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 0xb9dbfd8a627d573c40bbecf91509dc1dd29e8a87c4f1ebe3e6cc9b63a34bc8d9. 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/c78caa9b-b177-42ae-91a8-6f179e92bb6f.json and https://artists.proofprofile.net/proofs/artist/c78caa9b-b177-42ae-91a8-6f179e92bb6f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
You Break It, You Bought It! (Remastered)
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 0x2e636b762d652f0160422402fa8ee695cc7d598b8e0e1251dc672896177ef9a0. 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/USCGJ1642684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55666fe82dab1e12ce76d2d0c1b1e378d385f8ef51a749896eb6f2a912069f5. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USSM10025931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eeb9c6efe927e0e9950f6145c50116c4e3719e84e43208a161de2109515a2a0. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USSM10025929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16916f54a46a2f3d0f3367a3943a35146db544c20d6bc59476214e95594a1a78. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:24:07Z), 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/USSM10026596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x044cdffe72c3b5f946d82e1da4541f07e88e69ba4f9d65ae25aee9c1168c221a. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/USSM10025925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef707eaf927a1ac77c68a01bbade0f35a2f04d071bc163a287673876694c39c7. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/USSM10025927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf37d5a68caa90fabed490eaaa328ed82f39588cd61951892e40e6dc401530c21. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/USSM10026597.
I'll Never Need Anyone More (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a0ab99bbc6da592bab0ad453848101ab7d17f9c1e67db74d34d99c9438360d. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/USCGJ1642662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c8e76e9fc3c67bc57e69dd0950fb3f6ce374c53087b98113a54c03a3118132. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T03:24:33Z), 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/USCGJ1642664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c0195d2e4ed15f5e375f05ff7c3950ea4cc64f9cba2f1d245fa28ae836b4b31. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/USCGJ1642666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe1c222fc6d605ed1eeda3f2074b255ac218b427e2f7708b1d0800d3f7c3d70a. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:10:15Z), 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/USCGJ1642668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18d4e356a7e274692c1f2eac0a2101b741b5b0b359f4f0600dadf8e6f598b0b2. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T04:10:21Z), 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/USCGJ1642669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe107fb5fc564a50cd9f7124f9a8e877ba9a45d74daa5c80538fc84b659eb10c9. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/USCGJ1642670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2613a63a550b1a5234ea0711f761f4e962239ba94069a49162c4a28e60a57cc2. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:17:07Z), 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/USCGJ1642671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151045b291c4fe9b2b2ea23b1dd14567774b861071c8adc353d37ef44cab3079. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/USCGJ1642672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f089fda88e526acd5ba40df2655fcbc28adfc6b5c5f13dd16903f379e7c3c8. Chain 2 (Bitcoin): anchored in block 957745 (2026-07-12T19:20:20Z), 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/USCGJ1642698.
When You're Heart Says It's Right (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x670a0b934d473c5a0069233e2c4de7d7b66eb36bd0775f26efc2f6b59ff48e49. 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/USCGJ1642699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2abec8cd6c0dfe45d5b8c5c67aa9e2165c145d4fbabdef97b42acb2b2b6f2bd8. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/USCGJ1642700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd07563e7a4427e06d36563a7581df00182a93f906c20aa4e5d46440346a9282e. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1642686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf12e98a71530232ee6986a121ff22654d4a9a1e95312ff9e3c25afe8bd53855. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USCGJ1642688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bffcdaa9a87072ecfa457939cda73f62669809cb55885394d8d53312c66e9a7. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USCGJ1642689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2eda5676c2666830b5b2b5c751a2b6ab7381a6163e59758c7cbbe4532b3db4e. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:06:33Z), 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/USCGJ1642690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x253ba8b7c19707aad280fc80c461ca7f6557b2826397a56cf2cedc042f0cfd3b. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/USCGJ1642695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6220039733333912fa6c5bcec67ab4e5918ccfa013d8988d437b7f09a76ad9fa. 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/USCGJ1642628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eefd762cb5446e2614b214681379631dd3034fba701d4d9ee8a5fd06b7dd4c1. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/USCGJ1642629.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46170d20f15ba9e0772b3abbef81c215ca2464f72e3ec9c2acfa24ee36930c88. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USCGJ1642630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf58ac1b0035fdab5a2b064e2423277ce2479ffa1751151d5445ac7758f2854f. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T18:26:24Z), 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/USCGJ1642633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19319b2c81dcdfaf2090d3236cf4a9251d52be0773907ca186eed32ecbb395d2. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:00:27Z), 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/USCGJ1642652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda9d0c3b99edafb3093259196dbd5408ff8bf155b1824ccd51553983ea0cd0c7. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USCGJ1642654.
Right Back at Ya: 1971-1983 (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4063f58326ab8cb61c37c92cad4dfc829ea598142702eade21eacaddc53aa892. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/USCGJ1690483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x020f367cf815036ee54ce3a113b904fa83b5fcd7b2faaddcbdcd72b1a105602a. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USCGJ1690484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3950f460624abbc07f9856e2821d9ff89845a4ac5b027209715a502dc6b63b0d. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T01:53:28Z), 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/USCGJ1690491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e5affa715d887b88681fc39e9bcf322844aaab11ba497fb9734cd6ca7cc86ae. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), 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/USCGJ1690498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061905f62b522157490ac9cd0cab77f5a32f1ce163733f88542d62b136b459ab. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAR11700026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73217059accfd8d7c3d307e0b60269c634c61792b24039f76bbd9bff67d67315. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T23:07:09Z), 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/USAR11700028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5b900f58ef26dfd7b5d0a19fc79a7271e89dad7c91d105f47854dea63d125c. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/USAR11700029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd3ff8a4550e3eb36c999415ab39eff17d5229582bc319c0047d07af91b1970. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T19:06:40Z), 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/USAR11700030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd034df58d15278a633fd1755ebc6bf4f91f7d744c0f6547f7c0cd0b85c44d23d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USEM39200276.