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 0x88d3aa32d418e28b5348995e78d938fdaaceca93c50070702a22bb297632ee34. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5fe0b644-445f-4e0f-b74f-761d6e39d408.json and https://artists.proofprofile.net/proofs/artist/5fe0b644-445f-4e0f-b74f-761d6e39d408.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 0x44a215d4a2f44317f783a8f007641e1e1bfc8be145b90fc6453fba3c66a20ede. 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/20Sz4K49627YEKlBHrJQc8.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/20Sz4K49627YEKlBHrJQc8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6e347390a8b8d1a473c03d106d57cb481d4595ea5e250640a5ec358716cfe5. 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/0pePfBpMXfF3XKQFUQoW8J.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/0pePfBpMXfF3XKQFUQoW8J.
{"copyright_id":"0xd5c9e00e9c00d12fd0e26bc2e17cbbe97720729894b5723c424a5e4cde5c93dd","isrc":"QZK6F2220075","name":"Old-School Soul","registered_at":"2026-06-07T09:51:57Z","spotify_id":"2H0TaQcYvR7rksYcX06hrb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c9e00e9c00d12fd0e26bc2e17cbbe97720729894b5723c424a5e4cde5c93dd. 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/2H0TaQcYvR7rksYcX06hrb.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/2H0TaQcYvR7rksYcX06hrb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a4f92a9c87f9acef9c58b116457fc35034220dcc5136cc2f7fe582627b818e. 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/7aKHKBQIbDG3P6b1hvvHNE.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/7aKHKBQIbDG3P6b1hvvHNE.
Drowning (feat. LU) - HYPAUX & Spijk Remix
{"copyright_id":"0x7d8c5e0cafe43d55be251c682dda613ade974bc9457c505b5e9546ba3983b904","isrc":"NLX3Y2300012","name":"Drowning (feat. LU) - HYPAUX & Spijk Remix","registered_at":"2026-06-06T06:48:12Z","spotify_id":"5UU9REeORMW9vKvJW2GJg4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d8c5e0cafe43d55be251c682dda613ade974bc9457c505b5e9546ba3983b904. 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/5UU9REeORMW9vKvJW2GJg4.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/5UU9REeORMW9vKvJW2GJg4.
Driving Home for Christmas (feat. Olly Davies) - Bastyan x Kayote Edit
Driving Home For Christmas (feat. Olly Davies) - TCM Hardstyle Remix
{"copyright_id":"0x6adcb47fad6bf772b1529e8e03fea5afc8d0f9d6520a3f371bc7c30c62eee2e3","isrc":"US38Y2310095","name":"Driving Home For Christmas (feat. Olly Davies) - TCM Hardstyle Remix","registered_at":"2026-06-20T05:23:26Z","spotify_id":"0YO3tHJeKwdlxWIeuq1gSS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6adcb47fad6bf772b1529e8e03fea5afc8d0f9d6520a3f371bc7c30c62eee2e3. 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/0YO3tHJeKwdlxWIeuq1gSS.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/0YO3tHJeKwdlxWIeuq1gSS.
{"copyright_id":"0x92b9b27fe52e4fff785fe035377b7ecd0859cefb0aa22950b2508ffe5900a089","isrc":"QZTAX2260894","name":"Driving Home for Christmas","registered_at":"2026-06-20T10:34:00Z","spotify_id":"4T563BuEdKEg1cWBJCE1K1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92b9b27fe52e4fff785fe035377b7ecd0859cefb0aa22950b2508ffe5900a089. 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/4T563BuEdKEg1cWBJCE1K1.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/4T563BuEdKEg1cWBJCE1K1.
{"copyright_id":"0xee9db58a128ea9a008fb973b1610c2ed59eae8c5ba8c17cc4c3735c9afc634e6","isrc":"QZTAX2260896","name":"Driving Home for Christmas (feat. Olly Davies) - Bastyan x Kayote Edit","registered_at":"2026-06-09T09:58:38Z","spotify_id":"4JwePVf6rXfuAxHDeZUnO9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee9db58a128ea9a008fb973b1610c2ed59eae8c5ba8c17cc4c3735c9afc634e6. 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/4JwePVf6rXfuAxHDeZUnO9.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/4JwePVf6rXfuAxHDeZUnO9.
{"copyright_id":"0x6adcb47fad6bf772b1529e8e03fea5afc8d0f9d6520a3f371bc7c30c62eee2e3","isrc":"US38Y2310095","name":"Driving Home For Christmas (feat. Olly Davies) - TCM Hardstyle Remix","registered_at":"2026-06-20T05:23:26Z","spotify_id":"4w7BCIefYWvjIB1GDbO0o5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6adcb47fad6bf772b1529e8e03fea5afc8d0f9d6520a3f371bc7c30c62eee2e3. 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/4w7BCIefYWvjIB1GDbO0o5.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/4w7BCIefYWvjIB1GDbO0o5.
Project Xmas (Christmas Dance Party) [Deluxe]