LeoSky
type: MusicGroup
popularity: 17
followers: 51
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2d040d948e1bac540caaa2bc2795ed29b7f8175e3f199bdaede54e62af5adab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953803
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953803
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e8dce155-28fb-413e-a430-0085a0a40a9a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e8dce155-28fb-413e-a430-0085a0a40a9a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e8dce155-28fb-413e-a430-0085a0a40a9a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T15:41:00Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d040d948e1bac540caaa2bc2795ed29b7f8175e3f199bdaede54e62af5adab. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e8dce155-28fb-413e-a430-0085a0a40a9a.json and https://artists.proofprofile.net/proofs/artist/e8dce155-28fb-413e-a430-0085a0a40a9a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T15:41:00Z
album: Walking the Dog
  type: MusicAlbum
  date published: 2024-06-27
album: Summer Rain
  type: MusicAlbum
  date published: 2024-07-04
album: Deep Sleep Music Theraphy
  type: MusicAlbum
  date published: 2024-07-09
album: Hillsound Worship
  type: MusicAlbum
  date published: 2024-07-16
album: Driving at Night
  type: MusicAlbum
  date published: 2024-07-18
album: Lofi Groove in Seoul
  type: MusicAlbum
  date published: 2024-07-23
album: Soft Piano Melody
  type: MusicAlbum
  date published: 2024-07-25
album: Soft Guitar Melody
  type: MusicAlbum
  date published: 2024-07-29
album: Romantic Bossa Nova Jazz
  type: MusicAlbum
  date published: 2024-07-30
album: Deep Hip Lounge
  type: MusicAlbum
  date published: 2024-08-05
album: Beautiful Piano Worship
  type: MusicAlbum
  date published: 2024-08-06
album: Peaceful Meditation
  type: MusicAlbum
  date published: 2024-08-12
album: Oriental Meditation
  type: MusicAlbum
  date published: 2024-08-13
album: 힙 뉴잭스윙
  type: MusicAlbum
  date published: 2024-08-19
album: Romantic Slow Jazz Piano
  type: MusicAlbum
  date published: 2024-08-20
  track: Second Date
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151319
    explicit: false
    by artist: LeoSky
    in album: Romantic Slow Jazz Piano
      type: MusicAlbum
      date published: 2024-08-20
    isrc code: KSA012341249
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T10:54:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8239a1d1cb95e41f6fb19c8265b9e8bc20b2c790945ed6bac125c8aa96767fbf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959001
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959001
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012341249
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T11:41:42Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8239a1d1cb95e41f6fb19c8265b9e8bc20b2c790945ed6bac125c8aa96767fbf. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/KSA012341249.
      date published: 2026-07-21T11:41:42Z
    audio: Second Date
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.051
      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: 0.687
      additional property: Energy
        type: PropertyValue
        value: 0.179
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.955
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.904
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.493
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.487
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Retro Funky Soul
  type: MusicAlbum
  date published: 2024-08-26
album: Love Ballad Piano Melody
  type: MusicAlbum
  date published: 2024-08-27
album: Music that makes dogs happy
  type: MusicAlbum
  date published: 2024-09-02
album: Lullaby of Love and Peace
  type: MusicAlbum
  date published: 2024-09-03
album: Autumn Sonata
  type: MusicAlbum
  date published: 2024-09-09
album: Beautiful Guitar Worship
  type: MusicAlbum
  date published: 2024-09-10
album: Bossa Nova in Autumn
  type: MusicAlbum
  date published: 2024-09-23
album: For Real Deep Sleep
  type: MusicAlbum
  date published: 2024-09-24
album: Jazz Café in Autumn
  type: MusicAlbum
  date published: 2024-09-30
album: Relaxing Music for My Cat
  type: MusicAlbum
  date published: 2024-10-01
album: Emotional Cello Suite
  type: MusicAlbum
  date published: 2024-10-07
album: Children's songs of Piano Waltz
  type: MusicAlbum
  date published: 2024-10-08
album: Lofi Bossa Nova Jazz
album: Ambient Cosmic Wave
album: Hip&Vibe
album: Cozy Coffee Lounge
album: Soft Swing Jazz Piano
album: Retro Vaporwave
album: Magic Story Music1
album: Magic Story Music2
album: Grand Epic Story
album: Trap Music House
album: Grand Neo Medieval Story
album: Groovy Disco Night
album: Jazz for Sleep Deeply
album: Afrobeats Land
album: Jazz Carol for Christmas
album: Christmas Carol Music Box
album: Romantic Piano Carol
album: Blue Christmas Jazz
album: Romantic Slow Jazz Piano in Winter
album: Romantic Winter Bossa Nova Jazz
album: Soft Swing Jazz Piano in Winter
album: Winter NewAge Piano Suite
album: Winter Lofi Jazz Mood
album: Winter Elegy Soft Piano
album: Winter Soft Jazz Romantic Story
album: Chillout Jazz Round1
album: Acid Jazz on Groove
album: Chillout Jazz Round2
album: Smooth Jazz City
album: Soft Jazz Piano for Café
album: Happy Valentine's Day
album: Urban Life Groove
album: Classical Bossa Nova
album: Lofi Chillout Groove
album: End of Winter, Slow Piano
album: Waiting for Spring, Slow Piano
album: Jazz Piano for Spring
album: The Life-Blooming Spring, Worship Piano

Lofi Bossa Nova Jazz
type: MusicAlbum
date published: 2024-10-14

Ambient Cosmic Wave
type: MusicAlbum
date published: 2024-10-15

Hip&Vibe
type: MusicAlbum
date published: 2024-10-21

Cozy Coffee Lounge
type: MusicAlbum
date published: 2024-10-22

Soft Swing Jazz Piano
type: MusicAlbum
date published: 2024-10-28
track: SoftSwing
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154639
  explicit: false
  by artist: LeoSky
  in album: Soft Swing Jazz Piano
    type: MusicAlbum
    date published: 2024-10-28
  isrc code: KSA012356972
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T05:48:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xda5d1df711ab82edbf9a38811954d99a57c90a01489d8251ff94115edaf228d2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012356972
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5d1df711ab82edbf9a38811954d99a57c90a01489d8251ff94115edaf228d2. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/KSA012356972.
    date published: 2026-07-05T10:01:46Z
  audio: SoftSwing
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 63.137
    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: 0.614
    additional property: Energy
      type: PropertyValue
      value: 0.277
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.865
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.891
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.571
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.792
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Retro Vaporwave
type: MusicAlbum
date published: 2024-10-29

Magic Story Music1
type: MusicAlbum
date published: 2024-11-04

Magic Story Music2
type: MusicAlbum
date published: 2024-11-05

Grand Epic Story
type: MusicAlbum
date published: 2024-11-11

Trap Music House
type: MusicAlbum
date published: 2024-11-12

Grand Neo Medieval Story
type: MusicAlbum
date published: 2024-11-18

Groovy Disco Night
type: MusicAlbum
date published: 2024-11-19

Jazz for Sleep Deeply
type: MusicAlbum
date published: 2024-11-25

Afrobeats Land
type: MusicAlbum
date published: 2024-11-26

Jazz Carol for Christmas
type: MusicAlbum
date published: 2024-12-02

Christmas Carol Music Box
type: MusicAlbum
date published: 2024-12-03

Romantic Piano Carol
type: MusicAlbum
date published: 2024-12-09

Blue Christmas Jazz
type: MusicAlbum
date published: 2024-12-10

Romantic Slow Jazz Piano in Winter
type: MusicAlbum
date published: 2024-12-16

Romantic Winter Bossa Nova Jazz
type: MusicAlbum
date published: 2024-12-17

Soft Swing Jazz Piano in Winter
type: MusicAlbum
date published: 2024-12-23

Winter NewAge Piano Suite
type: MusicAlbum
date published: 2024-12-24

Winter Lofi Jazz Mood
type: MusicAlbum
date published: 2025-01-06

Winter Elegy Soft Piano
type: MusicAlbum
date published: 2025-01-07

Winter Soft Jazz Romantic Story
type: MusicAlbum
date published: 2025-01-13

Chillout Jazz Round1
type: MusicAlbum
date published: 2025-01-14

Acid Jazz on Groove
type: MusicAlbum
date published: 2025-01-20

Chillout Jazz Round2
type: MusicAlbum
date published: 2025-01-21

Smooth Jazz City
type: MusicAlbum
date published: 2025-02-03

Soft Jazz Piano for Café
type: MusicAlbum
date published: 2025-02-04

Happy Valentine's Day
type: MusicAlbum
date published: 2025-02-10

Urban Life Groove
type: MusicAlbum
date published: 2025-02-11

Classical Bossa Nova
type: MusicAlbum
date published: 2025-02-17

Lofi Chillout Groove
type: MusicAlbum
date published: 2025-02-18

End of Winter, Slow Piano
type: MusicAlbum
date published: 2025-02-24

Waiting for Spring, Slow Piano
type: MusicAlbum
date published: 2025-02-25

Jazz Piano for Spring
type: MusicAlbum
date published: 2025-03-03
track: Provence
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122079
  explicit: false
  by artist: LeoSky
  in album: Jazz Piano for Spring
    type: MusicAlbum
    date published: 2025-03-03
  isrc code: KSA012379467
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T07:09:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x45791385111a962d6ba7971e7765e0bf21698160563c2243bff1508d900b9148
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958690
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958690
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379467
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T07:14:39Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45791385111a962d6ba7971e7765e0bf21698160563c2243bff1508d900b9148. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379467.
    date published: 2026-07-19T07:14:39Z
  audio: Provence
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.02
    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: 0.205
    additional property: Energy
      type: PropertyValue
      value: 0.151
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.956
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.37
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.597
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Spring in Paris
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162479
  explicit: false
  by artist: LeoSky
  in album: Jazz Piano for Spring
    type: MusicAlbum
    date published: 2025-03-03
  isrc code: KSA012379468
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T14:30:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f7fbf001ceca347c07a8c3e3f695545d7ef8f14b2a4c4e76e6994e912e308cf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379468
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f7fbf001ceca347c07a8c3e3f695545d7ef8f14b2a4c4e76e6994e912e308cf. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/KSA012379468.
    date published: 2026-07-16T16:14:30Z
  audio: Spring in Paris
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.01
    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: 0.611
    additional property: Energy
      type: PropertyValue
      value: 0.242
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.982
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.919
    additional property: Liveness
      type: PropertyValue
      value: 0.124
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.675
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.003
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Happy Smile
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106839
  explicit: false
  by artist: LeoSky
  in album: Jazz Piano for Spring
    type: MusicAlbum
    date published: 2025-03-03
  isrc code: KSA012379470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T16:33:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb3721b834a03b5de259575b47b44caa825c469b8193fb72673e036d6b0b0444d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958316
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958316
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379470
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Happy Smile
track: Invitation to Dinner
track: Last Spring
track: Evening Walk
track: Spring Again

OTSTimestamp
type: PropertyValue
value: 2026-07-16T19:42:29Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3721b834a03b5de259575b47b44caa825c469b8193fb72673e036d6b0b0444d. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/KSA012379470.
date published: 2026-07-16T19:42:29Z

Happy Smile
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 111.486
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.307
additional property: Energy
  type: PropertyValue
  value: 0.205
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.994
additional property: Instrumentalness
  type: PropertyValue
  value: 0.969
additional property: Liveness
  type: PropertyValue
  value: 0.105
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.6
additional property: Loudness (dB)
  type: PropertyValue
  value: -15.417
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Invitation to Dinner
type: MusicRecording
duration: PT2M56S
duration ms: 176759
explicit: false
by artist: LeoSky
in album: Jazz Piano for Spring
  type: MusicAlbum
  date published: 2025-03-03
isrc code: KSA012379473
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T07:47:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d3a131bdbfc8b6dfe3262ecabe9cb3da27ea225d798e95ac13c049d6f19fb03
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956772
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379473
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:01:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d3a131bdbfc8b6dfe3262ecabe9cb3da27ea225d798e95ac13c049d6f19fb03. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/KSA012379473.
  date published: 2026-07-05T10:01:46Z
audio: Invitation to Dinner
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.205
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.517
  additional property: Energy
    type: PropertyValue
    value: 0.281
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.931
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.418
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.382
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Last Spring
type: MusicRecording
duration: PT3M33S
duration ms: 213959
explicit: false
by artist: LeoSky
in album: Jazz Piano for Spring
  type: MusicAlbum
  date published: 2025-03-03
isrc code: KSA012379474
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T08:31:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8c7e02d7577d97b09bab93ba276c8de7a14070bd87497ad4f737dae509ef9bb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958987
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958987
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379474
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T09:04:56Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8c7e02d7577d97b09bab93ba276c8de7a14070bd87497ad4f737dae509ef9bb. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379474.
  date published: 2026-07-21T09:04:56Z
audio: Last Spring
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.595
  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: 0.301
  additional property: Energy
    type: PropertyValue
    value: 0.268
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.95
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.264
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.38
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Evening Walk
type: MusicRecording
duration: PT2M27S
duration ms: 147839
explicit: false
by artist: LeoSky
in album: Jazz Piano for Spring
  type: MusicAlbum
  date published: 2025-03-03
isrc code: KSA012379475
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T01:56:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x477b518ef1e26146b2095d2d453634902999d4b514f731fded1b234ea89c0544
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379475
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T02:28:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x477b518ef1e26146b2095d2d453634902999d4b514f731fded1b234ea89c0544. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/KSA012379475.
  date published: 2026-07-17T02:28:59Z
audio: Evening Walk
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 67.494
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.436
  additional property: Energy
    type: PropertyValue
    value: 0.239
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.96
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.504
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.712
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Spring Again
type: MusicRecording
duration: PT3M5S
duration ms: 185959
explicit: false
by artist: LeoSky
in album: Jazz Piano for Spring
  type: MusicAlbum
  date published: 2025-03-03
isrc code: KSA012379476
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T11:56:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x738c04f1d4dcd00394bd521396eaa4e5f1bdb0e0faf5b0129d85f94ab63bb930
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956822
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956822
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379476
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T18:48:28Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x738c04f1d4dcd00394bd521396eaa4e5f1bdb0e0faf5b0129d85f94ab63bb930. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012379476.
  date published: 2026-07-05T18:48:28Z
audio: Spring Again
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.644
  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: 0.593
  additional property: Energy
    type: PropertyValue
    value: 0.275
  additional property: Speechiness
    type: PropertyValue
    value: 0.121
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.958
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.962
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.319
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Life-Blooming Spring, Worship Piano
type: MusicAlbum
date published: 2025-03-04

Bossa Springtime
type: MusicAlbum
date published: 2025-03-10

Acid Jazz Springs
type: MusicAlbum
date published: 2025-03-11

Romantic Slow Jazz Piano in Spring
type: MusicAlbum
date published: 2025-03-17

Ballad Piano for Sweet Deep Sleep
type: MusicAlbum
date published: 2025-03-18

Walking with my dog on a spring day
type: MusicAlbum
date published: 2025-03-24

Spring Days with My Cat
type: MusicAlbum
date published: 2025-03-25

Bossa Garage House
type: MusicAlbum
date published: 2025-03-31

Vincent, the Star
type: MusicAlbum
date published: 2025-04-07

Calm Morning Lake
type: MusicAlbum
date published: 2025-04-08

April of Resurrection, Worship Piano
type: MusicAlbum
date published: 2025-04-14

Heart Pulling
type: MusicAlbum
date published: 2025-04-15

Another CoffeeBreak
type: MusicAlbum
date published: 2025-04-21

Always TeaTime
type: MusicAlbum
date published: 2025-04-22

Rio Blue
type: MusicAlbum
date published: 2025-04-28

AL MOKHA
type: MusicAlbum
date published: 2025-04-29

Happy Puppy Waltz
type: MusicAlbum
date published: 2025-05-12
track: Afternoon Walk
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96719
  explicit: false
  by artist: LeoSky
  in album: Happy Puppy Waltz
    type: MusicAlbum
    date published: 2025-05-12
  isrc code: KSA012387775
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T07:13:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf561e51ea514835c3a678dc331b498c8d5bc51021d2e5e8f757b4357bfde4fb7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959107
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959107
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012387775
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T07:19:23Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf561e51ea514835c3a678dc331b498c8d5bc51021d2e5e8f757b4357bfde4fb7. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/KSA012387775.
    date published: 2026-07-22T07:19:23Z
  audio: Afternoon Walk
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 182.458
    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: 0.54
    additional property: Energy
      type: PropertyValue
      value: 0.172
    additional property: Speechiness
      type: PropertyValue
      value: 0.19
    additional property: Acousticness
      type: PropertyValue
      value: 0.968
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.933
    additional property: Liveness
      type: PropertyValue
      value: 0.12
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.992
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.942
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Happy May Children
type: MusicAlbum
date published: 2025-05-13

Jamaica Blue Mountain
type: MusicAlbum
date published: 2025-05-19

Ambient Down to Sleep
type: MusicAlbum
date published: 2025-05-20

Hawaiian Kona
type: MusicAlbum
date published: 2025-05-26

Sweet Dream with My Cat
type: MusicAlbum
date published: 2025-05-27

Lunar Eclipse Piano
type: MusicAlbum
date published: 2025-06-03

Moonlight Piano Lullabies
type: MusicAlbum
date published: 2025-06-10

All that Lofi Café
type: MusicAlbum
date published: 2025-06-16

Mellow SwingDays
type: MusicAlbum
date published: 2025-06-17

Soft Samba and Love
type: MusicAlbum
date published: 2025-06-23
track: Last Samba
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218519
  explicit: false
  by artist: LeoSky
  in album: Soft Samba and Love
    type: MusicAlbum
    date published: 2025-06-23
  isrc code: KSA012394534
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T13:11:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5e0c553e985707ccc62654aa399dd3fc7396de8254dc9e1cb4385e599a5c5f00
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959134
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959134
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KSA012394534
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T13:34:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e0c553e985707ccc62654aa399dd3fc7396de8254dc9e1cb4385e599a5c5f00. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/KSA012394534.
    date published: 2026-07-22T13:34:27Z
  audio: Last Samba
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.665
    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: 0.49
    additional property: Energy
      type: PropertyValue
      value: 0.348
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.885
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.952
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.262
    additional property: Loudness (dB)
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Ambient Piano for Deep Focus
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Cheerful Waltz for Kids
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Solution Music for Study
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July Breeze Jazz Piano
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Summer Lofi Café
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Romantic Slow Jazz Piano in Summer
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July Morning Soft Jazz Piano
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Watercolor on a Rainy Day: Acoustic Guitar
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Acid Jazz in Summer Rain
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Summer Again, We
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Nova Summer Breeze
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Romantic Bossa Nova Jazz in Summer
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Jazz Piano for Summer
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Worship Piano for Prayer Vol.1
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Soft Swing Jazz Piano in Summer
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Summer New Age Piano Collection
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Jazz BGM for Café 1
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Autumn Acid Jazz
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Jazz Piano for Autumn
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Soft Swing Jazz Piano in Autumn
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Romantic Slow Jazz Piano in Autumn
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Romantic Bossa Nova Jazz in Autumn
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date published: 2025-09-23

Happy BGM World 2
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date published: 2025-09-29

Worship Piano for Prayer Vol.2
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Jazz Piano for Autumn Café_Pier57
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Sweet Soft Waltz Piano
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Mother & Baby Dreams (Piano & Cello Lullaby)
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Acid Jazz in November
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When one season yields to another_Harmonica&Piano
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Jazz BGM for Café 2
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