The Mayfield Four was an American rock band active from 1996 to 2002. They are best known for being fronted by Myles Kennedy before going on to form Alter Bridge. The band also consisted of guitarist
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 0x2724b3316b723e9253950bb634508a71ac020ffaa2dd31a3e5350b4a7755d798. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b24ede02-2ec2-42f4-896a-edd558731d19.json and https://artists.proofprofile.net/proofs/artist/b24ede02-2ec2-42f4-896a-edd558731d19.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 0x15f09fd5509814289dae6451a10ebe28fe6e1edf124edabb13b309c0b588bab8. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:22:25Z), 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/USSM19800198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6feb5c3397b2824249ae3c6432a4591399e4e64e12b4a986be37efb7a3b75d. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/USSM19800200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25da2c008b663b549c5905eed51c519148a37651c135e9c2d60ef3839c3948a7. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USSM19800190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bbe2609c53db5e6f134c16c09ed28a8b13470e58305068e9bbfdbd82169854a. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T20:05:53Z), 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/USSM19800194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb705326d9e7af02abc3ee9f2301fecd6c62ed2abadad6464c41580cad8ee4f5f. 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/USSM19800193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac32124ab57935a804ec036b5e145e2aa1be28d818bc6aa16caaed45dbae3704. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USSM19800189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x351f520bc21ec9cea2344416af1064a95cd8456d8b6ae12c9555f640fc822d4e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USSM19800199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6feb5c3397b2824249ae3c6432a4591399e4e64e12b4a986be37efb7a3b75d. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USSM19800200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac32124ab57935a804ec036b5e145e2aa1be28d818bc6aa16caaed45dbae3704. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USSM19800189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x351f520bc21ec9cea2344416af1064a95cd8456d8b6ae12c9555f640fc822d4e. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USSM19800199.