Clarence Öfwerman
type: MusicGroup
popularity: 37
followers: 2085
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1f5aa6d2f6521077d6e4e2ef9abaf1f8e54c23a2263b00981f111bec3c26560
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/844825b5-e1ca-4925-9e23-444b48cda1af.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/844825b5-e1ca-4925-9e23-444b48cda1af.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/844825b5-e1ca-4925-9e23-444b48cda1af
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd1f5aa6d2f6521077d6e4e2ef9abaf1f8e54c23a2263b00981f111bec3c26560","name":"Clarence Öfwerman","registered_at":"2026-06-12T03:26:12Z","symbol":"NIM0172564","token_address":"0x5b3954db650462f9bfb55b440cf374c41a9263ba","type":"artist","uuid":"844825b5-e1ca-4925-9e23-444b48cda1af"}
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 0xd1f5aa6d2f6521077d6e4e2ef9abaf1f8e54c23a2263b00981f111bec3c26560. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/844825b5-e1ca-4925-9e23-444b48cda1af.json and https://artists.proofprofile.net/proofs/artist/844825b5-e1ca-4925-9e23-444b48cda1af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xd1f5aa6d2f6521077d6e4e2ef9abaf1f8e54c23a2263b00981f111bec3c26560","name":"Clarence Öfwerman","registered_at":"2026-06-12T03:26:12Z","symbol":"NIM0172564","token_address":"0x5b3954db650462f9bfb55b440cf374c41a9263ba","type":"artist","uuid":"844825b5-e1ca-4925-9e23-444b48cda1af"}
album: Flow
  type: MusicAlbum
  date published: 2017-11-14
  track: Flow
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214045
    explicit: false
    by artist: Clarence Öfwerman
    in album: Flow
      type: MusicAlbum
      date published: 2017-11-14
    isrc code: SE5IB1701959
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-29T01:54:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1ade7353ac8ab47e06138b735cac2d9b5de81f3130cda2890b34c1bdead4de3a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB1701959
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ade7353ac8ab47e06138b735cac2d9b5de81f3130cda2890b34c1bdead4de3a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB1701959.
      date published: 2026-07-02T16:51:38Z
    audio: Flow
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 118.078
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.355
      additional property: Energy
        type: PropertyValue
        value: 0.395
      additional property: Speechiness
        type: PropertyValue
        value: 0.051
      additional property: Acousticness
        type: PropertyValue
        value: 0.99
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.942
      additional property: Liveness
        type: PropertyValue
        value: 0.104
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.231
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.868
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Changes
  type: MusicAlbum
  date published: 2018-03-19
album: April
  type: MusicAlbum
  date published: 2018-06-20
album: Summer Waltz
  type: MusicAlbum
  date published: 2018-08-22
album: Arpeggio
  type: MusicAlbum
  date published: 2018-09-13
album: Snowflakes
  type: MusicAlbum
  date published: 2018-11-29
  track: Snowflakes
    type: MusicRecording
    duration: PT2M47S
    duration ms: 167605
    explicit: false
    by artist: Clarence Öfwerman
    in album: Snowflakes
      type: MusicAlbum
      date published: 2018-11-29
    isrc code: SE5IB1801135
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T18:46:29+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x76a2c65ab6c7f74c9b722500eace9adb0126231b5cd6a83b05e86a0fbe07ec41
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958447
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958447
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB1801135
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:47:19Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a2c65ab6c7f74c9b722500eace9adb0126231b5cd6a83b05e86a0fbe07ec41. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB1801135.
      date published: 2026-07-17T19:47:19Z
    audio: Snowflakes
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.861
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.336
      additional property: Energy
        type: PropertyValue
        value: 0.445
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Winter Waltz
album: Hope
album: Blue
album: Nocturne
album: Sunday afternoon
album: Chords
album: Spring waltz
album: Atlantis
album: Relief
album: Memories
album: Indigo
album: Awakening
album: Carousel
album: Gentle rain (revised)
album: Castle (revised)
album: Reflections
album: Remembrance
album: Remaining Light

Acousticness
type: PropertyValue
value: 0.996

Instrumentalness
type: PropertyValue
value: 0.936

Liveness
type: PropertyValue
value: 0.105

Valence (Positivity)
type: PropertyValue
value: 0.475

Loudness (dB)
type: PropertyValue
value: -11.739

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Winter Waltz
type: MusicAlbum
date published: 2019-02-07

Hope
type: MusicAlbum
date published: 2019-03-27
track: Hope
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238984
  explicit: false
  by artist: Clarence Öfwerman
  in album: Hope
    type: MusicAlbum
    date published: 2019-03-27
  isrc code: SE5IB1900406
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T11:20:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaca6816b8c73211e1396e6cb4e592017886419ef16567f28c8b33ca92536d9d2
  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/SE5IB1900406
  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 0xaca6816b8c73211e1396e6cb4e592017886419ef16567f28c8b33ca92536d9d2. 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/SE5IB1900406.
    date published: 2026-07-05T01:12:41Z
  audio: Hope
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 171.492
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.308
    additional property: Energy
      type: PropertyValue
      value: 0.124
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.962
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.07
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.128
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Blue
type: MusicAlbum
date published: 2019-05-14

Nocturne
type: MusicAlbum
date published: 2019-08-16

Sunday afternoon
type: MusicAlbum
date published: 2019-10-07

Chords
type: MusicAlbum
date published: 2019-12-16

Spring waltz
type: MusicAlbum
date published: 2020-03-20

Atlantis
type: MusicAlbum
date published: 2020-04-23

Relief
type: MusicAlbum
date published: 2020-05-29

Memories
type: MusicAlbum
date published: 2021-09-03

Indigo
type: MusicAlbum
date published: 2021-12-10

Awakening
type: MusicAlbum
date published: 2022-02-03

Awakening
type: MusicAlbum
date published: 2022-08-17
track: Spring Waltz
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196275
  explicit: false
  by artist: Clarence Öfwerman
  in album: Awakening
    type: MusicAlbum
    date published: 2022-08-17
  isrc code: SE5IB2000457
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T02:08:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb5d1af61d8778c4add1dac818ec003a5433593f3a0d795d374ebbb0f9d3af65d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB2000457
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5d1af61d8778c4add1dac818ec003a5433593f3a0d795d374ebbb0f9d3af65d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB2000457.
    date published: 2026-07-02T16:51:38Z
  audio: Spring Waltz
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.919
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.62
    additional property: Energy
      type: PropertyValue
      value: 0.027
    additional property: Speechiness
      type: PropertyValue
      value: 0.063
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.944
    additional property: Liveness
      type: PropertyValue
      value: 0.122
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.358
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.186
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Blue
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188537
  explicit: false
  by artist: Clarence Öfwerman
  in album: Awakening
    type: MusicAlbum
    date published: 2022-08-17
  isrc code: SE5IB1900767
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T13:49:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f1d9e061b3d9e7e19c675b03c42ffc4ddf8294a3f65ac7adcc2a372c5c7caa9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956551
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956551
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB1900767
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T21:18:05Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f1d9e061b3d9e7e19c675b03c42ffc4ddf8294a3f65ac7adcc2a372c5c7caa9. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB1900767.
    date published: 2026-07-03T21:18:05Z
  audio: Blue
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 76.254
    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: 0.495
    additional property: Energy
      type: PropertyValue
      value: 0.006
    additional property: Speechiness
      type: PropertyValue
      value: 0.09
    additional property: Acousticness
      type: PropertyValue
      value: 0.996
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.973
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.112
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.597
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Nocturne - Piano Version
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167500
  explicit: false
  by artist: Clarence Öfwerman
  in album: Awakening
    type: MusicAlbum
    date published: 2022-08-17
  isrc code: SE5IB1900997
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T10:22:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xba8d209e7dea007ce56bec7233a4e4e7e546391d10154d96aec260ce95da4dcc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956637
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956637
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE5IB1900997
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nocturne - Piano Version
track: Promenade
track: Castle

OTSTimestamp
type: PropertyValue
value: 2026-07-04T10:56:23Z

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 0xba8d209e7dea007ce56bec7233a4e4e7e546391d10154d96aec260ce95da4dcc. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/SE5IB1900997.
date published: 2026-07-04T10:56:23Z

Nocturne - Piano Version
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 133.461
additional property: Musical Key
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Promenade
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Promenade
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Castle
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additional property: OTSVerifyInstructions
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  date published: 2026-07-05T01:12:41Z
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Carousel
type: MusicAlbum
date published: 2022-10-07

Gentle rain (revised)
type: MusicAlbum
date published: 2023-02-03

Castle (revised)
type: MusicAlbum
date published: 2023-03-17

Reflections
type: MusicAlbum
date published: 2023-05-12

Remembrance
type: MusicAlbum
date published: 2024-04-12

Remaining Light
type: MusicAlbum
date published: 2025-05-16