{"copyright_id":"0x780f0ab3fd29177fafffd73b97f0d9a4a6c96931af1cbd82d8636f041d5edf26","name":"Sad Piano Music Collective","registered_at":"2026-06-21T10:38:38Z","symbol":"NIM1900083","token_address":"0xdb1571c307fefbe3b65c662085e696a2d9e38dfd","type":"artist","uuid":"ea86c53b-3bae-46e0-ae55-ef3d9a5b83ce"}
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 0x780f0ab3fd29177fafffd73b97f0d9a4a6c96931af1cbd82d8636f041d5edf26. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea86c53b-3bae-46e0-ae55-ef3d9a5b83ce.json and https://artists.proofprofile.net/proofs/artist/ea86c53b-3bae-46e0-ae55-ef3d9a5b83ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sad Piano Music- Sad Piano Songs and Melancholy Music
Love Will Tear Us Apart (From "Saddest Songs" Movie Soundtrack)
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26b440841f4e6fa25670811e1c156effd6ddcfa573dcf04a2d313a73940a2a3. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/ITO101200147.
Sad Music: Sad Instrumental Piano Songs (Sad Songs that Make you Cry)
Piano Ambiente - Easy Listening Relaxing Piano Music
Sad Piano - Melancholy Instrumental Songs and Emotional Background Pianobar Night Moods for Broken Heart
1 Hour of Happiness - Relaxing Music with Nature Sounds
Relax Rain 20 - Best Relaxing Songs to Help you Sleep
Tranquilizing Hymn for Dogs with Piano Sounds
Calm Musical Path for Cats in Piano Sounds
Pets Lullaby: Piano Music for Your Furry Friends
Piano Jazz Grooves: Jazzing Up the Workplace
Woodland Harmony: Piano and Nature's Soundscape for a Peaceful Workspace
Focus by the Fire: Piano and Chill Sounds for Mental Agility
Dog Day Melodies: Piano Tunes for Your Furry Friend
Harmony of Rest: Tranquil Piano Resonance in Silence
Ethereal Reverie: A Journey through Piano Realms
Piano Harmony of Thought: Melodies for Clear Concentration
Elevated Vinyasa: Ambient Melodies for Yoga
Melodic Reflections: Serene Cat Piano's Harmonic Retreat
Soothing Piano Bonding: Ethereal Pet Harmony
Tranquil Piano Serenades: Relaxing Harmony in Keys
Keys of Comfort: Piano Moods for Relaxation
Piano Dreamweaver: Lullabies for the Soul
10 Sad Piano Songs: Touching Piano Music for Crying
Piano Rain Yoga: The Harmonious Flow of Rainfall
Massage Melodies: Piano Soothing Harmony
Autumn Moments: Relaxing Piano Collection
Whispering Stars: Instrumental Piano Music
Whispering Moonlight: Romantic Piano Songs
Glistening Horizons: Peaceful Piano Music