"System of Survival" is a song by the band Earth, Wind & Fire issued as a single in September 22, 1987 on Columbia Records. The single reached number one on both the Billboard Hot Dance Music/Club Pla
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 0x18cc63eda543b6fe02b25643755e5caea6c656d7717f7068fde5f900e30ccb5a. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a2eac2ef-e3cf-465c-8518-f2591d2d332d.json and https://artists.proofprofile.net/proofs/artist/a2eac2ef-e3cf-465c-8518-f2591d2d332d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Smash Hits Book of Personal Files EP