thumb|Clarence "Gatemouth" Brown playing guitar on stage in Norway (1981) thumb|308x308px|Clarence "Gatemouth" Brown in 1940s Duke-Peacock Records publicity photo Clarence "Gatemouth" Brown (April 18,
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeba7558919063cd2000c9abfc3ed403ffd008001e9562141853259a74a25b18. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1dbbcfc-afe7-4876-88ef-646df202abdb.json and https://artists.proofprofile.net/proofs/artist/f1dbbcfc-afe7-4876-88ef-646df202abdb.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
The Blues Ain't Nothin' (Recorded in France 1971-1973)
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc50c7d3743a7b02eedee2c0de646ab03bf9733172b2c0b0f72acb58cb37b8c62. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V87300110 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b91e792f2972eb3de18a8f1be4be2fd3e5cbd947e6c4421b2929f7603a5d455. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V87300115 — a six-check JSON result.
Calrence 'Gatemouth' Brown Sings Louis Jordan (The Definitive Black & Blue Sessions)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984a3a1c0bcb7a0af5da16046bf35148dde5f8383d753272e4b36becd1621cc3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR6V80210041 — a six-check JSON result.
Real Life (Live At Caravan Of Dreams, Fort Worth, Texas / 1985)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97f1ce4847312a6367ab1e230365f54a2a6401b40f5e420ea7f07c3f69b5c4f0. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL8977903 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18f8aa78e32341a28e7712ec36da4be35875527faa4240a039b57291b5f1e876. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL8977907 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6173bfbdf550b7ed90cf38f37f37317f4b538065e7de24b73630067246e3ffe4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL8977908 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74d7df95fbb4bf243dd3c217579a11cc9ee9135fcce68c9c08f9864a352120df. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL9280401 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4512c4e4169c876b5173d88a2ee893dfbdb2de376408a67c8c7de817b3a04b02. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ029401630 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49753f3cb1cbf7276b4a35df3f6e7ec34aa3b5759ec87926969b1c7389febcb5. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ029401640 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e82d556a7b5d635ef082cfb10d6a2a3e3e713b5e16ecaf8c28a4cedc92dd04. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ029503360 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03e26ca6237c7a77bdf1fc2452f0cefc52ec138a497607c6c61332322041f847. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ029503370 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6295e48eac784a0d461419bca91e6fc65759dbf40555769dff64ed44ffcd7b08. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPR39982160 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86426316a28167279544a450a4c915b6e9a15aca0af85a5d31f2b8b831d7762e. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGR10110452 — a six-check JSON result.
Clarence 'Gatemouth' Brown Selected Favorites
Clarence 'Gatemouth' Brown's You Got Money
Clarence 'Gatemouth' Brown's First Recordings 1947-1951
Clarence "Gatemouth" Brown Live in Concert
Masters Of The Last Century: Best of Clarence "Gatemouth" Brown
The Greatest Hits: Clarence "Gatemouth" Brown - Summertime
Masterpieces Presents Clarence „Gatemouth" Brown: 10 Greatest Blues Hits
Clarence 'Gatemouth' Brown, Live 1984 New Orleans
オーキー・ドーキー・ストムパー ～ピーコック・レコーズ・イヤーズ
Clarence Gatemouth Brown Blues & Rhythm Series Classics 1952-1954
Jazz Elite: Best of Clarence 'Gatemouth' Brown (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a73f8488d1d3985a3eb40072e88207aab21ae4efe167bf65a3c466274040724. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC17354717 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5927ce927585afda3877a8f41ab2ac4420a02d93c52239e22f85b89693a0df53. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71802313 — a six-check JSON result.
Boogie Ramble! The Blues of Clarence "Gatemouth" Brown
Taking My Chances - Early Career Recordings
Essential Classics, Vol. 761: Clarence "Gatemouth" Brown
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4540fc82e1110e43aab41b7f802ec2f38d0223e0c0e1edacdec83c0f142fd3c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL9280405 — a six-check JSON result.
Alligator Records 50 Years Of Genuine Houserockin' Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d54f02f5cadb9d0c29c6dec25b06917c087e9711db423e610bb46750a7fd1d2. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL2100015 — a six-check JSON result.
The Alligator Records 20th Anniversary Collection
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4c31e55f4af3dc92af3f05b13cdf3f487ddeabc63a7e64142a0de163dfd7b9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL9105614 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6173bfbdf550b7ed90cf38f37f37317f4b538065e7de24b73630067246e3ffe4. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL8977908 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18f8aa78e32341a28e7712ec36da4be35875527faa4240a039b57291b5f1e876. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USARL8977907 — a six-check JSON result.