1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x5998eb71e67a3c03b2421d4e2eff8ec3f0fbd091f635a094bb885a27a3c7f43e. 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/ac5501ec-012e-4b22-8d1b-378719010288.json and https://artists.proofprofile.net/proofs/artist/ac5501ec-012e-4b22-8d1b-378719010288.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 → block OTSBitcoinBlock must exist at that height 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 0x7801298abfc4e4c06e51fe0c776b91ab80855da764e0e803350b268dea0b9836. 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/FRX190802366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbcc60000c17cccb13089d40d14b6c8fd688463e759b78843e8b0b204b986a2c. 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/FRX190802368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf644b592754339ca437607b0f5aab4162e1adb485a6043296843fde58b70a9b. 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/FRX190802370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc122f755fb025fa907d1446300a6b83036212e8cb2e715610bf7fb5fd5c23a8c. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/FRX190802371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2718d4b6388f88890e6f3315ea26794340212dc0e538012399e63768002f1f5. 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/FRX190802372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05956c6468a54ad516c9b8b61c875c2d7e58db241c21bd3de9db4cf709dcd397. 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/FRX190802373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f0929831e07c3952fa734e65a56310531a962158dec7c9167aed54fcfc8b119. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX191001634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e641aff19ad00225eee6aff3bc810ed5c8751b353de109964e0b75a47b33b4. 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/FRX191001637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe02dc07608784c9723fa80bd377a78a92524bbb52706f57480bc04f5bc96c06f. 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/FRX191001638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21e650377c292d1e4e7f0db795b47f39d73a5e56c35a75c8b75d71e2518850b3. 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/FRX191201770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa829b85fbc597168e59a50cfb03a177cd7887e07ae0e932e421aca145e577abc. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:02:11Z), 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/FRX191201771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed6d3354e320714b92b81f76ed0568f9888275a44c1e3105d9fa513a38cbb106. 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/FRX191201773.
Pop In Jazz (The Greatest Jazz Covers of Pop Hits)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3708239891f1febc6a1b0718e9d4028e78e8f61231e0405165aa3b1e664fc28. 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/FRX190802365.
Michael Jackson Revisited (A Tribute to Michael Jackson)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe02dc07608784c9723fa80bd377a78a92524bbb52706f57480bc04f5bc96c06f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRX191001638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22213eb337e8deab13203524c9b6cd643eb5b5175c1a8ed5d303995ce7b56152. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/FRX190802367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf644b592754339ca437607b0f5aab4162e1adb485a6043296843fde58b70a9b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX190802370.