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 0xbe40f1e8222855e46ba60300c1798d1407d02c9d991bd3ade815b00520d209b9. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab78631e-cef8-4c64-bd9b-80e0bbc2f67d.json and https://artists.proofprofile.net/proofs/artist/ab78631e-cef8-4c64-bd9b-80e0bbc2f67d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Metal Rythm Guitars Backing Tracks Volume I
Metal Rythm Guitars Backing Tracks Volume II
A Day In Hellish Lands (Gaming Metal Version)
145 Bpm Thrashed Loops Metal Power Light
183 Bpm Thrash Metal Backing Track Our Flag
Dictatorial Thrash Metal Instrumental E Min
Deflagration Thrash Metal Soundtrack E Min
Full Illusion Nu Metal Backing Track D Min
Whole Death Nu Metal Backing Track D Min
Wolf Division Death Thrash Backing Track E min
Death Metal Type Beat Inhumate Little Things
Best Metal Guitar Backing Tracks Volume III
Best Metal Guitar Backing Tracks Volume II
Best Metal Guitar Backing Tracks Volume IV
Best Metal Guitar Backing Tracks Volume V
Best Metal Guitar Backing Tracks Volume VII
Best Metal Guitar Backing Tracks Volume VI
Best Metal Guitar Backing Tracks Volume VIII
Best Metal Guitar Backing Tracks Volume X
Best Metal Guitar Backing Tracks Volume IX
120 Bpm Heavy Metal Backing Track Angel X
Fight Us 199 Bpm Metal Backing Track For Drummer
Brutal Black Metal Backing Track Hell Pay Hell
Hellish Metal Backing Tracks From Tenebra