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 0x61a5ee5d8318506facb7123f9f8b76a91cfca741171afa24f6d9a8c86f0a8003. 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/0a0cfb9b-de5e-45fb-b4f3-819c9821cd41.json and https://artists.proofprofile.net/proofs/artist/0a0cfb9b-de5e-45fb-b4f3-819c9821cd41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Passenger - Lazerdisk & Dream Beach Remix
Passenger (Lazerdisk & Dream Beach Remix)
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 0x4438a3b2513df075c629a8b71a0093775ca653f80093d112f2779154b795b2cb. 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/12bHguaXXHBYwYaBegJh4S.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/12bHguaXXHBYwYaBegJh4S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb28fc358d2fef53009195653e08b5e6e08175c52cfda610afb799c6e0716969. 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/73Y127nxOVRDwWhW2wT3qY.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/73Y127nxOVRDwWhW2wT3qY.
Better (feat. Nicole Millar & Imad Royal)
{"copyright_id":"0xd3a2dad683bf8d6b7a5decdc3978f8417b552045aa04d95f40086c87d21289c0","isrc":"USAT21602116","name":"Better (feat. Nicole Millar & Imad Royal)","registered_at":"2026-06-18T15:04:59Z","spotify_id":"4bGZa3AguyGRcAa2DMYhl1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3a2dad683bf8d6b7a5decdc3978f8417b552045aa04d95f40086c87d21289c0. 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/4bGZa3AguyGRcAa2DMYhl1.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/4bGZa3AguyGRcAa2DMYhl1.
{"copyright_id":"0xd3a2dad683bf8d6b7a5decdc3978f8417b552045aa04d95f40086c87d21289c0","isrc":"USAT21602116","name":"Better (feat. Nicole Millar & Imad Royal)","registered_at":"2026-06-18T15:04:59Z","spotify_id":"0F6nm7AhG2LN9LMofWwMbo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3a2dad683bf8d6b7a5decdc3978f8417b552045aa04d95f40086c87d21289c0. 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/0F6nm7AhG2LN9LMofWwMbo.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/0F6nm7AhG2LN9LMofWwMbo.
{"copyright_id":"0x85e6666836db623d94a904a55c49a6bc4cdd04868914e99aed52e1df8774b8e3","isrc":"USAT21602547","name":"My Trigger - Imad Royal Remix","registered_at":"2026-06-18T03:50:06Z","spotify_id":"0ordjyTo0JEYOyHwhf4koX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e6666836db623d94a904a55c49a6bc4cdd04868914e99aed52e1df8774b8e3. 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/0ordjyTo0JEYOyHwhf4koX.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/0ordjyTo0JEYOyHwhf4koX.
{"copyright_id":"0x85e6666836db623d94a904a55c49a6bc4cdd04868914e99aed52e1df8774b8e3","isrc":"USAT21602547","name":"My Trigger - Imad Royal Remix","registered_at":"2026-06-18T03:50:06Z","spotify_id":"0kaBpjESm2qAmwnxeB9y06","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e6666836db623d94a904a55c49a6bc4cdd04868914e99aed52e1df8774b8e3. 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/0kaBpjESm2qAmwnxeB9y06.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/0kaBpjESm2qAmwnxeB9y06.