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 0x5f26f3688d273519c406ec6a58cb1cc4ac0202eb5d210298677657a07183faed. Chain 2 (Bitcoin): anchored in block 953645 (2026-06-14T14:31:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ebeadf4-2e02-42b5-8f82-aae9aa0b6d72.json and https://artists.proofprofile.net/proofs/artist/3ebeadf4-2e02-42b5-8f82-aae9aa0b6d72.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x844327f6baf6bbbe500d499327f6fd924d7879816a1c45494d666d07fa936f8c. 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/US2Y30609491.
20th Century Masters: The Millennium Collection: Best of The Five Blind Boys Of Mississippi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78c1204bdb42e90afc3bb979c799c5da5344c0aec114e2bed46d871ed784ab2a. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/USMC17354760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f6c38e45d0cc5013d7af0303ab39f8f76d59ded26b9602d552635463a46ff6. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/USMC10200240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x231c12e229c3339d171a20776bb4d90f93c4f880351ebdca2db1bd5f4cec17de. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USMC10200241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a37870b7c8a9a02dc4b853f1ad5c987bdf9ee96ee40cae7e4e79997be7c3b4c. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USMC17350168.
The Five Blind Boys Of Mississippi Selected Hits
The Five Blind Boys Of Mississippi's In The Wilderness
Talking to Jesus (feat. Winton Cobb, Gregory Mullins, Versai Sain, Curtis Foster)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12a03a75e48f91236bf5bf825ec3158eab784f8b62949135fd0fc6327c14679a. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), 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/USM2U0801811.
Precious Memories - A Special Tribute to the Late Archie Brownlee
The Best of the Five Blind Boys of Mississippi