Koruso
type: MusicGroup
popularity: 18
followers: 57
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9479ce3da6e516450a3997e6122ea59215bfd0f82b5be22eebf357b036c63f88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953746
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953746
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a40f5fbc-c67d-4758-9244-935b7997dba6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a40f5fbc-c67d-4758-9244-935b7997dba6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a40f5fbc-c67d-4758-9244-935b7997dba6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T05:25:34Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9479ce3da6e516450a3997e6122ea59215bfd0f82b5be22eebf357b036c63f88. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a40f5fbc-c67d-4758-9244-935b7997dba6.json and https://artists.proofprofile.net/proofs/artist/a40f5fbc-c67d-4758-9244-935b7997dba6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
album: Berusad Av Dig
  type: MusicAlbum
  date published: 2020-04-10
  track: Berusad Av Dig
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197249
    explicit: false
    by artist: Koruso
    in album: Berusad Av Dig
      type: MusicAlbum
      date published: 2020-04-10
    isrc code: QZDA72052237
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T11:38:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x97aaf22c42a86abe905964f1b88bad85d99f59c4f6de67a12e37b55e57606d05
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959003
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959003
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA72052237
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T14:40:06Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97aaf22c42a86abe905964f1b88bad85d99f59c4f6de67a12e37b55e57606d05. Chain 2 (Bitcoin): anchored in block 959003 (2026-07-21T14:40:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA72052237.
      date published: 2026-07-21T14:40:06Z
    audio: Berusad Av Dig
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.927
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.695
      additional property: Energy
        type: PropertyValue
        value: 0.505
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.614
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.189
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.902
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.039
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: I´m not sorry (Remaster)
  type: MusicAlbum
  date published: 2020-04-23
  track: I´m not sorry - Remaster
    type: MusicRecording
    duration: PT3M39S
    duration ms: 219329
    explicit: false
    by artist: Koruso
    in album: I´m not sorry (Remaster)
      type: MusicAlbum
      date published: 2020-04-23
    isrc code: QZES62033386
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T22:55:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x963cf843ee2447543454f494e20c88dc814fb40259e0d4c94859f91147990e74
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958798
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958798
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62033386
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T01:58:22Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x963cf843ee2447543454f494e20c88dc814fb40259e0d4c94859f91147990e74. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T01:58:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62033386.
      date published: 2026-07-20T01:58:22Z
    audio: I´m not sorry - Remaster
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.036
      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: 0.695
      additional property: Energy
        type: PropertyValue
        value: 0.831
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
        type: PropertyValue
        value: 0.073
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.288
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.752
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.36
      additional property: Key Name
      additional property: Mode Name
album: Nu vaknar hela världen
album: No surrender
album: Livet ropar kom
album: Give me a break
album: Nightmare
album: Fri
album: Cover
album: Rytmen av ett regn
album: Christmas
album: So here we are/Happy new year
album: Då lever vi igen
album: Låt oss älska
album: Det brinner en eld
album: Christmas edition
album: Oceans hymn
album: Refused
album: So tender
album: Vårt hjärtas stad
album: Better than before
album: Can you feel that it´s Christmastime again
album: I min sommarstad
album: Din lilla hand (Till Doris)
album: Nightmare 2025

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Nu vaknar hela världen
type: MusicAlbum
date published: 2020-05-18
track: Nu vaknar hela världen
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204071
  explicit: false
  by artist: Koruso
  in album: Nu vaknar hela världen
    type: MusicAlbum
    date published: 2020-05-18
  isrc code: QZHN32033878
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T21:43:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7a3a39a2b6ef37a1f80d8af83ff331cfcdc17e2c40799be8f74421bd7043ad6c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958788
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958788
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32033878
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T22:07:06Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a3a39a2b6ef37a1f80d8af83ff331cfcdc17e2c40799be8f74421bd7043ad6c. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN32033878.
    date published: 2026-07-19T22:07:06Z
  audio: Nu vaknar hela världen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.996
    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: 0.565
    additional property: Energy
      type: PropertyValue
      value: 0.632
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.571
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.328
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.703
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.943
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

No surrender
type: MusicAlbum
date published: 2020-06-10

Livet ropar kom
type: MusicAlbum
date published: 2020-07-13
track: Livet ropar kom
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260883
  explicit: false
  by artist: Koruso
  in album: Livet ropar kom
    type: MusicAlbum
    date published: 2020-07-13
  isrc code: QZHNB2054322
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T18:38:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9b7c7e22e6163763e4eb64b8f52039d06be100a59d69bb516b9445c842c77ab3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958771
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958771
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2054322
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T21:40:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b7c7e22e6163763e4eb64b8f52039d06be100a59d69bb516b9445c842c77ab3. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:40:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2054322.
    date published: 2026-07-19T21:40:34Z
  audio: Livet ropar kom
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.063
    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: 0.576
    additional property: Energy
      type: PropertyValue
      value: 0.466
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.398
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.554
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.494
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.739
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Give me a break
type: MusicAlbum
date published: 2020-11-23
track: Give me a break
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196033
  explicit: false
  by artist: Koruso
  in album: Give me a break
    type: MusicAlbum
    date published: 2020-11-23
  isrc code: QZNWU2041866
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T23:47:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x75aa046c8bf9cd27d80d6b6690bd1fbf53c645d66ca1183b3f63b5dd1c085dd0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWU2041866
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75aa046c8bf9cd27d80d6b6690bd1fbf53c645d66ca1183b3f63b5dd1c085dd0. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWU2041866.
    date published: 2026-07-05T01:12:41Z
  audio: Give me a break
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 155.02
    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: 0.593
    additional property: Energy
      type: PropertyValue
      value: 0.914
    additional property: Speechiness
      type: PropertyValue
      value: 0.284
    additional property: Acousticness
      type: PropertyValue
      value: 0.147
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.304
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.559
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.035
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Nightmare
type: MusicAlbum
date published: 2020-12-07
track: Nightmare
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208830
  explicit: false
  by artist: Koruso
  in album: Nightmare
    type: MusicAlbum
    date published: 2020-12-07
  isrc code: QZNWX2060534
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T11:27:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6dd6f4bac05e37710dc4aed318cd252dac007eed0dfe88864fc965e8935032e1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958726
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958726
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWX2060534
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T11:47:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd6f4bac05e37710dc4aed318cd252dac007eed0dfe88864fc965e8935032e1. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWX2060534.
    date published: 2026-07-19T11:47:20Z
  audio: Nightmare
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.972
    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: 0.554
    additional property: Energy
      type: PropertyValue
      value: 0.718
    additional property: Speechiness
      type: PropertyValue
      value: 0.098
    additional property: Acousticness
      type: PropertyValue
      value: 0.036
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.248
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.676
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.541
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Fri
type: MusicAlbum
date published: 2021-02-21
track: Fri
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239592
  explicit: false
  by artist: Koruso
  in album: Fri
    type: MusicAlbum
    date published: 2021-02-21
  isrc code: QZDA42134101
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T13:08:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9634ec028b516beecba7c7d0fb22f26fa6d6a86080fff6362035700243dd52fe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958749
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958749
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42134101
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T16:10:17Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9634ec028b516beecba7c7d0fb22f26fa6d6a86080fff6362035700243dd52fe. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:10:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42134101.
    date published: 2026-07-19T16:10:17Z
  audio: Fri
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.076
    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: 0.622
    additional property: Energy
      type: PropertyValue
      value: 0.611
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.136
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.115
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.761
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.504
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Cover
type: MusicAlbum
date published: 2021-04-25
track: Cover me
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200059
  explicit: false
  by artist: Koruso
  in album: Cover
    type: MusicAlbum
    date published: 2021-04-25
  isrc code: QZHN52106953
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T17:34:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b99e8aa0ef5743cb654ce5e6300fa7f00c01b840c2eb16a16ad55647e4263ea
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106953
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b99e8aa0ef5743cb654ce5e6300fa7f00c01b840c2eb16a16ad55647e4263ea. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106953.
    date published: 2026-07-05T01:43:49Z
  audio: Cover me
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.101
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.671
    additional property: Energy
      type: PropertyValue
      value: 0.663
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.319
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.355
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.97
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.096
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Cruising on a saturday night
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184345
  explicit: false
  by artist: Koruso
  in album: Cover
    type: MusicAlbum
    date published: 2021-04-25
  isrc code: QZHN52106954
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T23:28:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb2abab55554a0676336aceef61a65cd43238236d01f587f1bb88090ae85d1b4b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958631
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958631
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106954
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T00:50:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2abab55554a0676336aceef61a65cd43238236d01f587f1bb88090ae85d1b4b. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106954.
    date published: 2026-07-19T00:50:09Z
  audio: Cruising on a saturday night
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.012
    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: 0.672
    additional property: Energy
      type: PropertyValue
      value: 0.568
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.076
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.215
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.733
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.123
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Loosing my religion
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267871
  explicit: false
  by artist: Koruso
  in album: Cover
    type: MusicAlbum
    date published: 2021-04-25
  isrc code: QZHN52106955
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T05:17:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf2fe4a2dd80624b3f4f97392091a5da4d8a2bd6e89d962861f047e4bb7c9dad0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956790
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956790
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106955
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Loosing my religion
track: Shut up and dance with me
track: Try everything
track: No surrender

OTSTimestamp
type: PropertyValue
value: 2026-07-05T12:31:54Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2fe4a2dd80624b3f4f97392091a5da4d8a2bd6e89d962861f047e4bb7c9dad0. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106955.
date published: 2026-07-05T12:31:54Z

Loosing my religion
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 125.639
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.715
additional property: Energy
  type: PropertyValue
  value: 0.667
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.73
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.176
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.901
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.482
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Shut up and dance with me
type: MusicRecording
duration: PT3M17S
duration ms: 197820
explicit: false
by artist: Koruso
in album: Cover
  type: MusicAlbum
  date published: 2021-04-25
isrc code: QZHN52106956
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T16:28:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79d2a73384a4c97deaa2214fa6524103d0ed41bb41ebd3bce6d3e48e98080174
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958601
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958601
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106956
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T19:27:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79d2a73384a4c97deaa2214fa6524103d0ed41bb41ebd3bce6d3e48e98080174. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106956.
  date published: 2026-07-18T19:27:02Z
audio: Shut up and dance with me
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.055
  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: 0.793
  additional property: Energy
    type: PropertyValue
    value: 0.647
  additional property: Speechiness
    type: PropertyValue
    value: 0.109
  additional property: Acousticness
    type: PropertyValue
    value: 0.466
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.316
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.675
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.8
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Try everything
type: MusicRecording
duration: PT3M15S
duration ms: 195451
explicit: false
by artist: Koruso
in album: Cover
  type: MusicAlbum
  date published: 2021-04-25
isrc code: QZHN52106957
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T05:03:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed7e698fa5114fba801e1a8bd38d51fe752148737c302747e0eece33a8ff12e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106957
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed7e698fa5114fba801e1a8bd38d51fe752148737c302747e0eece33a8ff12e1. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106957.
  date published: 2026-07-04T10:04:33Z
audio: Try everything
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.587
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.74
  additional property: Energy
    type: PropertyValue
    value: 0.444
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.265
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.38
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.895
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

No surrender
type: MusicRecording
duration: PT3M58S
duration ms: 238155
explicit: false
by artist: Koruso
in album: Cover
  type: MusicAlbum
  date published: 2021-04-25
isrc code: QZHN52106958
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T05:00:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76c0f709c1bca05cc0c75fc9592701c7d80e362403dde8c68e6bd4a5cc2b4946
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956790
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956790
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106958
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T12:31:54Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76c0f709c1bca05cc0c75fc9592701c7d80e362403dde8c68e6bd4a5cc2b4946. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52106958.
  date published: 2026-07-05T12:31:54Z
audio: No surrender
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 155.07
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.663
  additional property: Energy
    type: PropertyValue
    value: 0.562
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.17
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.505
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.925
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.16
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rytmen av ett regn
type: MusicAlbum
date published: 2021-09-11
track: Rytmen av ett regn
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202536
  explicit: false
  by artist: Koruso
  in album: Rytmen av ett regn
    type: MusicAlbum
    date published: 2021-09-11
  isrc code: QZMEQ2170818
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T14:51:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x452a7726d9819261e6dbd0ef62f51a2d6e2d815fd8a776fda0fc88bb6316f2bd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958568
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958568
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEQ2170818
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T15:23:47Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x452a7726d9819261e6dbd0ef62f51a2d6e2d815fd8a776fda0fc88bb6316f2bd. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEQ2170818.
    date published: 2026-07-18T15:23:47Z
  audio: Rytmen av ett regn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.305
    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: 0.612
    additional property: Energy
      type: PropertyValue
      value: 0.731
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.219
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.446
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.812
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.06
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Christmas
type: MusicAlbum
date published: 2021-11-12

So here we are/Happy new year
type: MusicAlbum
date published: 2021-12-04

Då lever vi igen
type: MusicAlbum
date published: 2022-04-11
track: Då lever vi igen
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219614
  explicit: false
  by artist: Koruso
  in album: Då lever vi igen
    type: MusicAlbum
    date published: 2022-04-11
  isrc code: QZHN42228010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T23:49:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7f944b23da02e7ef7650bd1a9d68134e73ace0504883c12b473da3f786e10290
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958798
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958798
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42228010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T02:52:54Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f944b23da02e7ef7650bd1a9d68134e73ace0504883c12b473da3f786e10290. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:52:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN42228010.
    date published: 2026-07-20T02:52:54Z
  audio: Då lever vi igen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.979
    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: 0.655
    additional property: Energy
      type: PropertyValue
      value: 0.768
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.297
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.306
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.89
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.418
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Låt oss älska
type: MusicAlbum
date published: 2022-08-15

Det brinner en eld
type: MusicAlbum
date published: 2022-10-10
track: Det brinner en eld
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198616
  explicit: false
  by artist: Koruso
  in album: Det brinner en eld
    type: MusicAlbum
    date published: 2022-10-10
  isrc code: QZRP52202812
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T16:54:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb2874d65518f7f46bb004f4fc11d5549fc367fd66ce77bf154de9fb18d1f2000
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958761
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958761
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52202812
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T19:55:50Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2874d65518f7f46bb004f4fc11d5549fc367fd66ce77bf154de9fb18d1f2000. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:55:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52202812.
    date published: 2026-07-19T19:55:50Z
  audio: Det brinner en eld
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.012
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.66
    additional property: Energy
      type: PropertyValue
      value: 0.573
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.272
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.117
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.889
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.391
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Christmas edition
type: MusicAlbum
date published: 2022-11-16

Oceans hymn
type: MusicAlbum
date published: 2022-12-03
track: Oceans hymn
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190648
  explicit: false
  by artist: Koruso
  in album: Oceans hymn
    type: MusicAlbum
    date published: 2022-12-03
  isrc code: QZTB52233295
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T05:24:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9cbceb4d984b71b4b457bbba2fed9e58d4fc111e56faa395c00523be1cba492e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958832
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958832
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB52233295
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T08:26:25Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cbceb4d984b71b4b457bbba2fed9e58d4fc111e56faa395c00523be1cba492e. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:26:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB52233295.
    date published: 2026-07-20T08:26:25Z
  audio: Oceans hymn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.999
    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: 0.735
    additional property: Energy
      type: PropertyValue
      value: 0.615
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.234
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.056
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.908
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.314
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Refused
type: MusicAlbum
date published: 2023-01-15
track: Angel
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178240
  explicit: false
  by artist: Koruso
  in album: Refused
    type: MusicAlbum
    date published: 2023-01-15
  isrc code: QZFZ22356881
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T12:53:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x227b0660f1809460bcee1b2a001a2fe4c3b4ce37bda2d1701143d68bedadac99
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958736
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958736
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22356881
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T15:54:00Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x227b0660f1809460bcee1b2a001a2fe4c3b4ce37bda2d1701143d68bedadac99. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:54:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22356881.
    date published: 2026-07-19T15:54:00Z
  audio: Angel
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.751
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.63
    additional property: Energy
      type: PropertyValue
      value: 0.73
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.376
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.912
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.437
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Deliver
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175215
  explicit: false
  by artist: Koruso
  in album: Refused
    type: MusicAlbum
    date published: 2023-01-15
  isrc code: QZFZ22356882
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T11:17:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x55ad9a06514a795f18f703d58c395874a049a1cbe713290b03d4add1408975ad
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958544
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958544
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22356882
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:14:37Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55ad9a06514a795f18f703d58c395874a049a1cbe713290b03d4add1408975ad. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22356882.
    date published: 2026-07-18T12:14:37Z
  audio: Deliver
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.995
    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: 0.584
    additional property: Energy
      type: PropertyValue
      value: 0.729
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.05
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.573
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.81
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.566
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Poppin´
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176703
  explicit: false
  by artist: Koruso
  in album: Refused
    type: MusicAlbum
    date published: 2023-01-15
  isrc code: QZFZ22356883
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T08:41:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x69faaf80bc166072794c8021dd067a0d960e38185a39930f18357c9b8a09560c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956790
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956790
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22356883
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Poppin´

OTSTimestamp
type: PropertyValue
value: 2026-07-05T12:31:54Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69faaf80bc166072794c8021dd067a0d960e38185a39930f18357c9b8a09560c. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ22356883.
date published: 2026-07-05T12:31:54Z

Poppin´
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 135.031
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.648
additional property: Energy
  type: PropertyValue
  value: 0.602
additional property: Speechiness
  type: PropertyValue
  value: 0.033
additional property: Acousticness
  type: PropertyValue
  value: 0.378
additional property: Instrumentalness
  type: PropertyValue
  value: 0.007
additional property: Liveness
  type: PropertyValue
  value: 0.385
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.922
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.64
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

So tender
type: MusicAlbum
date published: 2023-03-30
track: So tender
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188186
  explicit: false
  by artist: Koruso
  in album: So tender
    type: MusicAlbum
    date published: 2023-03-30
  isrc code: QZHN52395926
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T11:53:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x21611fdafd89e79125d4e2c36e8afbfc7921ec37bcb32b600a6d63d554fba42f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52395926
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T12:24:55Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T12:24:55Z
  audio: So tender
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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: Liveness
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    additional property: Valence (Positivity)
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Vårt hjärtas stad
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date published: 2023-05-04
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T01:46:19Z
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Better than before
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date published: 2023-10-05
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T05:55:47Z
  audio: Better than before
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Can you feel that it´s Christmastime again
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date published: 2023-11-19

I min sommarstad
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date published: 2024-05-18
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T03:52:09Z
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Din lilla hand (Till Doris)
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date published: 2024-05-21
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T16:04:29Z
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Nightmare 2025
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date published: 2025-04-10