The Deepest Blue is the fourth solo album (third studio album) by Margaret Urlich, released in July 1995 through Columbia Records. Retrieved 23 September 2022 from Discogs. In November 2010 the album
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 0x3d166bef29fc6753540db6d57c98059c995a5d51e9e08f7b791a28ff7c8e5790. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ef77521f-04fa-4c06-8d2a-faca38b3cfc1.json and https://artists.proofprofile.net/proofs/artist/ef77521f-04fa-4c06-8d2a-faca38b3cfc1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).