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 0x4065b61ffe7849bd194dcc134f7362ce365d6626c3a2b4c4cbe3b81a44ead2fa. 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/c65587af-f5ec-4538-846f-9f7cd597ac39.json and https://artists.proofprofile.net/proofs/artist/c65587af-f5ec-4538-846f-9f7cd597ac39.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 0xe50d77d7b8df359c6ca746bbb70124a359863bad4e7199519b2eaa74b34a7289. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2V1OSfrwsKTJRlo3dsG00L.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/2V1OSfrwsKTJRlo3dsG00L.
Rugga Tribute (feat. Jay Rozay and Sheff LA)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c27abe5f75b5e40aa0292fb881f110c9258b14776377866b52647fe256f0781. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38aCCXch8awhkYXJ03fC6O.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/38aCCXch8awhkYXJ03fC6O.
Still Outside (feat. Jazzy & Corey Finesse)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbbf050950a889780ccd5c161be7e945099935eeaa3fc4e47ca0b81c48457ac. 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/61kmf4SahuPgn4hDJi7tYt.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/61kmf4SahuPgn4hDJi7tYt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d97514442c1b0b13bb7e6092711c2d8e1be37d0664bc739756c3406da6e6ca. 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/5XyY3AAyyRcBkQhM1LzQ4q.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/5XyY3AAyyRcBkQhM1LzQ4q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbbf050950a889780ccd5c161be7e945099935eeaa3fc4e47ca0b81c48457ac. 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/5iI9YCNbygrSYuVVMQBOMT.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/5iI9YCNbygrSYuVVMQBOMT.
{"copyright_id":"0xd1d9330762d2b4ddc91dd831dc15c84dfe0d2b1ab52658c5a988e8716d0d4840","isrc":"QM4TX2306058","name":"Ramada (feat. Millyz)","registered_at":"2026-06-20T05:01:26Z","spotify_id":"0IHUj7IS6mectrYRc7COFY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1d9330762d2b4ddc91dd831dc15c84dfe0d2b1ab52658c5a988e8716d0d4840. 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/0IHUj7IS6mectrYRc7COFY.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/0IHUj7IS6mectrYRc7COFY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93e010cf2197c8d970831e9bb626402a0747254e7d224810e6503694556b90aa. 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/0WTmGAcqhDgeW11rQdqgsv.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/0WTmGAcqhDgeW11rQdqgsv.
Stressed Out (feat. Dave East, Cash Carter & Piif Jones)
{"copyright_id":"0xccf80df0b864dd9612d9b752c423564fc9b188ad35dbaddae1ca2acc58015a08","isrc":"QM4TX2306057","name":"Stressed Out (feat. Dave East, Cash Carter & Piif Jones)","registered_at":"2026-06-25T08:08:06Z","spotify_id":"4cD6j5dHKkg0R5MUMCHuT9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf80df0b864dd9612d9b752c423564fc9b188ad35dbaddae1ca2acc58015a08. 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/4cD6j5dHKkg0R5MUMCHuT9.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/4cD6j5dHKkg0R5MUMCHuT9.
{"copyright_id":"0x217a3e6f027f2bef47ecb55b295cfa4b3e83a99c61c3d0b5a4569fe886071aca","isrc":"QMBZ92183528","name":"Yeah I Know (feat. Kiing Shooter)","registered_at":"2026-06-08T01:49:10Z","spotify_id":"4EI2M78zvib475kSY93Lfc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217a3e6f027f2bef47ecb55b295cfa4b3e83a99c61c3d0b5a4569fe886071aca. 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/4EI2M78zvib475kSY93Lfc.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/4EI2M78zvib475kSY93Lfc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1b78d96af5c55fdc78a67663cedeb658cbfd096bdcad6b4122a679f7714f52. 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/5sEzbzUyj6hKKmW0N3OxjQ.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/5sEzbzUyj6hKKmW0N3OxjQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1b78d96af5c55fdc78a67663cedeb658cbfd096bdcad6b4122a679f7714f52. 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/6AT1G0ILZF5OdHoWKuSiiT.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/6AT1G0ILZF5OdHoWKuSiiT.
{"copyright_id":"0x9309a38fe3a74d55fb80dcc235ddc723ce17e939404c42ffa595668b58d73a5f","isrc":"CA5KR1825434","name":"Traumatized (feat. Kiing Shooter)","registered_at":"2026-06-23T03:24:18Z","spotify_id":"7n1EObgA41RSARBN9EJR3y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9309a38fe3a74d55fb80dcc235ddc723ce17e939404c42ffa595668b58d73a5f. 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/7n1EObgA41RSARBN9EJR3y.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/7n1EObgA41RSARBN9EJR3y.