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 0xf18623174d5cce30acfc537cdb8ab176289a6728a129bec697cdcd1cf4be81e4. 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/e6e40738-9d31-4d23-b347-572e91627f2e.json and https://artists.proofprofile.net/proofs/artist/e6e40738-9d31-4d23-b347-572e91627f2e.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 0x664440f1081ece94361b01aa6ac4de8ad94e3a80175b7bf470ad1a364ffa304f. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/JPB600734701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb9f85f1003d8c9a23a56b567c16fdeee202c1cafe751c65d58f08c6cd705e7a. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPB600734706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5899dace2bd8b524015d4e976165ba152550bad77714c3833378f62b7660826. 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/JPB600660701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23748c1208c3c34dd6fa1566929b36f6000a562f4cffd02db56e8953a2f8e2d9. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T08:43:52Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB600660705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9077b4f0f5c480338e241d87724b198b9144928cfe5029a47fd0d7dd62f358f9. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB600991624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbfeef27828a625e01c3f882c01e0e7ebbd13565552116a2c0ce2391957604d. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB600805708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ab90ff0f3cdd34faa17d6a0532ab31b04ad02eaa9a3ea9e924069e4d4007cd0. 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/JPB600805710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5899dace2bd8b524015d4e976165ba152550bad77714c3833378f62b7660826. 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/JPB600660701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23748c1208c3c34dd6fa1566929b36f6000a562f4cffd02db56e8953a2f8e2d9. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB600660705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a4b251816cfd968ad5c333f026e33460e32257cb9f7c4db2e51b4d53db0b0c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-21T09:08:13Z), 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/JPB600991456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30026013a61478f6c8c14b4d1f6db24d7350810a1b10175db5f1c94874c53fbc. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB600805702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690e9d9e0793342e7233d594929b307c751981bb39bcfc45a3784050f06f9984. 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/JPB600805703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9077b4f0f5c480338e241d87724b198b9144928cfe5029a47fd0d7dd62f358f9. 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/JPB600991624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf18d65e8c6f15cf465076dd784ea0f78e46260b3b9ad591339fec51803103ef5. 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/JPB600805705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a69fbcb1a50190580fbb744ce0788eb8ebbba2ff059c4a9f221b1af9767f17. 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/JPB600805706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbfeef27828a625e01c3f882c01e0e7ebbd13565552116a2c0ce2391957604d. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB600805708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbfeef27828a625e01c3f882c01e0e7ebbd13565552116a2c0ce2391957604d. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB600805708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f6e8baa6323a352b0ed7950f36ac01401ad00be3f5db0f7a9981a2de385e010. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/JPD731400627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d48ebeb823f14696dd73f567a068a2aa2bfd1cdc3719cafd2db960c1732a9bb. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:37:32Z), 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/JPD731500943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579aa9066e226a7ea9605d72582dc85d565bf238e3389567563f7125b46c59bb. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPD731500946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3b0fa258a71d1189723bb2d1297885eff3d60809b5ad2310618e81a2836c0a. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/JPD731500944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f7923eef1d42f2c3a35c0c14d3faa23c3253f9581c4378b4017047d347f24aa. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/JPV751901373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d41e87a3ce2ccedfad7634e7f97c26933018282655248d46bf1fafeda1e957. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:07:25Z), 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/JPV752206124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52716a8ac3668e8b4c9bcfa1b9bf5ea1a3b64b3d4b780373b761a35e090480c. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPV752206718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc3cc090b25eaa5e37a50bd1a38745de4e481554dcca9ba17c2110c30679e6b. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/JPV752206719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6083449da52f2b626672d55a3712f4929eb5ee225f9ef6da4433f2a76a62ef0. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/JPV752206722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5050b0f601fddb4746685eb05d049e32b9eda151564fdc25d9661c1d17ce7d3d. 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/JPV752206724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b2b787c5e4c74d2659004e8dba4337fa74fde050ef80bc6ecd09bb6afcd223. 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/JPV752206723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27763eae40249ff5246def3801bd9dc897f30375224a4e4d79b09c4f421ed608. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:09:05Z), 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/JPV752206727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ebe42b9da2a5fac8bca7bbb6a2be427b4f7759ceb7e57e6eb340c5510c7d6fe. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV752206729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4dc0e5ab0cdd26e0ef987f3bd17101699e3d735a880b86c41cbf4ca7643ae8f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPV752206731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72c2403d3aa15ff1655da1dbccb34de4a965f2c4e5530a27b4b8cbf1f865ceba. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM92162731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cf390879db7d9c33ffc77f40b7e07f585ac08bac4239144aee502835724502a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPES00600822.
RESPECT!!! THE BLUE HEARTS -A Reggae Tribute to THE BLUE HEARTS-
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd08f2d1c0b8c894a9da53ce1586a1f9edd2c3cee7f4bef1b497daea3dd29ae09. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPBV00921690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29d3f3b2b510102f94f0bbe11f60531f93c52e5bf9d5e39909d0bfc5076abace. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPTO00600653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8def0c355aae90c37cac6d5a3c8ac1d018774be09ef97b9f35137bffe8fec07. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPTO00600663.