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 0xec4288bc9f4c50644b0052931b56ce2399ef3c489d25524254bbd3aa490c2adb. 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/3fff0489-8134-4665-8c3f-0e3d3450da7a.json and https://artists.proofprofile.net/proofs/artist/3fff0489-8134-4665-8c3f-0e3d3450da7a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cold Nights (feat. Stan Walker & Larissa Lambert) [Sly Chaos Remix]
Cold Nights (feat. Stan Walker & Larissa Lambert) - Sly Chaos Remix
Cold Nights (feat. Stan Walker & Larissa Lambert)
{"copyright_id":"0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7","isrc":"NZRI12201111","name":"Cold Nights (feat. Stan Walker & Larissa Lambert)","registered_at":"2026-06-06T16:48:20Z","spotify_id":"6boqKEvzxGQC7YVHPAE2ZO","type":"track"}
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 0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6boqKEvzxGQC7YVHPAE2ZO.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/6boqKEvzxGQC7YVHPAE2ZO.
This Is What It Feels Like (feat. Bri Clark)
World Don't Feel The Same (feat. Gramsci)
We'll Never Have Tomorrow (feat. Lepani)
{"copyright_id":"0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7","isrc":"NZRI12201111","name":"Cold Nights (feat. Stan Walker & Larissa Lambert)","registered_at":"2026-06-06T16:48:20Z","spotify_id":"6llM48MLZmVMsWdocSAH68","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7. 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/6llM48MLZmVMsWdocSAH68.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/6llM48MLZmVMsWdocSAH68.
The Colour Of The Night (feat. Julia Catherine Parr)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf666e83efc3deafbbb2d9b054d045b9adba306cdb00c17652e67cc975912236. 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/2l4NyG8HH9EsFegC0gFlvc.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/2l4NyG8HH9EsFegC0gFlvc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2268c5fa3f4f99dc47138ce565385cdd26be0ecbb7333b9b13471577ccc06833. 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/71any3FR2G8exxDHLUYODR.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/71any3FR2G8exxDHLUYODR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x297615a87ab31cc28f81682c869b35ff20fe85cf00342bddd667ae5653bc2860. 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/46q4FPbYRVxGjg5101eNLA.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/46q4FPbYRVxGjg5101eNLA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5f67c6e0e3664114d07b09697096e71ae46a3626df61ad5e75718a04f3461a9. 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/5bKofj3uo14dXX7XCggEBR.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/5bKofj3uo14dXX7XCggEBR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254e4eb04d657f0daebf924d494005104ffa71580acf334ee2160aa3a6720470. 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/2axk1244YhOIkul6n9T7wy.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/2axk1244YhOIkul6n9T7wy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c625d522dca420ee70d5eda2470157b98882e093b1699455982fcc0309c96cf. 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/5vCn29XMBg9Xdr7orFE8tx.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/5vCn29XMBg9Xdr7orFE8tx.
{"copyright_id":"0x5ccb0628eddcf2057b349fb33c20d9f288e2bf2a6fe33b07dd35edfac5d7afef","isrc":"NZRH10800163","name":"In A Quiet Storm","registered_at":"2026-06-10T19:49:06Z","spotify_id":"2r6naAPtgEAEB2zUZFLMUt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ccb0628eddcf2057b349fb33c20d9f288e2bf2a6fe33b07dd35edfac5d7afef. 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/2r6naAPtgEAEB2zUZFLMUt.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/2r6naAPtgEAEB2zUZFLMUt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97446e7fcaf99c177c784d23137bfeb800a24c413272c102862b822b6526147c. 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/56Jl2flCiPBb1sAa79iydV.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/56Jl2flCiPBb1sAa79iydV.
{"copyright_id":"0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7","isrc":"NZRI12201111","name":"Cold Nights (feat. Stan Walker & Larissa Lambert)","registered_at":"2026-06-06T16:48:20Z","spotify_id":"5KyDKBcR0BEeLylGRDTCwF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e3d8e26a3087139b38ac62dc6a5c215778838848553d75a1abdb18c5bc56c7. 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/5KyDKBcR0BEeLylGRDTCwF.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/5KyDKBcR0BEeLylGRDTCwF.
We'll Never Have Tomorrow (feat. Lepani) [Remix]
We'll Never Have Tomorrow (feat. Lepani) - Remix
Grains (feat. Siobhan Sainte and Mazbou Q)
In Bloom (feat. Georgia Lines) - Heights Pacific Remix
405 (feat. CHAII and Kings) - Yuni Wa Remix
The Weight Of It (feat. Steve Spacek) - Jono Das Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6d7097425afd49ae9c6251870dcc351f05ca0bad0d3b419d7325b5418f8474a. 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/6xlcYK0X0gsRJCJUhEhKcm.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/6xlcYK0X0gsRJCJUhEhKcm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3acaffb923453c231e9ab4541d3d3edb51155f62890343e687b2b8ce0edda79c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4dsss4MtPPFLtMocj1zBDg.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/4dsss4MtPPFLtMocj1zBDg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d02ba9988972627709fab6b692e201b45f28a55c44bdacea04a0d746e8efea6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5czfA6oKEq4WOylMOyXBKS.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/5czfA6oKEq4WOylMOyXBKS.
{"copyright_id":"0x5e6f66cb8c71b87bf2711be9ff9a02af682a0dc49978a9d37b696582dc36df3e","isrc":"USWB11303186","name":"Marry Me","registered_at":"2026-06-01T15:56:29Z","spotify_id":"08wNLcAsVcVOMiXOywiBzl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e6f66cb8c71b87bf2711be9ff9a02af682a0dc49978a9d37b696582dc36df3e. 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/08wNLcAsVcVOMiXOywiBzl.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/08wNLcAsVcVOMiXOywiBzl.
{"copyright_id":"0x38b3401d205ca6ac86f87f7c7c279e09afdfd1109e5a7e3dc3563884fc2fb22d","isrc":"USWB11701213","name":"Kiss Somebody","registered_at":"2026-06-04T06:04:45Z","spotify_id":"1ZcGi4Z4eYlEJlBgdCnR3J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38b3401d205ca6ac86f87f7c7c279e09afdfd1109e5a7e3dc3563884fc2fb22d. 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/1ZcGi4Z4eYlEJlBgdCnR3J.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/1ZcGi4Z4eYlEJlBgdCnR3J.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374de29244748604ffee45d22337ee92497b15e4200eb49036bd71bb45fa9b22. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6U71DeHD8isU9EDRaWsHQS.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/6U71DeHD8isU9EDRaWsHQS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3caa74ad65872ad75241bb675506a72b455c52298cff566508b98e43686461fe. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4evK4tgscxBxGcNO1PJ3kw.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/4evK4tgscxBxGcNO1PJ3kw.
True Colours, New Colours - The Songs Of Split Enz
{"copyright_id":"0x6c689b20af829b323c7c93cfde5e5933be41a366b47f1d582fc13eeb31191f4a","isrc":"AUWA02000684","name":"What's The Matter With You","registered_at":"2026-06-20T02:01:36Z","spotify_id":"04OHT9nS7I5zyjsi022RaL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c689b20af829b323c7c93cfde5e5933be41a366b47f1d582fc13eeb31191f4a. 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/04OHT9nS7I5zyjsi022RaL.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/04OHT9nS7I5zyjsi022RaL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a55a5fc6f5706223c9e629ecc352147041251d63bce947f109505e8431b0af7. 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/3WD4dpicHOa1eJeOjQWuKs.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/3WD4dpicHOa1eJeOjQWuKs.
Evergreen (You Didn’t Deserve Me at All)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4db24d1c0f73e913971a7186e828856f33121f446c8da1773c22f288fb13c85. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4EuJH0RY8EM9MladKim8Sc.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/4EuJH0RY8EM9MladKim8Sc.
Meant to Be (feat. Florida Georgia Line)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cc92645279e901cd44d60f82416a74f29b111958a0160f8b118fb9a3c426bba. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xTn8LPV8MgjBV04PHwfEv.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/7xTn8LPV8MgjBV04PHwfEv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ef45c143146a6b6112f9bc18ab1c2a8530f58d4c903767af88f0ae989aaff6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ReQqlQCBRZ4GSqEl065BP.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/2ReQqlQCBRZ4GSqEl065BP.
i hate u, i love u (feat. Olivia O'Brien)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc141eda02340e583121b0570fe7ffc639348ffb68f1e8c2e2e332d85ea4daf61. 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/3Gg5RZ6u1vOy7bUA5uwLWJ.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/3Gg5RZ6u1vOy7bUA5uwLWJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980c2479b16867aa3e91ac5f593755088b6c0aef13b53046c80832ce0f126fa8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16SLLk35tEgHvVGd71SwZl.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/16SLLk35tEgHvVGd71SwZl.