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album: New Orleans Jazz Cafe – Smooth Jazz Music for Relaxation, Rest After Work, Stress Relief, Good Mood, Meet Friends, Piano Bar Music Collection, Workout Plans, Relax Time, Positive Attitude, Jazz Songs
  type: MusicAlbum
  date published: 2015-03-04
album: Blue Mood Jazz – Best Instrumental Background Music, Leisure & Relax, De-stress & Good Vibes, Easy Listening, Bar Café Pub Restaurant Songs
  type: MusicAlbum
  date published: 2015-07-30
album: Jazzy Lounge: Piano Solo – Best Instrumental Background Music for Bar Café Pub Restaurant, Destress & Good Vibes Piano Songs
  type: MusicAlbum
  date published: 2015-08-25
album: Bossa Jazz - Blue Jazz Music, Piano Bar Jazz, Relaxing Jazz Sounds
  type: MusicAlbum
  date published: 2016-01-20
album: Cool Piano Jazz - Calming Piano Sounds, Soft Piano, Relaxing Jazz, Chilled Jazz, Lounge Jazz, Smooth Background Jazz, Jazz Music
  type: MusicAlbum
  date published: 2016-03-18
album: Peaceful Piano Jazz Music – Beautiful Piano Jazz Music, Slow & Soft Mellow Jazz, Smooth Jazz Music, Calming Sounds for Relaxation, Background Sounds to Calm Down
  type: MusicAlbum
  date published: 2016-03-21
album: Saturday Night - Most Relaxing Music to Relieve Stress, Close Your Eyes, Cafe Jazz, Simple and Beautiful, Jazz Sounds for Restaurant
  type: MusicAlbum
  date published: 2016-04-12
album: Jazz Club – Black Coffee, Smooth Piano Bar Music, Sweet Piano Jazz Music
  type: MusicAlbum
  date published: 2016-06-01
album: Jazz Piano Ambient – Ambient Chill Jazz, Soothing Jazz, Instrumental Background for Relaxation
  type: MusicAlbum
  date published: 2016-06-20
album: Sexy Jazz in the City: Best Smooth Piano & Sax, Cafe Bar Music Collection, Evening Lounge Relaxing Music
  type: MusicAlbum
  date published: 2016-06-20
album: Cocktail Party Jazz – Jazz Party, Piano Sounds, Background Music to Relax, Friday Beautiful Moments
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    subject of: OpenTimestamps Proof of Existence
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  track: Background Music
  track: Peaceful Piano
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  track: Cocktails & Drinks
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album: Lounge Jazz Bar – Drink Bar and Jazz Music, Favourite Jazz Sounds
album: Jazzy Jazzy Lady: Smooth Summer Jazz Session, Pure Sexy Instrumental Classics, Piano Lounge Bar
album: Ambient Piano – Best Soothing Piano Jazz, Guitar Collections, Smooth Music, Jazz Relaxation
album: Easy Listening Guitar Jazz – Smooth Guitar, Chilled Jazz, Mellow Piano, Soft Sounds, Restaurant Music
album: Night Piano Shades – Smooth Piano, Jazz Night, Beautiful Evening, Calming Jazz, Blue Moon
album: Evening with Piano Jazz – Smooth Jazz, Sensual Piano Sounds, Jazz Vibes, Vintage Music, Rest a Bit
album: Easy Listening Jazz Music – Smooth Jazz, Piano Bar, Restaurant Piano, Shades of Relaxation
album: Liquid Piano Atmosphere: Beautiful Jazz Music for Wine Tasting, Piano Bar Cocktail Lounge, Elegant Dinner Party, Romantic Classical Restaurant Cafe
album: Under the Blue Blanket – Soft Music, Rhythm Sleep, Cool for Fall Asleep, Blue World of Dreams
album: Jazz Swagger: American Funky Jazz, Cafe Bar, Lounge Background Music
album: Elegant Jazz Party – Beautiful Instrumental Sounds for Dinner, Romantic Evening, Cocktail Party & Any Elegant Occasions
album: Tranquil Jazz for Bedtime (Soft Piano Notes to Relax & Sleep - Calming Music for Total Relaxation)
album: Night Ibiza Jazz Lounge Club (Summer Jazz 2017 Collection, Cool Instrumental Songs for Party All Night Long, Easy Listening Music for Relaxation)
album: Time to Rest with Jazz
album: Chill Piano Lounge: Moody Piano Rhythms, Relaxing Time, Elegant Place
album: Laid Back Feeling
album: Relaxing Piano with Nature: Most Calming and Beautiful Piano Accompanied by the Nature for Sleep, Study, Meditation
album: Magical Piano Perfection (Relaxing Rhythms for All Day)
album: Soft Piano for Dreaming: Soothing Music to Fall Asleep & Relaxation
album: Piano bar de luxe jazz: Musique apaisante pour café-bar, Restaurant, Humeur calme
album: Good Feeling with Smooth Jazz Piano: Mellow & Soothing Music
album: Relaxing Jazz Music - Instrumental Time for Meditation
album: Fascinating Piano for Expensive Restaurant
album: Gentle Piano for Dinner
album: Piano Sleeping Time - Deep Jazz Melody for Rest and Relax After Long Day
album: Soft Piano Music for Studying Concentration: Peaceful Piano before Exams, Study Music, Relax
album: BGM Piano Jazz with Rain: Piano Jazz Bar
album: Αστικός πιάνο μπαρ άλμπουμ 2021: Αστικός κιθάρα για δουλειά από καφετέρια, Μυαλό nου χαλαρώστε τζαζ, Βελτιώστε την καθημερινή σας εργασία, Δημιουργικό πράγμα και εύκολη εργασία
album: Μαλακό πιάνο για ύπνο: Μουσική μασάζ πιάνου, Φθινοπωρινή απόλυτη συλλογή πιάνου από διαχρονικές μελωδίες για απόλυτη χαλάρωση, Χαλαρωτική μουσική πιάνου για ύπνο και ηρεμία
album: Beautiful Piano Lounge: Soft, Emotional and Touching Piano Pieces for Studying, Reading and Relaxation
album: Magical Piano Night - Nice Evening with Piano Jazz Music, Romance and Sensual Piano, Soft Instrumental Background Music
album: Autumn Bliss: Relaxing Collection of Autumnal Piano Jazz
album: Autumn in New York: Jazz Piano Bar Music, Background Instrumental
album: Winter Romantic Nights: Intimate Instrumental Piano
album: Jazz Piano for Sleep Disorders
album: Comfortable Piano Jazz for Cold Winter Day: Soft Pleasant Piano Music
album: Piano Jazz at Night
album: Times I Have Forgotten: Childhood Memories, Old Days
album: Nostalgic Piano Songs: Instrumental Piano Jazz, Calm Sad Sounds
album: Coffee Table Jazz: Classy Retro Cafe and Lovely Background Music
album: Sunny Autumn Piano: Peaceful Soothing Piano Jazz Instrumental Music to Keep Positive Mood
album: Feel Good Piano: Happy Autumn Morning Jazz Cafe
album: Jazz Music Lounge for Relaxation
album: Schmaltzy Piano Jazz Ballads
album: Nostalgic Fall: Atmospheric Piano Pieces for Cozy Bedroom With a Rainy Night
album: London Antiques Fair: Old Library Piano Jazz, Bookshop Autumn Atmosphere
album: Rekindling Love for Life: Jazzy Instrumentals to Evoke Emotions
album: Cozy Piano & Rain: Calm Piano Lounge and Nature Sounds for Relaxing,Chilling
album: Piano Relaxation
album: Midnight Melancholy: Relaxing Piano Bar Playlist
album: Midnight Melancholia: Piano Lounge Poetry
album: Midnight Not Sleeping – Nostalgic Piano Pieces
album: Sunday Solace: Cool Calm Cafe
album: Reflective Summer Nights

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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/PLL435010998
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T13:04:09Z
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 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 0xa67caa81e4f2bdea6fccbc71677f74a4259675ce12a8c2f97918d9c97e7641b6. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T13:04:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435010998 — a six-check JSON result.
  date published: 2026-07-19T13:04:09Z
audio: Magic Piano Sound
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 64.99
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.8
  additional property: Energy
    type: PropertyValue
    value: 0.05
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.93
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.127
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.468
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Background Music
type: MusicRecording
duration: PT3M36S
duration ms: 216000
explicit: false
by artist: Piano Lounge Club
in album: Cocktail Party Jazz – Jazz Party, Piano Sounds, Background Music to Relax, Friday Beautiful Moments
  type: MusicAlbum
  date published: 2016-06-28
isrc code: PLL435010999
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T02:07:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b3fd22ac386dd3650086ce51893b7bd51fdbc4d9f3aa957ca1bfc3f3384b834
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958955
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958955
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435010999
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T03:03:40Z
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 0x2b3fd22ac386dd3650086ce51893b7bd51fdbc4d9f3aa957ca1bfc3f3384b834. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435010999 — a six-check JSON result.
  date published: 2026-07-21T03:03:40Z
audio: Background Music
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 69.984
  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: 0.619
  additional property: Energy
    type: PropertyValue
    value: 0.039
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.882
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.169
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.616
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Peaceful Piano
type: MusicRecording
duration: PT3M12S
duration ms: 192000
explicit: false
by artist: Piano Lounge Club
in album: Cocktail Party Jazz – Jazz Party, Piano Sounds, Background Music to Relax, Friday Beautiful Moments
  type: MusicAlbum
  date published: 2016-06-28
isrc code: PLL435011000
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T06:28:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0cf71b5bfea9b9de1b4caa72fbdc77e66e136973d2d1af02e5b9c190b212584c
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/PLL435011000
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 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 0x0cf71b5bfea9b9de1b4caa72fbdc77e66e136973d2d1af02e5b9c190b212584c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435011000 — a six-check JSON result.
  date published: 2026-07-04T10:04:33Z
audio: Peaceful Piano
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.443
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.569
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.866
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.589
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.852
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Friday Night
type: MusicRecording
duration: PT3M27S
duration ms: 207157
explicit: false
by artist: Piano Lounge Club
in album: Cocktail Party Jazz – Jazz Party, Piano Sounds, Background Music to Relax, Friday Beautiful Moments
  type: MusicAlbum
  date published: 2016-06-28
isrc code: PLL435011001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T02:00:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fd7a9d1d5f7adcdb12ae39e8a0c12791692acbfe02d81951406fd602ae3afac
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/PLL435011001
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 0x2fd7a9d1d5f7adcdb12ae39e8a0c12791692acbfe02d81951406fd602ae3afac. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435011001 — a six-check JSON result.
  date published: 2026-07-05T10:01:46Z
audio: Friday Night
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.965
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.782
  additional property: Energy
    type: PropertyValue
    value: 0.221
  additional property: Speechiness
    type: PropertyValue
    value: 0.084
  additional property: Acousticness
    type: PropertyValue
    value: 0.848
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.832
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.467
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Cocktails & Drinks
type: MusicRecording
duration: PT3M21S
duration ms: 201142
explicit: false
by artist: Piano Lounge Club
in album: Cocktail Party Jazz – Jazz Party, Piano Sounds, Background Music to Relax, Friday Beautiful Moments
  type: MusicAlbum
  date published: 2016-06-28
isrc code: PLL435011002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T01:08:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1e3d703d9a5db573eb8713fc94350efc82d64b9dfdecf069b6ac7cc94d6c855
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435011002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T01:18:30Z
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 0xc1e3d703d9a5db573eb8713fc94350efc82d64b9dfdecf069b6ac7cc94d6c855. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435011002 — a six-check JSON result.
  date published: 2026-07-19T01:18:30Z
audio: Cocktails & Drinks
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 210.071
  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: 0.48
  additional property: Energy
    type: PropertyValue
    value: 0.21
  additional property: Speechiness
    type: PropertyValue
    value: 0.249
  additional property: Acousticness
    type: PropertyValue
    value: 0.895
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.927
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.802
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.238
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Piano Jazz Music
type: MusicRecording
duration: PT4M13S
duration ms: 253333
explicit: false
by artist: Piano Lounge Club
in album: Cocktail Party Jazz – Jazz Party, Piano Sounds, Background Music to Relax, Friday Beautiful Moments
  type: MusicAlbum
  date published: 2016-06-28
isrc code: PLL435011003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T04:14:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b1c5408b634cd92a4db409832405d1baccd9c23c5c0512a3c04a515dac43f9b
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/PLL435011003
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 0x1b1c5408b634cd92a4db409832405d1baccd9c23c5c0512a3c04a515dac43f9b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435011003 — a six-check JSON result.
  date published: 2026-07-05T10:01:46Z
audio: Piano Jazz Music
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 72.845
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.488
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.915
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.509
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.944
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Easy Listening Jazz
type: MusicRecording
duration: PT3M32S
duration ms: 212903
explicit: false
by artist: Piano Lounge Club
in album: Cocktail Party Jazz – Jazz Party, Piano Sounds, Background Music to Relax, Friday Beautiful Moments
  type: MusicAlbum
  date published: 2016-06-28
isrc code: PLL435011004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:03:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52fc5630e76c4cdb6c6a21cc2baa5bc7c3c5bf53a47b3f462db942d23213b2a9
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/PLL435011004
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 0x52fc5630e76c4cdb6c6a21cc2baa5bc7c3c5bf53a47b3f462db942d23213b2a9. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL435011004 — a six-check JSON result.
  date published: 2026-07-05T10:01:46Z
audio: Easy Listening Jazz
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.369
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.692
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.896
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.291
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.525
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Relaxing Music
type: MusicRecording
duration: PT3M13S
duration ms: 193333
explicit: false
by artist: Piano Lounge Club
in album: Cocktail Party Jazz – Jazz Party, Piano Sounds, Background Music to Relax, Friday Beautiful Moments
  type: MusicAlbum
  date published: 2016-06-28
isrc code: PLL435011005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T06:33:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe7798d5b7ece79017ba225c40d05b303c6e3a5d93f44aaeb979dc62fc1b01da8
additional property: OTSHash
additional property: OTSBitcoinBlock
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subject of: OpenTimestamps Proof of Existence
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Piano Lounge
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subject of: OpenTimestamps Proof of Existence
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Open Bar
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subject of: OpenTimestamps Proof of Existence
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date published: 2016-09-28

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date published: 2016-12-29

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type: MusicAlbum
date published: 2017-06-29

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Αστικός πιάνο μπαρ άλμπουμ 2021: Αστικός κιθάρα για δουλειά από καφετέρια, Μυαλό nου χαλαρώστε τζαζ, Βελτιώστε την καθημερινή σας εργασία, Δημιουργικό πράγμα και εύκολη εργασία
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type: MusicAlbum
date published: 2021-08-12

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type: MusicAlbum
date published: 2021-08-23

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type: MusicAlbum
date published: 2021-09-03

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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
date published: 2021-11-05

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type: MusicAlbum
date published: 2021-11-26

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type: MusicAlbum
date published: 2022-01-24

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type: MusicAlbum
date published: 2022-03-01

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type: MusicAlbum
date published: 2022-03-18

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type: MusicAlbum
date published: 2022-04-25

Coffee Table Jazz: Classy Retro Cafe and Lovely Background Music
type: MusicAlbum
date published: 2022-05-23

Sunny Autumn Piano: Peaceful Soothing Piano Jazz Instrumental Music to Keep Positive Mood
type: MusicAlbum
date published: 2022-08-07

Feel Good Piano: Happy Autumn Morning Jazz Cafe
type: MusicAlbum
date published: 2022-08-26

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type: MusicAlbum
date published: 2022-12-20

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type: MusicAlbum
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Nostalgic Fall: Atmospheric Piano Pieces for Cozy Bedroom With a Rainy Night
type: MusicAlbum
date published: 2023-09-30

London Antiques Fair: Old Library Piano Jazz, Bookshop Autumn Atmosphere
type: MusicAlbum
date published: 2023-10-19

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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
date published: 2024-05-06

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type: MusicAlbum
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type: MusicAlbum
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type: MusicAlbum
date published: 2024-07-02

Reflective Summer Nights
type: MusicAlbum
date published: 2024-07-15

Illusions of Reality (A Dreamlike Escape)
type: MusicAlbum
date published: 2024-08-22

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type: MusicAlbum
date published: 2024-09-23

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type: MusicAlbum
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