1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xfe261c7ffa0473aaa67d32e50681a64b30ce4d9e3d1ca3fdfd2de5ee8373bf1b. 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/a7491c0e-c4f9-42ce-a3a2-cb70e16c6388.json and https://artists.proofprofile.net/proofs/artist/a7491c0e-c4f9-42ce-a3a2-cb70e16c6388.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7893994cd8589fc7a1075decb3dd5e42f5b118b21d548fb6f25594c8a2ca8b47. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/36p0UY2zPyBWIJu0A2t8Na.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/36p0UY2zPyBWIJu0A2t8Na.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f63b6b01e9a8a937d2e6e1f1970411395e290f80d7a37c61cf3f3fd2f36197a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5X2F01JU2hAQwRtOnEbsN9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5X2F01JU2hAQwRtOnEbsN9.
Out the Blue (TOBER & Alfie Wilson Remix)
Out the Blue - TOBER & Alfie Wilson Remix
{"copyright_id":"0x9097b6c3275248cfbd5aa07302e5eb5f0def3cdeb05e4c1cca8e335c1148f6f1","isrc":"QZHNC2435926","name":"Out the Blue - TOBER & Alfie Wilson Remix","registered_at":"2026-06-25T06:52:34Z","spotify_id":"6Lx6iXrPM98A1d1FOEca4x","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9097b6c3275248cfbd5aa07302e5eb5f0def3cdeb05e4c1cca8e335c1148f6f1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Lx6iXrPM98A1d1FOEca4x.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Lx6iXrPM98A1d1FOEca4x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f9a2d74e85b85a180b16d4d6fa0ede74d5aaaebfed7bc4a77e99be3ff628617. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76Dp0f7J3FtGjNv23fm8zz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76Dp0f7J3FtGjNv23fm8zz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41d735e12f934aa15a052d19e9c6069ae40989a4254b173b5a7d336eddc7e86c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5fRYPXa1pJlv1woZAh04Jq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5fRYPXa1pJlv1woZAh04Jq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c66c76a018077ceb513137ea26ab086aa1fb44331fd9ec306c2799e0b7172b8. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:48:23Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0FeOSeH212Nyq7foMYZhMR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FeOSeH212Nyq7foMYZhMR.
{"copyright_id":"0xab3edbec987ca0e8f580750dda266ab51976a1a821a4075abdf9ca1b08b50b46","isrc":"GBLLT2442085","name":"On My Mind","registered_at":"2026-06-04T12:51:45Z","spotify_id":"2lt2v6dkTlbtY0hxXoHeAR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab3edbec987ca0e8f580750dda266ab51976a1a821a4075abdf9ca1b08b50b46. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2lt2v6dkTlbtY0hxXoHeAR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lt2v6dkTlbtY0hxXoHeAR.
{"copyright_id":"0xab3edbec987ca0e8f580750dda266ab51976a1a821a4075abdf9ca1b08b50b46","isrc":"GBLLT2442085","name":"On My Mind","registered_at":"2026-06-04T12:51:45Z","spotify_id":"0NnY8rAt4ANSSBsyVCKr3r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab3edbec987ca0e8f580750dda266ab51976a1a821a4075abdf9ca1b08b50b46. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0NnY8rAt4ANSSBsyVCKr3r.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0NnY8rAt4ANSSBsyVCKr3r.