{"copyright_id":"0xf84cdadc3b31fdfa9e4eb4cda7b7cc2eab08a46b543898d77b8a901ab55fed76","name":"Sad Instrumental Piano Music Zone","registered_at":"2026-06-14T21:34:34Z","symbol":"NIM0583259","token_address":"0xe7c4f5b5b9b8bd5b16a43c8bcec1607481180925","type":"artist","uuid":"a2519ce0-7a3e-4b88-acc8-66ebecf585b6"}
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf84cdadc3b31fdfa9e4eb4cda7b7cc2eab08a46b543898d77b8a901ab55fed76. Chain 2 (Bitcoin): anchored in block 953743 (2026-06-15T04:52:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a2519ce0-7a3e-4b88-acc8-66ebecf585b6.json and https://artists.proofprofile.net/proofs/artist/a2519ce0-7a3e-4b88-acc8-66ebecf585b6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sad Instrumental Music: Jazz Piano Moods, Sentimental Journey for Broken Heart, Music That Will Make You Cry, Sad Love Songs for Melancholic Evening with Glass of Wine, Sad Life & Sad Story
Sad Piano Lounge Music (Melancholic Mood, Soft Instrumental Background, Songs that Make You Cry, Romantic Moments, Melody for Broken Heart)
Sad Instrumental Music Vol. 2 (Piano Songs for the Broken Hearted, Sad Love Music for Lonley Nights, Emotional Jazz Piano Moods, Ambient Music for Sadness)
Sad Breakup Story, Broken Heart, Sentimental Memories, Tear Full Cry, Melancholic Mood
Very Sad Piano Music: Emotional and Sentimental Song for Cry, Sad Piano and Love Song
Sad Piano Romance: 37 Instrumental Songs for Broken Heart, Shades of Sentimental Jazz Piano Mood, Music for Lost Lovers
Sentimental Piano Mood: Most Emotional & Sad Jazz for Broken Heart, 30 Shades of Nostalgic Piano
Last Goodbye - Nostalgic Jazz – Piano Bar, Instrumental Songs, Broken Heart, Sad Lounge, Background Music
Mellow Piano Soundscapes – Beautiful Piano to Calm Down, Piano Vibes, Easy Listening, Instrumental Jazz Music Ambient, Relaxing Jazz After Work
15 Meilleures sonneries le piano travail inspirant
Time of Lonely Nostalgia (Deep Relaxation, Piano Jazz Music, Thoughts, Hope)
Sleepy Piano Jazz Music. Gentle Sounds for the Little Ones
Jazz Piano Lullabies for Babies (Deep Sleep, Gentle Piano, Sleep Well)
Lazy Time During Stormy Weather: Calm Instrumental Jazz, Soul Melancholy, Dark, Moody, Melancholic
Calm Piano Lounge: Soft Instrumental Jazz Melodies. Reverie and Reflection Music
Start Day with Jazz - Transfer Your Bad Emotions and Feel Jazz Energy
Piano Bar Music Set - Soft Sounds for Bad Mood
Piano Jazz Instrumental - Relaxing Music for Rest
Dark Piano Lullabies - Pure Relaxation with Night Music
Saddest Piano: Music That Will Make You Cry
Another Day with Nostalgia: Melancholy Piano for Lonely Souls
Break into Pieces: Melancholy Instrumentals Jazz Background Music
Nocturnal Piano Serenade: Melancholy Soundscapes for Sleep, Study, Contemplation
Early Hours Jazz Piano: Have Coffee in the Kitchen, Jazz on a Rainy Weekend, Piano Bar for Breakfast Cooking, Home Cafe Piano Music Collection
Your Broken Heart: Very Sad Piano Lounge Music, Melancholic Mood, Soft Instrumental Background, Songs that Make You Cry
Ballet Recital: Soft Piano and Violin Music, Music for Ballet Class, Emotion in Motion
Emotional Piano: Solo Piano Jazz for Melancholic Times
Late Mellow Beats Piano in the Background: Smooth Instrumental Piano Jazz Standards, Peaceful Piano Acoustic Throwbacks
The Loney: Sad Piano Bar Instrumental Music, Sentimental & Beautiful Piano Songs
Solo Sorrow: Sad Solo Piano for Melancholic Mood
Melancholic Piano Lullabies (Piano Nocturnes for Sleeping)
Foggy Evenings (Piano Pieces, Soulful Relaxation in Your Favourite Cafe)
Sweet Days in Bed: Light Academia Calming Piano, Soothing Bedroom Music
Emotional Piano Pieces: Soft Beautiful Instrumental Music for Studying, Reading and Relaxation
Feelings & Falling Leaves: Sad Songs on The Piano for a Moody Autumn, and Chilly Fall Days
Autumnal Seclusion: Rainy Day Nostalgy, Sad Instrumental Jazz
Piano Confessions: A Journey of Sentimentality
Melancholic Piano Melodies: Heartfelt Reflections and Sentimental Ballads
Broken Heart: Heart Beat, Still Beating, Safe from Harm
Heartfelt Piano Melodies: Emotional and Sentimental Songs for Tears, Sadness and Love