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 0xea223d724e576b95a858c304685ca4a749e6436d49837b501fc21b6cf99ac618. 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/4abdf828-c1f3-436e-bcb7-49b1cd61e419.json and https://artists.proofprofile.net/proofs/artist/4abdf828-c1f3-436e-bcb7-49b1cd61e419.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 0x1c777cae0e4307a570e1875e75995d49bd5ace32d31916644872904f209cd12d. 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/CH2010004711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x206459dbe38daad8386d76cede0a6eafac807aa5d47bcc4ba8888407b3b301b9. 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/CH2010004715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8969fafb770ec29dcbdb1beda89d0990e8226b810bfe69c5de9a409f1a0d444a. 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/CH2010004716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dd1de6dc054435eb5bb5140c88dc38f5b691010031f2af36bdbceb35bc9d0f6. 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/CH2010004721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6bca9ccfb5f416333c1dc8369f8cd3656350a62e6e30429abe3717b61b3e9b9. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/CH2010610514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bb85f993862425addadf5befd222e569bfeb35b5b4869df6eaaec6f5ba77bc5. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T02:37:25Z), 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/CH2010610516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x287fdde9d554b24f60f9ed10fe1eb0a1118f686c01e1569ad2260aa3783b0b46. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/CH2010610512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd67249fcbb18067995322c2c97304e1462732fad805444e6a97d69382a6bd67. 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/CH2010610513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe42b588bb1f995fe73cc9c2e1062c1dc3261dce3cddc727484c3f8727c360f11. Chain 2 (Bitcoin): anchored in block 958087 (2026-07-15T02:56:49Z), 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/CHUM70800253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78114cbaadbd61b5842c7647857892a6e5b8a8f61c6806c2c7681c48666af762. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/CH2011216327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fe46e804e3eaf1e3898373987c473b46005b8046163adbaccf459c92e719bbf. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/CH2011216314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e7f7deb8e2e043b012143f019e6777de5abfacb9cc302e99d95911e2d1269c0. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/CH2011216325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2cfe43af0d8fd0b5faa743fcb82d3b18b6da30e5343f9eed542d4ae446b20c. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:01:25Z), 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/CH2011216315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x391c9fea85afa3e88ebb734bb5a6140568fdd0ec11b4c17aad56b01896029ca3. 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/CH2011216329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b2cb746dbddc9995a974976a6c10c6debfe90b5706e5311a5c55f16f501032d. 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/CH2011216320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12164a594be6197205f6fcdb8a212638b4234843679c355047c25157fbcf98b4. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:08:36Z), 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/CH2011216328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1773a8d2392a0cd9f4d32471ac0772738f3ba37dfc3caf90a8fc9b377b2014c0. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:45:29Z), 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/CH2011216319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d9b8df8599206e93eea5aef04f31151fe430f07c918b171699b5d294b4f90f. 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/CH2011216326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bb85f993862425addadf5befd222e569bfeb35b5b4869df6eaaec6f5ba77bc5. 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/CH2010610516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a911854accad2a71f9a585e37e19071c0f572ccc811acc3fabde04b39eb3694. 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/CH2010610510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a903df7163dce8a6988adaadd118d754de8ef388666f9920cf01a54ea2e7d90. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/CH2010610518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c777cae0e4307a570e1875e75995d49bd5ace32d31916644872904f209cd12d. 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/CH2010004711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1241cb4d78d8033944f77d181a52834a765e4aa91594d632a9e79fca12364da2. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T07:00:56Z), 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/CH2010610511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x350e7d4e36871df29c862ad6eb36d580155568fc1cdc0b893025201e40a7668d. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:38:23Z), 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/CH2010004719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0104ca1085e7c4fbe638071391c560884213f7050be247ac0a9e8737dbc04a76. 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/CH2010610509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb80707326bd0aef9023e7a7d969142f4a1431538c8ff0e9d276f46f13d83cfb. 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/CH2011216330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x404681dc5b7a7c96fce62c328fc04e86f948f5fbec624c0d9e94b5e6cd72ab1f. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/CH2011216323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9010bc3af77ead6072f40e087dafd78947d791b2e5883123953068393feba61c. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/CH2011216322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98aa7c3a40494d19ffc5868b02daab48273bd19fea060c533a9a7f58f22516b. 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/CH2010004717.
Das Feyr vo dr Sehnsucht - Radio Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a8af499026f8659a66ac090ae9b2e7b34ea097e854905939ea540b45abcdbe2. 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/CHUM70800252.