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 0x0f4b77432ebc39318c9d71020ea0070cec4de8ede00c97cd61dd92283daab340. 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/d3cf42a1-94ee-49ae-8d4d-6c7cdecc7e10.json and https://artists.proofprofile.net/proofs/artist/d3cf42a1-94ee-49ae-8d4d-6c7cdecc7e10.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 0xe8b17eb11133afccb750732a649d7d29c4016aed033704633818aad07c7e656c. 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/QZZ772460133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b970856d3f4174482f3014bbc002f32fb121c0cd3207c7d19b1c9b1787c83ed. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/QZZ772460134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfe4433c8090dc71a7eff5545e55b30bedd9f4f2482b25144302fb1ca6b76965. 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/QZZ772460136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b20e6102f458bf4ce9ee70adf8b9537f224be78c46bff72e0888e0694bb3d78. 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/QZZ772460137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10245c017aae30f6094448949ccd2d04f873f76736f1ff21ab55779890ff0fcf. 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/QZZ772460138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0040109490482bad29f823041018fe787e07f30f9fdeb063c6fe39a76d9d81ba. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/QZZ772460140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4391f8a7bea6d40d0aff46dda0f2eb875449fbf29a83707902a9f27488825126. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZZ772460141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bdec7a8e4caa05b80bb13900bbe096a7f60ab3ef2f2eaa6d780686c96a0336a. 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/QZZ772460143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c013782b0865ddfdd807394d7c00b912d9ef7d8623f878f7efa8465408bb347. 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/QZZ772460145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc43082c261542e852a4bbc58e859260de14406dd2efc86be76fb2a32ef9fba4. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T18:34:34Z), 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/QZZ772460146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2a239aaa8d1ee206185fa07bce259f9323ad957ba29f9e4590b189b2642902. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/QZZ772460152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ad574696b05df4b7160140abb42186b704eaa30301c4c181ab0afdaff1f9d9c. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZZ772460153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x623a5b58122d5eab42ffb4f4d87af69f20379a07f1fcd36c7e64d696a914bc7a. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T20:54:28Z), 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/QZZ772460156.
Vär stönt bijenee - KeNeHeMo 2024 - 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13fea32b699ea7aa49ca6d03a642b6e1c1db8afb27376932a1508c11c25eba6e. 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/QZFYZ2561611.
Tesame krije vär Spass - Kelmis - Moresnet 2024 - 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e42a43e00fa0472cd7f61a2c7bf7b1bfd650fae535f068e4a6973fe278bc085. 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/QZFYZ2561612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25da29ded7b4154ff02251e49c97b1df1fa2634a929dbac65b17a59d5b6e01c8. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QZFYZ2561613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96f90f744aeb4cfc0bb02cd7c5ddc861173224d5be734c59fde621575521b97a. Chain 2 (Bitcoin): anchored in block 957599 (2026-07-11T19:42:17Z), 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/QZES92534936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6646b45effa59a6ecf0b01755b85f35ac79a71e5b10e398955a5ffcc3e43fe5d. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZFYZ2561615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e09d79944257ecc5a674c38a54fa416b3436ce5090dd3e191db9811cdafd718. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZFYZ2561616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb646feb6d7dd49c5d2a42449512aab05d663b5246e7447981d5f5e78b730d9. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:25:06Z), 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/QZES92534937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8337c290092ee80aafccdef0facdb1647ad6adb751a09ce0018490ce5b9a2f3e. 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/QZFYZ2561617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d3c06d15f633c9eaab5d358ee85a8da3ec9f2ff46cce88769a8fc22922547d6. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:06:01Z), 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/QZFYZ2561618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87df6d5d6e8777a2b6c6f7bc77285a85b4bdb3cd62662fd687262849699d00a9. 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/QZFYZ2561619.
Stött allemol op - Intro - KeNeHeMo 2024 - 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ad647aef4ef3ffb692c846ebca9b8bba7f30f0df8fb5d0983014241b6f36cc. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/QZFYZ2561620.
In een twei jeht hey noh de Poos af - Intro - Kelmis - Moresnet 2024 - 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0ad9571d5fc6bf669a2e2fc93b34f4cb31735bffc51fb7683e50d1a12dbe56b. 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/QZFYZ2561621.
Hürst do och die Musik - Intro - Hergenrath 2024-2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf697f8f572dd0602382939cad9052f25ef97279ded958453c7bc9cf93d64b1b4. 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/QZFYZ2561623.
En vär sprenge - Intro - WeHeLo 2024-2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44df1b4d49d62d9aadeddb701c92fc1914f2657767b47c60b800d08a397491d9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:44:26Z), 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/QZFYZ2561624.