danger
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235173
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Time
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246333
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Surfin' Bird
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154634
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01

Act II
type: MusicAlbum
date published: 1989-01-01
track: You're By My Side
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127560
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Don't Throw It Away
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207133
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Tears on My Pillow
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179133
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Sky Diver
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128772
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: I Wanna Know
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177160
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: I'll Never Be the One
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210973
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Breakin' Up
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195093
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Sunny Girl
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171133
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Close to Danger
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235173
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Time
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246333
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
    date published: 1989-01-01
track: Surfin' Bird
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165533
  explicit: false
  by artist: Hep Stars
  in album: Act II
    type: MusicAlbum
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Hep Stars, 1964-69
type: MusicAlbum
date published: 1992-01-01
track: Kana Kapila
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  duration: PT1M40S
  duration ms: 100333
  explicit: false
  by artist: Hep Stars
  in album: Hep Stars, 1964-69
    type: MusicAlbum
    date published: 1992-01-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-03-20T05:35:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5978c42d53917330ddb46a4901805d83970d2240d50571cfdd8359db1023de81
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3Zwwe5wVrFZxG2LADi5KVy.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Zwwe5wVrFZxG2LADi5KVy
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5978c42d53917330ddb46a4901805d83970d2240d50571cfdd8359db1023de81","isrc":"SEAMA6469010","name":"Kana Kapila","registered_at":"2026-03-20T05:35:08Z","spotify_id":"3Zwwe5wVrFZxG2LADi5KVy","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5978c42d53917330ddb46a4901805d83970d2240d50571cfdd8359db1023de81. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Zwwe5wVrFZxG2LADi5KVy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Zwwe5wVrFZxG2LADi5KVy.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x5978c42d53917330ddb46a4901805d83970d2240d50571cfdd8359db1023de81","isrc":"SEAMA6469010","name":"Kana Kapila","registered_at":"2026-03-20T05:35:08Z","spotify_id":"3Zwwe5wVrFZxG2LADi5KVy","type":"track"}
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    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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      value: 2
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.569
    additional property: Energy
      type: PropertyValue
      value: 0.812
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.402
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.159
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.859
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
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track: A Tribute to Buddy Holly
  type: MusicRecording
  duration: PT2M50S
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  explicit: false
  by artist: Hep Stars
  in album: Hep Stars, 1964-69
    type: MusicAlbum
    date published: 1992-01-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-03-20T06:32:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x79ae922ce3d9ea78d88f94a5c37ec6c2518ed09a58dea5f8f8611b1210eaf3b7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1DKiW8fuO62Lrt2JlmAfxZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1DKiW8fuO62Lrt2JlmAfxZ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x79ae922ce3d9ea78d88f94a5c37ec6c2518ed09a58dea5f8f8611b1210eaf3b7","isrc":"SEAMA6569020","name":"A Tribute to Buddy Holly","registered_at":"2026-03-20T06:32:50Z","spotify_id":"1DKiW8fuO62Lrt2JlmAfxZ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ae922ce3d9ea78d88f94a5c37ec6c2518ed09a58dea5f8f8611b1210eaf3b7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1DKiW8fuO62Lrt2JlmAfxZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1DKiW8fuO62Lrt2JlmAfxZ.
    date published: 2026-06-13T12:47:07Z
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
      value: 0.526
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.418
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.124
    additional property: Valence (Positivity)
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      value: 0.627
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.46
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Bird Dog
  type: MusicRecording
  duration: PT1M54S
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  explicit: false
  by artist: Hep Stars
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    type: MusicAlbum
    date published: 1992-01-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Bird Dog
track: If You Need Me
track: Farmer John
track: Donna
track: Cadillac
track: Bald Headed Woman
track: No Response
track: So Mystifying
track: Young and Beautiful
track: Should I
track: Sunny Girl
track: When My Blue Moon Turns to Gold Again
track: I natt jag drömde något som
track: No Time
track: Mot okänt land
track: Je t'appartiens - 1996 Remastered Version
track: Tända på varann
track: Speleman

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x57ed1688136e54e951a66c7e438790225cc43140c7e91a2d43b9d49ef54dc1ba

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 953513

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953513

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/08k44Mp6bUXWATGZRjMRgB.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08k44Mp6bUXWATGZRjMRgB

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:47:07Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x57ed1688136e54e951a66c7e438790225cc43140c7e91a2d43b9d49ef54dc1ba","isrc":"SEAMA6569030","name":"Bird Dog","registered_at":"2026-03-20T05:34:11Z","spotify_id":"08k44Mp6bUXWATGZRjMRgB","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57ed1688136e54e951a66c7e438790225cc43140c7e91a2d43b9d49ef54dc1ba. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08k44Mp6bUXWATGZRjMRgB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/08k44Mp6bUXWATGZRjMRgB.
date published: 2026-06-13T12:47:07Z
text: {"copyright_id":"0x57ed1688136e54e951a66c7e438790225cc43140c7e91a2d43b9d49ef54dc1ba","isrc":"SEAMA6569030","name":"Bird Dog","registered_at":"2026-03-20T05:34:11Z","spotify_id":"08k44Mp6bUXWATGZRjMRgB","type":"track"}

Bird Dog
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 164.163
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: 0.472
additional property: Energy
  type: PropertyValue
  value: 0.706
additional property: Speechiness
  type: PropertyValue
  value: 0.048
additional property: Acousticness
  type: PropertyValue
  value: 0.665
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.103
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.962
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.554
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

If You Need Me
type: MusicRecording
duration: PT2M19S
duration ms: 139853
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6569040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:35:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14f35fb70242fbacc865df0d653008361283175a4a8bc1d3e82af89c62a9324a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4Vhd4H3iYht92YmIFWHUCs.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Vhd4H3iYht92YmIFWHUCs
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x14f35fb70242fbacc865df0d653008361283175a4a8bc1d3e82af89c62a9324a","isrc":"SEAMA6569040","name":"If You Need Me","registered_at":"2026-03-20T05:35:25Z","spotify_id":"4Vhd4H3iYht92YmIFWHUCs","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f35fb70242fbacc865df0d653008361283175a4a8bc1d3e82af89c62a9324a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Vhd4H3iYht92YmIFWHUCs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Vhd4H3iYht92YmIFWHUCs.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x14f35fb70242fbacc865df0d653008361283175a4a8bc1d3e82af89c62a9324a","isrc":"SEAMA6569040","name":"If You Need Me","registered_at":"2026-03-20T05:35:25Z","spotify_id":"4Vhd4H3iYht92YmIFWHUCs","type":"track"}
audio: If You Need Me
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.493
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.461
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
    value: 0.324
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.498
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.609
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Farmer John
type: MusicRecording
duration: PT1M52S
duration ms: 112760
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6569050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:33:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x03c3c3d52bff21e1381f0fe0cce26913ae30751b1764ce83a3dc161bf17c8df3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6UkZqT27SnZyWTwXKAgzuK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UkZqT27SnZyWTwXKAgzuK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x03c3c3d52bff21e1381f0fe0cce26913ae30751b1764ce83a3dc161bf17c8df3","isrc":"SEAMA6569050","name":"Farmer John","registered_at":"2026-03-20T06:33:32Z","spotify_id":"6UkZqT27SnZyWTwXKAgzuK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c3c3d52bff21e1381f0fe0cce26913ae30751b1764ce83a3dc161bf17c8df3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6UkZqT27SnZyWTwXKAgzuK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6UkZqT27SnZyWTwXKAgzuK.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x03c3c3d52bff21e1381f0fe0cce26913ae30751b1764ce83a3dc161bf17c8df3","isrc":"SEAMA6569050","name":"Farmer John","registered_at":"2026-03-20T06:33:32Z","spotify_id":"6UkZqT27SnZyWTwXKAgzuK","type":"track"}
audio: Farmer John
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.441
  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: 0.434
  additional property: Energy
    type: PropertyValue
    value: 0.911
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.076
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.03
  additional property: Liveness
    type: PropertyValue
    value: 0.056
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.746
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.959
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Donna
type: MusicRecording
duration: PT2M50S
duration ms: 170520
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6569060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:35:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe908012b4759e35b37f853c4c411fedcd8585304572bd4d593c038ca7f68ae9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6hHj1PxzrqSteejmH8pQPN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6hHj1PxzrqSteejmH8pQPN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe908012b4759e35b37f853c4c411fedcd8585304572bd4d593c038ca7f68ae9a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6hHj1PxzrqSteejmH8pQPN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6hHj1PxzrqSteejmH8pQPN.
  date published: 2026-06-13T12:47:07Z
audio: Donna
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.972
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.525
  additional property: Energy
    type: PropertyValue
    value: 0.428
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.346
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.223
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.538
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.064
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cadillac
type: MusicRecording
duration: PT2M41S
duration ms: 161653
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6569070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:17:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35b0af494c3315bd19c0e14ecbae2366e53882cecb2a6eca05e8a16729c8ab5c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0ImpLapZy69W1KfwsMRRi3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ImpLapZy69W1KfwsMRRi3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35b0af494c3315bd19c0e14ecbae2366e53882cecb2a6eca05e8a16729c8ab5c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ImpLapZy69W1KfwsMRRi3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ImpLapZy69W1KfwsMRRi3.
  date published: 2026-06-13T12:47:07Z
audio: Cadillac
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.048
  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: 0.454
  additional property: Energy
    type: PropertyValue
    value: 0.639
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.266
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.044
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.696
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.322
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bald Headed Woman
type: MusicRecording
duration: PT2M6S
duration ms: 126973
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6569080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:36:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02947d1295e87ed0a1885955ac774750b77be7099f8db906d077d35d30b8588b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7b0HCqTduRWfpx7leHQhxx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7b0HCqTduRWfpx7leHQhxx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x02947d1295e87ed0a1885955ac774750b77be7099f8db906d077d35d30b8588b","isrc":"SEAMA6569080","name":"Bald Headed Woman","registered_at":"2026-03-20T05:36:06Z","spotify_id":"7b0HCqTduRWfpx7leHQhxx","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02947d1295e87ed0a1885955ac774750b77be7099f8db906d077d35d30b8588b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7b0HCqTduRWfpx7leHQhxx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7b0HCqTduRWfpx7leHQhxx.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x02947d1295e87ed0a1885955ac774750b77be7099f8db906d077d35d30b8588b","isrc":"SEAMA6569080","name":"Bald Headed Woman","registered_at":"2026-03-20T05:36:06Z","spotify_id":"7b0HCqTduRWfpx7leHQhxx","type":"track"}
audio: Bald Headed Woman
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.064
  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: 0.485
  additional property: Energy
    type: PropertyValue
    value: 0.721
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.189
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.717
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.888
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

No Response
type: MusicRecording
duration: PT1M36S
duration ms: 96946
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6569090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:18:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x898b9ab18951d9fe089728af73cbccbbef5206ad29b2d67af14636bca5592d64
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2D7IQaK7YM67RKDuMWZck0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2D7IQaK7YM67RKDuMWZck0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x898b9ab18951d9fe089728af73cbccbbef5206ad29b2d67af14636bca5592d64","isrc":"SEAMA6569090","name":"No Response","registered_at":"2026-03-20T06:18:18Z","spotify_id":"2D7IQaK7YM67RKDuMWZck0","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-06-13T12:47:07Z
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  additional property: Valence (Positivity)
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So Mystifying
type: MusicRecording
duration: PT2M48S
duration ms: 168413
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
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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/0xbaadf8fe5a8df63f542f078c460c5bde3665e2ee4acdcd71f61e41050021617b
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/355zKVEUEzQREtJsjh8jJz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/355zKVEUEzQREtJsjh8jJz
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaadf8fe5a8df63f542f078c460c5bde3665e2ee4acdcd71f61e41050021617b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/355zKVEUEzQREtJsjh8jJz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/355zKVEUEzQREtJsjh8jJz.
  date published: 2026-06-13T12:47:07Z
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audio: So Mystifying
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Young and Beautiful
type: MusicRecording
duration: PT2M31S
duration ms: 151586
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
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isrc code: SEAMA6669110
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: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6FODD83vohW30RYRz8zJuR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6FODD83vohW30RYRz8zJuR
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ece03f7518c54b1516bc859599982de54b923c07d56bd4c58ea109fb1fbaa90. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6FODD83vohW30RYRz8zJuR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6FODD83vohW30RYRz8zJuR.
  date published: 2026-06-13T12:47:07Z
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audio: Young and Beautiful
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    type: PropertyValue
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Should I
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duration: PT2M56S
duration ms: 176000
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7KAmcYyxViKJ99nvl2yP44.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7KAmcYyxViKJ99nvl2yP44
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddba6fd5d2689b8d8cf71395ad7b8a95d5bacdca9955c7376ab09ac7c48c19fb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7KAmcYyxViKJ99nvl2yP44.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7KAmcYyxViKJ99nvl2yP44.
  date published: 2026-06-13T12:47:07Z
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audio: Should I
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Sunny Girl
type: MusicRecording
duration: PT2M23S
duration ms: 143333
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6660020
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5d628a6a60170ba2253b5c146d68849134fd84c5d6b54539b333fe61a15e18a8
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/25J6kc56ToQaHBHa6od07Y.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/25J6kc56ToQaHBHa6od07Y
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d628a6a60170ba2253b5c146d68849134fd84c5d6b54539b333fe61a15e18a8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/25J6kc56ToQaHBHa6od07Y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/25J6kc56ToQaHBHa6od07Y.
  date published: 2026-06-13T12:47:07Z
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  additional property: Valence (Positivity)
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When My Blue Moon Turns to Gold Again
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duration: PT2M47S
duration ms: 167440
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
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isrc code: SEAMA6669150
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: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0BSy4Av0UjNQmIFgqq4nwP.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0BSy4Av0UjNQmIFgqq4nwP
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c047dee5089803e6ac54c162e1e1dee32b43aef868e06f9c8660110af070b37. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0BSy4Av0UjNQmIFgqq4nwP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0BSy4Av0UjNQmIFgqq4nwP.
  date published: 2026-06-13T12:47:07Z
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audio: When My Blue Moon Turns to Gold Again
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I natt jag drömde något som
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duration: PT2M22S
duration ms: 142506
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6NJTMH0HW9miWPKaoJCFix.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6NJTMH0HW9miWPKaoJCFix.
  date published: 2026-06-13T12:47:07Z
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.403
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

No Time
type: MusicRecording
duration: PT2M47S
duration ms: 167733
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6669190
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/0x54da036e645bcb7175fdc990f361da6ed17527a4f1eb273e4d4826ad9b2488f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4EMH7pycJc8vUrzetvG1Qj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4EMH7pycJc8vUrzetvG1Qj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54da036e645bcb7175fdc990f361da6ed17527a4f1eb273e4d4826ad9b2488f9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4EMH7pycJc8vUrzetvG1Qj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4EMH7pycJc8vUrzetvG1Qj.
  date published: 2026-06-13T12:47:07Z
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audio: No Time
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  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: 0.55
  additional property: Energy
    type: PropertyValue
    value: 0.653
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.419
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.048
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.512
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.519
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  additional property: Mode Name
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    value: Major

Mot okänt land
type: MusicRecording
duration: PT3M1S
duration ms: 181400
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6764020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:32:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa65341036b046b0e4d1b0656bc540fa606c87e1d966dde1d7b1e9fb1dcdcf9be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0Ka7jPhToi7Cg3ZWJDA0RO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Ka7jPhToi7Cg3ZWJDA0RO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa65341036b046b0e4d1b0656bc540fa606c87e1d966dde1d7b1e9fb1dcdcf9be","isrc":"SEAMA6764020","name":"Mot okänt land","registered_at":"2026-03-20T06:32:44Z","spotify_id":"0Ka7jPhToi7Cg3ZWJDA0RO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa65341036b046b0e4d1b0656bc540fa606c87e1d966dde1d7b1e9fb1dcdcf9be. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Ka7jPhToi7Cg3ZWJDA0RO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Ka7jPhToi7Cg3ZWJDA0RO.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xa65341036b046b0e4d1b0656bc540fa606c87e1d966dde1d7b1e9fb1dcdcf9be","isrc":"SEAMA6764020","name":"Mot okänt land","registered_at":"2026-03-20T06:32:44Z","spotify_id":"0Ka7jPhToi7Cg3ZWJDA0RO","type":"track"}
audio: Mot okänt land
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.446
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.058
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.318
  additional property: Valence (Positivity)
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    value: 0.608
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.813
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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    value: Major

Je t'appartiens - 1996 Remastered Version
type: MusicRecording
duration: PT2M56S
duration ms: 176120
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6864120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T05:36:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec1bf59904547c60945f46f6a0ff6d8039b85167c97f77315799f54c69d781bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/70VFYiv9THKpTH3BmCUlZK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70VFYiv9THKpTH3BmCUlZK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xec1bf59904547c60945f46f6a0ff6d8039b85167c97f77315799f54c69d781bd","isrc":"SEAMA6864120","name":"Je t'appartiens - 1996 Remastered Version","registered_at":"2026-03-20T05:36:04Z","spotify_id":"70VFYiv9THKpTH3BmCUlZK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec1bf59904547c60945f46f6a0ff6d8039b85167c97f77315799f54c69d781bd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70VFYiv9THKpTH3BmCUlZK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70VFYiv9THKpTH3BmCUlZK.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xec1bf59904547c60945f46f6a0ff6d8039b85167c97f77315799f54c69d781bd","isrc":"SEAMA6864120","name":"Je t'appartiens - 1996 Remastered Version","registered_at":"2026-03-20T05:36:04Z","spotify_id":"70VFYiv9THKpTH3BmCUlZK","type":"track"}
audio: Je t'appartiens - 1996 Remastered Version
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.301
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.673
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.252
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
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    value: Major

Tända på varann
type: MusicRecording
duration: PT2M33S
duration ms: 153173
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6864040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:33:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xebaeb2160f7bc5ca4145498a427cb39b2722d6b9055b024d62000178bc33caf4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2XgRo0esO4qAQQlNlNVnDX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XgRo0esO4qAQQlNlNVnDX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xebaeb2160f7bc5ca4145498a427cb39b2722d6b9055b024d62000178bc33caf4","isrc":"SEAMA6864040","name":"Tända på varann","registered_at":"2026-03-20T06:33:00Z","spotify_id":"2XgRo0esO4qAQQlNlNVnDX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebaeb2160f7bc5ca4145498a427cb39b2722d6b9055b024d62000178bc33caf4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2XgRo0esO4qAQQlNlNVnDX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XgRo0esO4qAQQlNlNVnDX.
  date published: 2026-06-13T12:47:07Z
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audio: Tända på varann
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
    type: PropertyValue
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    type: PropertyValue
    value: 0.531
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.317
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Speleman
type: MusicRecording
duration: PT3M49S
duration ms: 229840
explicit: false
by artist: Hep Stars
in album: Hep Stars, 1964-69
  type: MusicAlbum
  date published: 1992-01-01
isrc code: SEAMA6964110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:33:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2ad732e350e73c02816b2984f609b7870498353d7d5ad08d2857494f2ea7128
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3eHQ1A7DWN5SeaWZZkBEZB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eHQ1A7DWN5SeaWZZkBEZB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2ad732e350e73c02816b2984f609b7870498353d7d5ad08d2857494f2ea7128. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3eHQ1A7DWN5SeaWZZkBEZB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eHQ1A7DWN5SeaWZZkBEZB.
  date published: 2026-06-13T12:47:07Z
audio: Speleman
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  additional property: Tempo (BPM)
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  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: 0.453
  additional property: Energy
    type: PropertyValue
    value: 0.43
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.496
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.046
  additional property: Key Name
    type: PropertyValue
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Songs We Sang 68
type: MusicAlbum
date published: 1996-11-25
track: Shake / Svenne I Love You / We Say Yeah - Live
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233680
  explicit: false
  by artist: Hep Stars
  in album: Songs We Sang 68
    type: MusicAlbum
    date published: 1996-11-25
track: Let It Be Me - Live
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129266
  explicit: false
  by artist: Hep Stars
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    type: MusicAlbum
    date published: 1996-11-25
track: Goin' Out Of My Head / Can't Take My Eyes Off You - Live
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  duration ms: 179466
  explicit: false
  by artist: Hep Stars
  in album: Songs We Sang 68
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track: She Will Love You - 1996 Remastered Version
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track: Är det inte kärlek, säg?
track: Holiday For Clowns

Speedy Gonzales - 1996 Remastered Version
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Är det inte kärlek, säg?
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by artist: Hep Stars
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Holiday For Clowns
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Hep Stars Jul
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-06-13T12:47:07Z
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track: Pojken som jultomten glömde
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  subject of: OpenTimestamps Proof of Existence
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track: White Christmas
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  subject of: OpenTimestamps Proof of Existence
  audio: White Christmas
track: Alla sover utom jag
track: Jingle Bells
track: Christmas Today
track: The Boy That Old Santa Forgot
track: Gläns över sjö och strand
track: Nu tändas tusen juleljus
track: Stilla natt
track: Dotter Sion

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSVerifyInstructions
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value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x357e0d14fb3fa5e1a3e4a6045c2935097e37b87705533af89342b5104ddda54e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5QUVODJXO6vX3iOWdQvI0G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5QUVODJXO6vX3iOWdQvI0G.
date published: 2026-06-13T12:47:07Z
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Alla sover utom jag
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
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Jingle Bells
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additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0983d629531d9e91fa1d4d1ea8d5dbdb86363daa9b0cc891fd1fb5444fb85a1b","isrc":"SEAMJ6700617","name":"Jingle Bells","registered_at":"2026-03-20T06:13:12Z","spotify_id":"6eAwlYsZH9hdBQRaaIUliD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0983d629531d9e91fa1d4d1ea8d5dbdb86363daa9b0cc891fd1fb5444fb85a1b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6eAwlYsZH9hdBQRaaIUliD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6eAwlYsZH9hdBQRaaIUliD.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x0983d629531d9e91fa1d4d1ea8d5dbdb86363daa9b0cc891fd1fb5444fb85a1b","isrc":"SEAMJ6700617","name":"Jingle Bells","registered_at":"2026-03-20T06:13:12Z","spotify_id":"6eAwlYsZH9hdBQRaaIUliD","type":"track"}
audio: Jingle Bells
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.074
  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: 0.506
  additional property: Energy
    type: PropertyValue
    value: 0.759
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.074
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.966
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.67
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Christmas Today
type: MusicRecording
duration: PT2M35S
duration ms: 155413
explicit: false
by artist: Hep Stars
in album: Hep Stars Jul
  type: MusicAlbum
  date published: 2001-10-15
isrc code: SEAMJ6700613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:10:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9fed5190f9a57bfe3cb3997f750d2cd8b9e4fb2d8423a0d61ce5b8327433ce9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0oVOvv4VUZd6UHtlCKdffA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0oVOvv4VUZd6UHtlCKdffA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc9fed5190f9a57bfe3cb3997f750d2cd8b9e4fb2d8423a0d61ce5b8327433ce9","isrc":"SEAMJ6700613","name":"Christmas Today","registered_at":"2026-03-20T06:10:51Z","spotify_id":"0oVOvv4VUZd6UHtlCKdffA","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9fed5190f9a57bfe3cb3997f750d2cd8b9e4fb2d8423a0d61ce5b8327433ce9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0oVOvv4VUZd6UHtlCKdffA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0oVOvv4VUZd6UHtlCKdffA.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xc9fed5190f9a57bfe3cb3997f750d2cd8b9e4fb2d8423a0d61ce5b8327433ce9","isrc":"SEAMJ6700613","name":"Christmas Today","registered_at":"2026-03-20T06:10:51Z","spotify_id":"0oVOvv4VUZd6UHtlCKdffA","type":"track"}
audio: Christmas Today
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 177.954
  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: 0.423
  additional property: Energy
    type: PropertyValue
    value: 0.66
  additional property: Speechiness
    type: PropertyValue
    value: 0.12
  additional property: Acousticness
    type: PropertyValue
    value: 0.056
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.663
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.403
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Boy That Old Santa Forgot
type: MusicRecording
duration: PT2M20S
duration ms: 140146
explicit: false
by artist: Hep Stars
in album: Hep Stars Jul
  type: MusicAlbum
  date published: 2001-10-15
isrc code: SEAMJ6700614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:12:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5156eb1ff90e531efbbd8829d76e6bd3fa0b66c6a6b8eaa720fdb3773aaa08d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3fakjzZO2K1EZ4TADzwtZi.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fakjzZO2K1EZ4TADzwtZi
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe5156eb1ff90e531efbbd8829d76e6bd3fa0b66c6a6b8eaa720fdb3773aaa08d","isrc":"SEAMJ6700614","name":"The Boy That Old Santa Forgot","registered_at":"2026-03-20T06:12:03Z","spotify_id":"3fakjzZO2K1EZ4TADzwtZi","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5156eb1ff90e531efbbd8829d76e6bd3fa0b66c6a6b8eaa720fdb3773aaa08d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3fakjzZO2K1EZ4TADzwtZi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3fakjzZO2K1EZ4TADzwtZi.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xe5156eb1ff90e531efbbd8829d76e6bd3fa0b66c6a6b8eaa720fdb3773aaa08d","isrc":"SEAMJ6700614","name":"The Boy That Old Santa Forgot","registered_at":"2026-03-20T06:12:03Z","spotify_id":"3fakjzZO2K1EZ4TADzwtZi","type":"track"}
audio: The Boy That Old Santa Forgot
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.161
  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: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.583
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.09
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.284
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.655
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.812
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gläns över sjö och strand
type: MusicRecording
duration: PT1M8S
duration ms: 68120
explicit: false
by artist: Hep Stars
in album: Hep Stars Jul
  type: MusicAlbum
  date published: 2001-10-15
isrc code: SEAMJ6700622
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:10:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x599322beff0393d31e5ddea576be99e80ab91157f19969e9b9d3895cc303bd5f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/06Ksq7cEFwGxYTVbUHqZdG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06Ksq7cEFwGxYTVbUHqZdG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x599322beff0393d31e5ddea576be99e80ab91157f19969e9b9d3895cc303bd5f","isrc":"SEAMJ6700622","name":"Gläns över sjö och strand","registered_at":"2026-03-20T06:10:32Z","spotify_id":"06Ksq7cEFwGxYTVbUHqZdG","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x599322beff0393d31e5ddea576be99e80ab91157f19969e9b9d3895cc303bd5f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/06Ksq7cEFwGxYTVbUHqZdG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/06Ksq7cEFwGxYTVbUHqZdG.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x599322beff0393d31e5ddea576be99e80ab91157f19969e9b9d3895cc303bd5f","isrc":"SEAMJ6700622","name":"Gläns över sjö och strand","registered_at":"2026-03-20T06:10:32Z","spotify_id":"06Ksq7cEFwGxYTVbUHqZdG","type":"track"}
audio: Gläns över sjö och strand
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.861
  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: 0.384
  additional property: Energy
    type: PropertyValue
    value: 0.261
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.172
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.395
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.603
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nu tändas tusen juleljus
type: MusicRecording
duration: PT2M22S
duration ms: 142320
explicit: false
by artist: Hep Stars
in album: Hep Stars Jul
  type: MusicAlbum
  date published: 2001-10-15
isrc code: SEAMJ6700623
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:24:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a401da158b2854f1493fb967ccc0eae88b11236d0f1d6963f7d9e585abe600a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5imRqrFSbwjInp8LAer87s.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5imRqrFSbwjInp8LAer87s
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2a401da158b2854f1493fb967ccc0eae88b11236d0f1d6963f7d9e585abe600a","isrc":"SEAMJ6700623","name":"Nu tändas tusen juleljus","registered_at":"2026-03-20T06:24:04Z","spotify_id":"5imRqrFSbwjInp8LAer87s","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a401da158b2854f1493fb967ccc0eae88b11236d0f1d6963f7d9e585abe600a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5imRqrFSbwjInp8LAer87s.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5imRqrFSbwjInp8LAer87s.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x2a401da158b2854f1493fb967ccc0eae88b11236d0f1d6963f7d9e585abe600a","isrc":"SEAMJ6700623","name":"Nu tändas tusen juleljus","registered_at":"2026-03-20T06:24:04Z","spotify_id":"5imRqrFSbwjInp8LAer87s","type":"track"}
audio: Nu tändas tusen juleljus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.367
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.215
  additional property: Energy
    type: PropertyValue
    value: 0.153
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.731
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.107
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.703
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Stilla natt
type: MusicRecording
duration: PT3M2S
duration ms: 182733
explicit: false
by artist: Hep Stars
in album: Hep Stars Jul
  type: MusicAlbum
  date published: 2001-10-15
isrc code: SEAMJ6700624
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-03-20T06:11:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa07378378c9362e03a7fc8cddcb31e3fb0f89060b8d68920532b2c71e1748739
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1cMmzH9xNXtwq6lJZAKath.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cMmzH9xNXtwq6lJZAKath
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa07378378c9362e03a7fc8cddcb31e3fb0f89060b8d68920532b2c71e1748739","isrc":"SEAMJ6700624","name":"Stilla natt","registered_at":"2026-03-20T06:11:07Z","spotify_id":"1cMmzH9xNXtwq6lJZAKath","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa07378378c9362e03a7fc8cddcb31e3fb0f89060b8d68920532b2c71e1748739. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1cMmzH9xNXtwq6lJZAKath.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cMmzH9xNXtwq6lJZAKath.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xa07378378c9362e03a7fc8cddcb31e3fb0f89060b8d68920532b2c71e1748739","isrc":"SEAMJ6700624","name":"Stilla natt","registered_at":"2026-03-20T06:11:07Z","spotify_id":"1cMmzH9xNXtwq6lJZAKath","type":"track"}
audio: Stilla natt
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.765
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.217
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.933
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.157
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.999
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
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    value: Major

Dotter Sion
type: MusicRecording
duration: PT2M21S
duration ms: 141693
explicit: false
by artist: Hep Stars
in album: Hep Stars Jul
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4vkbvHoGcQvY7axUMmBiBt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4vkbvHoGcQvY7axUMmBiBt
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcdec31341def25c2545602da5e645d2ab07c723ded7636277e164e91569bcc4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4vkbvHoGcQvY7axUMmBiBt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4vkbvHoGcQvY7axUMmBiBt.
  date published: 2026-06-13T12:47:07Z
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Big-5 : Hep Stars
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  additional property: OTSRecordURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7IcaobCrdfZVe5Uu83xTQK
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35b0af494c3315bd19c0e14ecbae2366e53882cecb2a6eca05e8a16729c8ab5c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7IcaobCrdfZVe5Uu83xTQK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7IcaobCrdfZVe5Uu83xTQK.
    date published: 2026-06-13T12:47:07Z
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    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Farmer John
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    type: MusicAlbum
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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: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c3c3d52bff21e1381f0fe0cce26913ae30751b1764ce83a3dc161bf17c8df3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3AlDE3GdXUn8Pep1mxFcq0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3AlDE3GdXUn8Pep1mxFcq0.
    date published: 2026-06-13T12:47:07Z
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  additional property: OTSVerificationAPI
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  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: I natt jag drömde något som
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OTSHash
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OTSBitcoinBlock
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value: 953513

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953513

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/0afulPQTarAemEw2FpT32h.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0afulPQTarAemEw2FpT32h

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:47:07Z

OTSCanonicalRecord
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value: {"copyright_id":"0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3","isrc":"SEAMA6664010","name":"I natt jag drömde något som","registered_at":"2026-03-20T06:04:14Z","spotify_id":"0afulPQTarAemEw2FpT32h","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0afulPQTarAemEw2FpT32h.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0afulPQTarAemEw2FpT32h.
date published: 2026-06-13T12:47:07Z
text: {"copyright_id":"0xdb039407e9aa87fd7bba2c18fe7bfd91184a9d9ac8a93cb404df0c046b793da3","isrc":"SEAMA6664010","name":"I natt jag drömde något som","registered_at":"2026-03-20T06:04:14Z","spotify_id":"0afulPQTarAemEw2FpT32h","type":"track"}

I natt jag drömde något som
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additional property: Mode (Major/Minor)
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additional property: Danceability
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additional property: Speechiness
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additional property: Acousticness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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Wedding
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duration: PT2M58S
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ifMhaZn9IvBRhuSQM94ZU
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5f09cc1c823e7438e1e9cadf30e8777828525df5ba14bee761ccbfec85a3b5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ifMhaZn9IvBRhuSQM94ZU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ifMhaZn9IvBRhuSQM94ZU.
  date published: 2026-06-13T12:47:07Z
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Sing the Hits
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    date published: 2013-01-01
track: What Do You Want to Make Those Eyes For
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track: So Mistifying
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track: Only You
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track: Wear My Ring Around Your Neck
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    date published: 2013-01-01
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track: If You Need Me
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    type: MusicAlbum
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track: Farmer John
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    date published: 2013-01-01
track: Bald Headed Woman
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track: Whole Lot-Ta Shk-In Goin On
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track: Cadillac - Single Version
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track: Rented Tuxedo
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50th Anniversary 1964-2014
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50th Anniversary 1964-2014
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I natt jag drömde något som
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subject of: OpenTimestamps Proof of Existence
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I natt jag drömde något som
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subject of: OpenTimestamps Proof of Existence
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I natt jag drömde något som
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subject of: OpenTimestamps Proof of Existence
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Sunny Girl
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I natt jag drömde något som
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I natt jag drömde något som
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subject of: OpenTimestamps Proof of Existence
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Sunny Girl
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duration: PT2M23S
duration ms: 143333
explicit: false
by artist: Hep Stars
in album: 60 Top Hits from the 60s
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4oCkaxrrEAG3POH8e9eN98
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d628a6a60170ba2253b5c146d68849134fd84c5d6b54539b333fe61a15e18a8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4oCkaxrrEAG3POH8e9eN98.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4oCkaxrrEAG3POH8e9eN98.
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Sunny Girl
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by artist: Hep Stars
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I natt jag drömde något som
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duration: PT2M19S
duration ms: 139453
explicit: false
by artist: Hep Stars
in album: Cornelis Covers
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Speleman
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duration: PT3M51S
duration ms: 231160
explicit: false
by artist: Hep Stars
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2ad732e350e73c02816b2984f609b7870498353d7d5ad08d2857494f2ea7128. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0O6c2zsf1Rf9r095ZlkU9P.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0O6c2zsf1Rf9r095ZlkU9P.
  date published: 2026-06-13T12:47:07Z
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I natt jag drömde något som
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explicit: false
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in album: Gamla fina låtar!
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Sunny Girl
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duration: PT2M22S
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by artist: Hep Stars
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d628a6a60170ba2253b5c146d68849134fd84c5d6b54539b333fe61a15e18a8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Y4LEcVHTi9TGbFwwLiKtv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Y4LEcVHTi9TGbFwwLiKtv.
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Pojken som jultomten glömde
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9fb4cac19442389479e52ee8f2a033dc15e1bffed07cf8392dbf02726d0d9ff. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00m8btidrAp3gUlHswOLYu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00m8btidrAp3gUlHswOLYu.
  date published: 2026-06-13T12:47:07Z
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Pojken som jultomten glömde
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explicit: false
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9fb4cac19442389479e52ee8f2a033dc15e1bffed07cf8392dbf02726d0d9ff. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2leruL1jjVHRWSvJwaIVvb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2leruL1jjVHRWSvJwaIVvb.
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Cadillac (Single Version)
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I Natt Jag Drömde I Natt Jag Drömde
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Sweet Little Sixteen
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Summertime Blues
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duration: PT1M51S
duration ms: 111720
explicit: false
by artist: Hep Stars
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Be My Baby
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in album: Bubblegum Pop: 60's and 70's
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