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 0x7941e09f935d098e63657b768b4194fa269b52c883bef618ce964adcbb22bd3e. 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/ff3d48f8-1ec8-4220-aa0b-a8eb0277abdf.json and https://artists.proofprofile.net/proofs/artist/ff3d48f8-1ec8-4220-aa0b-a8eb0277abdf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kleines Wunder - Größtes Glück (Die schönsten Tauflieder)
Kleines Wunder - Größtes Glück : Die schönsten Tauflieder
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 0xe8a731771ed51900b1d39a9fb5999c687ca02c827e497280a221c86dc844fab6. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/QZTAT2270526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8be1bcc7e0eba69d144367229c9eaba74ebb322975c8f9792c4a58c835c3d7. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T18:17:57Z), 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/QZTAT2270530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573fe46ea5cd11c9d26c21e196bab0712f6a11e4ab6ae9d38078a4cf82da83c4. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/QZTAT2270532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26580ba7a132fd319314e554a6a156f0bc6d30bfcd50513b164e637684313ae7. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-17T04:06:14Z), 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/QZTAT2270533.
Da berühren sich Himmel und Erde - Die schönsten Kirchenlieder
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6ed03b88c405f076c915355addec499c427b9371443b145b0e2515ee7c2f62. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T05:03:25Z), 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/QZTAW2248056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa4bed80667b6b0305cc9c91342eb92487a3d545d8e042a071eca4f9e212e4cc. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZTAW2248057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc670051796b696e6befdb4d38e3cc2e16c37cd4c26e7b75378a5c5452df5a279. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/QZTAW2248058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320194d2218946fa1c349edd982aac2e14bef3be8a80349117467c3f314ac6d8. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/QZTAW2248059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x298ddb89026649854b52587de1ae6e2d81cfbca561558e446fd24e261931d8f1. 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/QZTAW2248060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0f24723d54a00d56e3a30a5394b42aedd5c5fb3a0cbdfbcda0bd8ef1e355aec. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:09:56Z), 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/QZTAW2248062.
Da berühren sich Himmel und Erde die schönsten Kirchenlieder
Die Letzte Rose - Gefühlvolle Lieder zum Trauern
Die letzte Rose: Gefühlvolle Lieder zum Trauern
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e6b9d2fc85db7c8b90f34fb5d95aa58eb6c348a4b6fb1f30ac60db03c7ac46. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/QZTAW2220552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaea6fd2e51199cd73498f78245142a5a0e57f616459180af4f4ac6cfbb738834. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QZTAW2220555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48c45d5b87fbde3e4e31bf3a0afac04324457fc135e620162fde90a423e18953. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/QZTAW2220557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151785269b87a16900c11969eeb7fe6fdff9c7cfc9e24420dd7634f1f86663e9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZTAW2220558.
Keiner ist wie Du (Moderne Glaubens und Segenslieder)
Du Hast Erbarmen - Wer Ist Ein Gott Wie Du
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22febcc5bb1fdbc60db6fa4cc7d9264d939e2ba2bec45fe9c63efa1f90d256fd. Chain 2 (Bitcoin): anchored in block 959138 (2026-07-22T16:55:37Z), 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/QZTAW2248125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e11e1841f486857a04148b6fb16141eba73959ca37dd10235b66d9ab260435f. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/QZTAW2248127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xada2c1b0b3bc4e0c0a17a7e6f4c95a7ee5d584cb5c43a61c07fbefbf05bee2c5. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZTAW2248133.
Unser Vater - Modernes Musikalisches Vater Unser
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f80c10913fdcf8c8e813e764b5d8de62ee42751dee8b272aa735f41e37c7d09. 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/QZTAW2248134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793812eb9555fe0f09564d14ebc8fa104ec3518949c4a6f2ed42c248a227fd2f. 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/QZTAW2248138.
Keiner ist wie du: Moderne Glaubens- und Segenslieder
O du fröhliche - Die schönsten Weihnachtslieder
O du Fröhliche (Die schönsten Weihnachtslieder)
Du fehlst hier - Die schönsten Trauerlieder, Vol. 2
Du fehlst hier (Die schönsten Trauerlieder Vol. 2)
Du fehlst hier (Die schönsten Trauerlieder, Vol. 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x646565dd4891c44b626d217af654bb6b41a57c23d852e8f99744e09533e3bb14. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/QZTAW2248253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x416837621e51a1123179286debc85358e180f5b10ce16c4dbcc7050667e527d2. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T10:00:26Z), 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/QZTAW2248255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcec5fb305f9addf7eca75dcbb9c835fa9ca1db5057390f51a5c67d7b43eb1840. 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/QZTAW2248257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06e0c4f4c9c54343c042eef5b4af22453c9de10e35143dd9b2da536ee0363e41. 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/QZTAW2248260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098da3b97df31d707966fb499b467ff0099f474cf0fa926681ed9d0abc68d1f5. 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/QZTAW2248266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde02e084e27730a81bd758d80d68e6e6f000ea070086492256feb79d15710a80. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:06:55Z), 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/QZTAW2248269.
Gloria - Ehre sei Gott (Die schönsten Kirchenlieder Vol. 2)
Gloria - Ehre sei Gott (Die schönsten Kirchenlieder, Vol. 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa8d34092c40c85b90637c4e3506b106981ae8da2bbeeea58031729943db9623. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:16:28Z), 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/QZTAX2261386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe96bcd0e1dfe71cfe67cc4cc02eca5d0a8a88bdf5a2126f6fac2b07451280f0a. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:43:32Z), 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/QZTAX2261390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7b74e8a93dd531b3153251e326a859058b913b4075597a9f82ddfbb0df9727f. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:48:47Z), 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/QZTAX2261391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd209e058540d032e85ef931fc36404bdcb9e9585ec130a2e68cccde6ada4c088. 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/QZTAX2261398.