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 0xb7483aafbcca8e68a702f023a0f9217868a11d2e13e4afda965e0e9cc25e9faf. 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/bae00fff-cde2-4405-ad61-f6e4d25995f5.json and https://artists.proofprofile.net/proofs/artist/bae00fff-cde2-4405-ad61-f6e4d25995f5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Son of a Dungeon: Season 1 (Original Series Soundtrack)
Son of a Dungeon: Season 2 (Original Series Soundtrack)
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 0x40c0226da92658a2edcecf436dafa593a41f661fb4a09a204d9f458081ecf25f. 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/3co96hCot6G8f7bEW17M9G.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/3co96hCot6G8f7bEW17M9G.
{"copyright_id":"0xbcf299596816141e70665caf7bdc6d30b30fffe025be0ff136c19f00cae63fdb","isrc":"JPE101901010","name":"Devil Trigger - Opening Remix","registered_at":"2026-06-04T12:36:05Z","spotify_id":"0eWFlYBxN2MsLpLjvJfjh5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcf299596816141e70665caf7bdc6d30b30fffe025be0ff136c19f00cae63fdb. 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/0eWFlYBxN2MsLpLjvJfjh5.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/0eWFlYBxN2MsLpLjvJfjh5.
{"copyright_id":"0xc69aac39d47df038e25e088be148f34ed9b4c2a634e402e40c5eb895669d9f95","isrc":"JPE101901040","name":"Devil Trigger - Devil Shocker Remix","registered_at":"2026-06-07T14:19:00Z","spotify_id":"4sMZtJkc1IxPVQrYjXtbID","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69aac39d47df038e25e088be148f34ed9b4c2a634e402e40c5eb895669d9f95. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4sMZtJkc1IxPVQrYjXtbID.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/4sMZtJkc1IxPVQrYjXtbID.
{"copyright_id":"0x38791b4666501abecd5b46faebf4f31607d13210f438df4bd5a8e8b0b4d512ef","isrc":"JPE101901050","name":"Devil Trigger - Instrumental Edit","registered_at":"2026-06-08T12:55:50Z","spotify_id":"1ngm64D6ye81CS5dV5m3rC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38791b4666501abecd5b46faebf4f31607d13210f438df4bd5a8e8b0b4d512ef. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ngm64D6ye81CS5dV5m3rC.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/1ngm64D6ye81CS5dV5m3rC.
Mortal Kombat 1 (Original Video Game Soundtrack)
{"copyright_id":"0x1e80a91d4a99f3b1a0fbb6d2150d2521c584723473afd98ee5cf5f7fde9e8430","isrc":"USNLR2301421","name":"Cage Mansion - Stage","registered_at":"2026-06-08T12:05:42Z","spotify_id":"4geYTHQpQjaOp3RWwf7V9r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e80a91d4a99f3b1a0fbb6d2150d2521c584723473afd98ee5cf5f7fde9e8430. 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/4geYTHQpQjaOp3RWwf7V9r.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/4geYTHQpQjaOp3RWwf7V9r.
Devil May Cry 5 Special Edition Vergil's Rebirth Sound Selection
{"copyright_id":"0xa0ff817e4885990df0086ddb405a10333189fad9ffcb553818841c7ec3c9ebb1","isrc":"JPE102003510","name":"Devil May Cry 5 SE Titlescreen","registered_at":"2026-06-10T04:59:44Z","spotify_id":"6qZCkatSWBdOcFOCN8SWrP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0ff817e4885990df0086ddb405a10333189fad9ffcb553818841c7ec3c9ebb1. 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/6qZCkatSWBdOcFOCN8SWrP.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/6qZCkatSWBdOcFOCN8SWrP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdd75ddf772c43d75e2af179411edd944610ddd18b1d0b5adda03a5f2c874207. 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/6Y4mO7eVPJ7AxkKfWvHjbU.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/6Y4mO7eVPJ7AxkKfWvHjbU.
Wake your fury and wait in hell (Vergil Mission Start)
{"copyright_id":"0x3af67f035365e880195683441aa0e87a3f9d0fe4ae9d1d0d28ccddada8c9576c","isrc":"JPE102003520","name":"Wake your fury and wait in hell (Vergil Mission Start)","registered_at":"2026-06-10T04:56:25Z","spotify_id":"2KFL4qj6oM5utS8UDXpPo3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3af67f035365e880195683441aa0e87a3f9d0fe4ae9d1d0d28ccddada8c9576c. 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/2KFL4qj6oM5utS8UDXpPo3.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/2KFL4qj6oM5utS8UDXpPo3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba3dc0effbaa7678557567b7679b42a9e4802670aab8142892e9a3770be52b1d. 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/5602W59fReYWyA80rcGIlg.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/5602W59fReYWyA80rcGIlg.
{"copyright_id":"0x0cf8427ea8c5b7bafd7cacabdd2ed173a6a419f8e6f9a7814400c6ab2d963b35","isrc":"JPE102003410","name":"Bury the Light","registered_at":"2026-06-01T09:24:15Z","spotify_id":"0VK74Td71RRkmipi12eY3b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf8427ea8c5b7bafd7cacabdd2ed173a6a419f8e6f9a7814400c6ab2d963b35. 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/0VK74Td71RRkmipi12eY3b.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/0VK74Td71RRkmipi12eY3b.
エグゾプライマル オリジナルサウンドトラック