1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x1bd08dc1b57189138502e7d3b7f31dd407eab8a986320e9fe8f0b2244b73c1a3. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/155277f3-d30a-4715-8135-d7d772daa6cd.json and https://artists.proofprofile.net/proofs/artist/155277f3-d30a-4715-8135-d7d772daa6cd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
a1 - Planet Rock (Africa Bambataa & The Soul Sonic Force)
b1 - You And Me Just Started (Linda Taylor)
Cash Box - O Som Acima do Normal - 01 - Kurtis Blow - America
Cash Box - O Som Acima do Normal - 02 - Con funk Sun - Eletrick Lady
Cash Box - O Som Acima do Normal - 03 - Bar Kays - Your Plce or Mine
Cash Box - O Som Acima do Normal - 04 - The Redding - Where did out love go
Cash Box - O Som Acima do Normal - 05 - Curtis Hairston - I want Your Lovin
Cash Box - O Som Acima do Normal - 06 - Band of Gold - This is our Time
Cash Box - O Som Acima do Normal - 07 - Radds & The Boys - Hitti'n And Holding Love
Cash Box - O Som Acima do Normal - 08 - James Brown - Froggy Mix
a1 - Keep Your Eyes On Me (Melô Do Cachorro 2)
b1 - Outside In The Rain (Melô Da Chuva 2)
03 - Johnny Gill & Coko (From Swv) - Fire & Desire
06 - The Controllers - Somebody's Gotta Win
10 - Enchantment - Don't Fight The Feeling
12 - Stacy Latisaw - Love On A Two Way Street
13 - Donny Hathaway - You Were Meant For Me
01 - People Bass - Don't Stop The Bass (Melô da Cashbox)
03 - Timmy Thomas - Why Can't WeLive Together
04 - Justan And Mandy - More Than I Can Say
08 - La Toya - Why Don't Yoy Want My Love
05 - Bobby Jimmy And General Jeff - Overlapping Waist
08 - Clay D. And The New Get Funky Crew - Freak Is a Freak
09 - Prep Mc - I Just Want To Use Your Love
10 - The Mission - Listen To The Mission
12 - Mc Nas-d And Dj Fred - It´s My Cadillac ( Got The Bass )
10 - Fila Fresh Crew - I Hate Go To Work
15 - The Finer Things In Life - Chuck Stanley
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 → block OTSBitcoinBlock must exist at that height 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 0x9653a6e547dcf0cf0015a86dd9fbe5afafb36a434440df758ce98095d4810bd0. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USHM21097842.