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 0x1afb90d75f95b402c3888fb0a2e0309bf55251d3792b738ea782b93592a536fb. 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/344c8593-5c10-4021-b436-ee14c3475bfa.json and https://artists.proofprofile.net/proofs/artist/344c8593-5c10-4021-b436-ee14c3475bfa.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 0x42fb619259d14f6146ca2d1a70a89d49d63091911b5a2e35b13524818b7e4b42. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2255846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6ef44796f766d0ed83e94f1d4851545fd49749b38445c85cf72cbdfb535da3. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QZFYX2360733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ba931f8f964aed1cfa2a7fa5edafbbdcb7061569e23d9291a24b4c62dadba3. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/QZHN82329988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5e083cdff981522dfdd9c24a5ede556da7fdbd51d29f5550c365b528a5e438a. 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/QZHN82357743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5e083cdff981522dfdd9c24a5ede556da7fdbd51d29f5550c365b528a5e438a. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZHN82357743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e4923f403251b193aab216a34a7021e316579ca47e48757146bbc85bd2125a1. 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/QZHN92335455.
ميدلي(دي الي خدتني مني - ولا كان - سيبي روحك)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6bbeaec612d203d044c741622f73dc69b3803d07b8c11f35a667eaa9abd7e2. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:33:40Z), 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/QZMEN2338787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b82273a217871307c10ce34b57961e25409acad80d4e7f5f85c0a6e498d0cd1. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/QZMEP2303126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3c9647b3aba292a797e1a0557d7f88b2aba38ef5f4dc8443cce1e6f82fa196b. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/EGMAG2477401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa297d01628d5e6606ea32ce5601d44f1e2e6ea1b114e8e5b486adf430a772dfc. 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/EGMAG2443301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7efa45bb9e04bfcde433fadd891786d03dc65384bff09257430d127ea71f533b. 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/EGMAG2432101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed69a26113037b1b3ecb8c4c464622c0e714c760b52152951c105f8e1242e13. 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/EGMAG2474901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe322cb04a99e26f45734555db7c271cebbea9714fcca494ffe7eb052752d47ba. 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/EGMAG2419332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36993d2e9ac3e6c69132d7f9688fd350b66f8bf13e183d7ed1e017a1cae8f50. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/EGMAG2491811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36993d2e9ac3e6c69132d7f9688fd350b66f8bf13e183d7ed1e017a1cae8f50. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/EGMAG2491811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7335276d1c6d7e66287577ecaab7c70bbed92f52b0077068c249ff9b2a8217b. 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/EGMAG2447853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a060f994c407d7015e60744d9a5660390fe201802032c5af5f139cdde4ae522. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T09:44:55Z), 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/EGMAG2441115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63a6a0f8b39f9cc7f695f0d549fbeb3e14d07df178a63d26c7030e9dc9b18c35. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/EGMAG2597937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb4b9999a2cb9d1daff8f34d59dbf89731c87ab33bf51303b75706b5de9c3a7. 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/EGMAG2577935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc5caf7557d8241b68771e4be8ce4e56d1f528ec0c8c2c5541ab6563a93f03a. 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/EGMAG2593440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e8922614f17428f2139db12e3160f3ca7d61bada824362490acd851c392c4a2. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:27:27Z), 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/EGMAG2524106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5983501be5a6f981a430325d68403a2bb6b861ba26d546db391f5219c08ea2e. 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/EGMAG2558331.