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 0xa48f96ecc9c54e0e63cd39f909aa82b1353f7aa9f8e5bedd4aecdaebea035dc6. 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/2b045690-d14a-4152-9864-021f9343b1e7.json and https://artists.proofprofile.net/proofs/artist/2b045690-d14a-4152-9864-021f9343b1e7.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 0x51d304b71433dfd5ae56c09f205f3aa60d02f2dc995943db2239db53a89885d6. 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/4C6G6u0WlK2lizZxFVjKBt.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/4C6G6u0WlK2lizZxFVjKBt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad015c015c6c54a87b09c0d977a880ea31359f24722c02656a0e4afe18f86b4. 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/60Y8dTgfWPtfQanQcPqJRw.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/60Y8dTgfWPtfQanQcPqJRw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a39782ad193b85f54436f87b8ba45858dafd0723638318dc017c8045c8deb7. 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/6U6oCILaFXJpagdKTnq4pb.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/6U6oCILaFXJpagdKTnq4pb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc1bf01e58a112318c01266ed52a306ca6a20050c2a41bb43a9026815466a7a1. 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/5OnodnR55louEMi4sF0k2C.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/5OnodnR55louEMi4sF0k2C.
{"copyright_id":"0x100e4192e722afb9a68a8a4a02ebe693e0c66cef8ce32a7aa2427236a59ce68c","isrc":"USAT21601524","name":"I Do Coke - Ephwurd Remix","registered_at":"2026-06-10T02:02:11Z","spotify_id":"4LsPaLYowjlZ70iyt26AGP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x100e4192e722afb9a68a8a4a02ebe693e0c66cef8ce32a7aa2427236a59ce68c. 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/4LsPaLYowjlZ70iyt26AGP.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/4LsPaLYowjlZ70iyt26AGP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4b77b1d01d19e41a6a96608a357c277353deba3183d9e8b2905c17d9573b8c4. 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/6rZtn32NJ7YJ6tKegShmLm.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/6rZtn32NJ7YJ6tKegShmLm.
Bass House Anthems: Best of 2019 (Presented by Spinnin' Records)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc1bf01e58a112318c01266ed52a306ca6a20050c2a41bb43a9026815466a7a1. 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/5ogCBVn96JhARfNUvWjCl3.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/5ogCBVn96JhARfNUvWjCl3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4b77b1d01d19e41a6a96608a357c277353deba3183d9e8b2905c17d9573b8c4. 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/1Qrs5Y8QJTUGSfbFugZMyk.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/1Qrs5Y8QJTUGSfbFugZMyk.
{"copyright_id":"0x185a9ec38fc29df8ba28bcab05b2a32611e884038680afde1a257868601b6eba","isrc":"USQY51756526","name":"Good Times Roll - Ephwurd Remix","registered_at":"2026-06-20T21:26:16Z","spotify_id":"4mp21vGH9bLX0dp8ML5hW0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x185a9ec38fc29df8ba28bcab05b2a32611e884038680afde1a257868601b6eba. 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/4mp21vGH9bLX0dp8ML5hW0.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/4mp21vGH9bLX0dp8ML5hW0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fbbf0499686ba9ecacbf3a1379dafed5f62d7a94ec57b274796ee7652829ba7. 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/1EofGkwC0xRIDkCZjumEtM.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/1EofGkwC0xRIDkCZjumEtM.
{"copyright_id":"0x5b66533d6be77cd07bfac1962edfcec043946a9af0cf469ee21eb8652e9be2e8","isrc":"QM24S2007904","name":"Dance With Me (Ephwurd Remix)","registered_at":"2026-06-21T00:47:02Z","spotify_id":"14JhSlcNGDXpySnv9ZXSHe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b66533d6be77cd07bfac1962edfcec043946a9af0cf469ee21eb8652e9be2e8. 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/14JhSlcNGDXpySnv9ZXSHe.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/14JhSlcNGDXpySnv9ZXSHe.
Tomorrowland - The Secret Kingdom Of Melodia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x165011486ab79017810f8141d4b13f7ed55287548aa6c4c0f3c9251b1a743c4f. 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/2X1pbkqCu0rJUmPB9mE6SM.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/2X1pbkqCu0rJUmPB9mE6SM.