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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x937b82d75a8efa213979d34db33a146d5f6c829efcae7e09b071b5497b120aca. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3a45ad02-4760-47e1-8e3c-e78f45067f52.json and https://artists.proofprofile.net/proofs/artist/3a45ad02-4760-47e1-8e3c-e78f45067f52.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Classical Piano Music with Crackling Fire
Study: Piano Learning Relaxation Music Vol. 1
Peaceful Beat of Piano: Carefree Moments of Dogs
Peaceful Beat of Piano: Water Spa Melody
Piano Melodies for Spiritual Tranquility
Pet Music: Piano Music for Dogs and Cats
Comfortable Aura for Meditation in Piano Sounds
Maximizing Spa Effect with Cool Piano Sounds
Endless Piano Sounds for Ethereal Cat Vibes
Piano Paws: Soothing Waterfall for Pet Calming and Comfort
Harmony of Rest: Piano Melodies for Deep Sleep and Relaxation
Tranquil Storm: Piano Symphonies for Doggy Harmony
Yoga Serenade: Meditative Piano for Inner Peace
Harmonious Learning: Piano Sonata for Concentrated Study
Piano Relaxation: Gentle Melodies for Calm
Piano of Bliss: Music for Deep Relaxation
Piano Study Oasis: Melodic Concentration
Harmonious Baby Dreams: Piano's Nighttime Lullabies
Dog Whispers of Harmony: Enchanted Piano Resonance
Healing Touch: Spa & Massage Piano Melodies
Tranquil Keys: A Meditative Piano Journey
Piano Playtime: Tunes for Baby's Fun Moments
Harmonic Respite: Meditative Piano for Relaxation
Harmonious Tranquility: Meditative Piano Spa
Harmonic Work Symphony: Reflective Piano Resonance
Piano Serenades: A Meditative Spa Experience
Soothing Piano Reverie: Tranquil Melodies for Relaxation
Workday Respite with Piano Rain's Serenity
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5bda6693adfb845434409d77b94fc9885c108ebfc33ab88f651342cf868dbb5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZ5FN2465964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x762da0b5f8e586c0358387c7d76a3940d851f344ae06d7b586cae93a8df84e26. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZ5FN2465981.
Sleep Piano: Dreams of Slumbering Echoes
Serene Reflections: Meditation Piano Suite
Midnight Melodies: Piano Secrets Unveiled
Harmonious Stillness: Meditative Piano Journeys