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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c61ac338ce2346a7f9adb3855f43a1615ce6c77e6521c4d73b05ff7648cfb8e. 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/048e5ee5-f68e-4c8a-ab2d-62166cf035a9.json and https://artists.proofprofile.net/proofs/artist/048e5ee5-f68e-4c8a-ab2d-62166cf035a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kapitel 01 - Luzifers Fluch - Dark Romance Hörbuch
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72851f3db4dd78cdd08a164615490b349c7d531008762467681c8d197a930c2d. 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/DE1JT2257703.
Kapitel 50 - Luzifers Fluch - Dark Romance Hörbuch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd97c70ba15ed7b05fd0d2c62c123927301700f7250e5632fe6ba26802d42f934. 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/DE1JT2257752.
Kapitel 01 - Die Gnade des gerechten Königs - Die Poseidon Tribunale 3
Die Gnade des gerechten Königs - Die Poseidon Tribunale 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x146a3ee0b289e1eaad551f74309cf503a916b722fac04105a4713bae560385b6. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/DE1JU1702711.
Kapitel 04 - Luzifers Fluch - Dark Romance Hörbuch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa51f2f23eacac4a33d7805ac842dcbe83b348f00b90c13f16386cc34164011ef. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/DE1JT2257706.
Kapitel 01 - Von Klingen und Flügeln - Walküren Academy
Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6d31128fd25f3637f549b00426c99a5329792113528620b12a98f0b6ce3522a. 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/DEWI59878739.
Kapitel 15 - Luzifers Fluch - Dark Romance Hörbuch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cfafa9e1b7e449db4e0b721a7152c10fca7b3228ae9f7da594219afac2bea36. 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/DE1JT2257717.
Kapitel 03 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcaa495cf42cc8b90e6302711181c0af92a1dcaa21e49e9b9624e4aeb70c8141. Chain 2 (Bitcoin): anchored in block 958647 (2026-07-19T02:36:14Z), 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/DEWI59878741.
Kapitel 09 - Luzifers Fluch - Dark Romance Hörbuch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f96524d412f72cf397dc7c62102f8499637b557d7d2fc777850c36acbd50fa5. 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/DE1JT2257711.
Kapitel 11 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc47f8e16313c58258f649565d6b7b4b5b7410f902d16351e9b5421312980d05d. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T04:55:29Z), 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/DEWI59878749.
Kapitel 53 - Luzifers Fluch - Dark Romance Hörbuch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e59a74d0dd271e99707a6b02f85fabe2e09c72a316b2f586c53742ad627d34. 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/DE1JT2257755.
Kapitel 07 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x785be094fed655fc5a403ab61b712d6f9957076b9079ed632c2120456846964e. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/DEWI59878745.
Kapitel 05 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c6a72ee5c1c86fcaf4fc08c99e8a514041d89e7261f29e115f221d3070e04d. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/DEWI59878743.
Kapitel 04 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1af800de7b1369c6605bb223faf8bab78289cdc8749b1474599f9e3615cccb66. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/DEWI59878742.
Kapitel 09 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1db2ce43eb4ab2a2b6efd4e5504ff09b99751f969b3396b3d241f7f006c7c7f. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T08:14:15Z), 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/DEWI59878747.
Kapitel 06 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60a28fcb1a6a72c5a7f410fb065a005e8e0386bcab8b29df3d96cc644d7af445. 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/DEWI59878744.
Kapitel 18 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e3a1a64aa808dd27cd5e71188bb5c2ac7a17b61fd07fc72e25cb4591ff10dea. 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/DEWI59878756.
Kapitel 05 - Luzifers Fluch - Dark Romance Hörbuch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf697ecd51ecc70a019cd90de9bdbcca599c504eafb54059102f36195f8caf13. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/DE1JT2257707.
Kapitel 16 - Luzifers Fluch - Dark Romance Hörbuch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23698eb2585487aed5a8f57e6806f00a1637d51a551b928a9093a3f0be958e15. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/DE1JT2257718.
Kapitel 28 - Luzifers Fluch - Dark Romance Hörbuch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb1eb4a459fcf580aecd921c8c8f52a9af55d66bad823a932dcef65350007111. 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/DE1JT2257730.
Kapitel 15 - Von Klingen und Flügeln - Walküren Academy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab60c29ca1d64d8a870c4db3f6e424cd98a164578e974c60226dfb0f7e8b739f. 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/DEWI59878753.