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 0xcb222ba051b998e415df5cc0988b2349087c0ee9e8d1d9c90ce17bd377462baf. 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/cb7ef866-4e75-48e5-9210-894a721804bb.json and https://artists.proofprofile.net/proofs/artist/cb7ef866-4e75-48e5-9210-894a721804bb.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 0x86e10a3e2bb49dacf8a8886b747e59aca2f75abc11b551fd4e5c09d2fdf44d7a. 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/NLCK42214451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31ca653d4b63d4a48467e12a28c24db4a0ced5744ade80f06bdef15df77612fb. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/NLCK42214450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb3518c78cb77b63e2b16f1eefd628da81dd4612a92ad76d01b15b57035989e4. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T17:39:44Z), 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/NLCK42214452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94bca3a2d49e1358ccb85d52b6ec231057d8b49c98054bf96939e4eaf30b1a2b. 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/NLCK42214453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeae62924586c09e9d7d357c02ea80c4430b60cbe8086380a13a9d003e13e0843. 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/DEH742305554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd5da0b62dad6e3aaf3c8a03159b3bab815a067f1c86154a1304ccf84d1df04. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:43:47Z), 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/DEH742305555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97613f7cc357d2dd5236677d1daf63e9eaf1cc0f789cfae9ce5fbddee74fe7ff. 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/DEH742305556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x521a9e6b2b76fea8a78dcb6d3f057e81c9369ea177e707c66947c2098b3e8188. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:50:14Z), 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/DEH742309182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c6d7ed731d0b8d914ab1149d6691c69f9c9b328525b4af62056d0133b96e05. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/DEH742331439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a5fdc0b1810bfb778e279e86e8ee88c0855c8226fc94305bcd5aef6c43adb37. 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/DEH742331440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad53b0fc442bf94c6a1807bb54afe84e022de6d8e2480a9121f76594cf92fb8. 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/DEH742331441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4ec44d9e859b6f0299f802858e664cdc449abe208e3f5dda79b12d47a8f0833. 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/QZK6G2498765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c20004acc916344e03e6a018a8e99e946848c3102bcd4cd271374dafaa2f90. 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/QZK6G2498767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccbd0187b162058695fb1e212d36d6f3dcda647eb75d0f56b2bcd631a60e011b. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-16T00:07:13Z), 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/QZZ7R2494232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0e1cff497328eb8bc5b7036f451e2f3e6d67f2a62f35c76f8bdf27a1df7b63a. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:41:07Z), 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/DEH742512040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb706caa7b72426bcc368fcaa78f6942fdb38034eca203a9145908985b182f9. 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/DEH742512041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613b19755ab7f2b48bb9f69a9e7ec1a571994f2a26bdb10b94ab99cf36082a81. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/DEH742512042.
Global Underground #44: Amelie Lens - Antwerp (DJ Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf32b57d0e397377becdaf5d7bd2bf6b31ff553ae19ccdaba34a74a3a1f5f2ad7. 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/GBHFW2200089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x710b7ad681296040d4c11351b463a8652ef39b5978c5a6d35d3d9bcea0d8536b. 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/QZWFK2338415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e0a5b6938368454829c927b157c5f3bba79f83e24cffbabc9c5c5d935059d1a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLCK41095473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa17fe317fac7b8e52759c0aa591cab04657a91180048221420f02de660de076. 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/NLCK41094183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8473ab845de0e669704151103b7b55d01a1877497f0b0c96154f6fd90de4b92. 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/GBMJG2324427.