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 0xddedad7f51d03c8a8a9f0f55770ef33c935a729297cc511c386efe067f0ce756. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c456e307-f3f2-4aa9-8008-a868846afb7f.json and https://artists.proofprofile.net/proofs/artist/c456e307-f3f2-4aa9-8008-a868846afb7f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sophisticated Music for Working from Home - Piano
Piano Jazz - Background Music for Work from Home
Piano Jazz - Background Music for Cooking
Glorious Music for Private Lounges - Piano
Dream-Like Piano Jazz - Ambiance for Private Lounges
Fabulous Piano Jazz - Background for Hotel Lounges
Sublime Piano Jazz - Ambiance for The Holidays
Relaxed Background for Slacking Off Sundays
Music for Low Key Mornings - Debonair Soprano Sax Solo
Wonderful Background Music for Chill Imaginations
Sleep & Rain: A Relaxing Rain Ambiance And Piano Music To Rest - 2 Hours
Acoustic Smooth Jazz Guitar - Ambiance for Pleasant Nights
Acoustic Smooth Jazz Guitar - Background for Loving Autumn
Music for Chill Out Shapes - Cultivated Latin Piano Jazz
Acoustic and Electric Piano Jazz Duo - Background Music for Peaceful Thursday
Artistic Background for Chill Coffee Houses
Artistic Acoustic and Electric Bossa Nova Piano Duo - Bgm for Lazy Together
Acoustic and Electric Bossa Piano Duo - Music for Calm Tastes
轻松的爵士乐让你的学习更上一层楼
Complete Spa Tranquility with Piano Sounds
Keys to Ultimate Serenity in Piano Sounds
Piano Cadence: Mindful Notes for Concentration
Moments of Peace: Restful Relaxation with Piano Tunes
Piano Notes of Wisdom: Melodic Study Discoveries
Piano Paws: Melodies for Our Canine Companions
Office Symphony: Piano Melodies for Creative Work
Paws and Piano: Soothing Sounds for Man's Best Friend
Harmonious Asanas: Meditative Piano for Yoga Flow
Piano Precision: Melodies for Enhanced Focus
Piano Whisker Serenades: Melodies for Feline Bliss
Rain-Kissed Relaxation: Melodic Piano Bliss
Zen Breathwork: Rain-Kissed Piano for Yoga
Thoughtful Harmonics: Reflective Piano Music
Piano Paws: Meditative Melodies for Dogs
Concierto Mágico: El Mini Virtuoso en el Bosque Sonoro
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 0x931c074392ad855b1329dc54dda1c6234a46da4da467e3e1dacdc0c6ce8c6a2e. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/DEVU52515972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec679f4887fe9167b38945965028a3e6e76dba3e50ce5b39d23eedebd23165cc. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/DEVU52519169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x177e63dc00bead93f679771034b72b6f598a20dc3b6534018aa87ad41995ff8a. 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/DEVU52595771.