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 0x05991f582eaf1ecef524e16b0e18e57bb764f9303b92e910266968e7fda5a65b. 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/e2857507-266e-456a-966e-eb50c1ad34a9.json and https://artists.proofprofile.net/proofs/artist/e2857507-266e-456a-966e-eb50c1ad34a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xde8092160fe8631827951ddaf5567a21c3e9528b8f278dd04eca21aa0c13cca0","isrc":"GBEWA2305720","name":"if I can be honest","registered_at":"2026-06-10T01:25:22Z","spotify_id":"67jECssRLcbLlrtlCAaKGY","type":"track"}
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 0xde8092160fe8631827951ddaf5567a21c3e9528b8f278dd04eca21aa0c13cca0. 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/67jECssRLcbLlrtlCAaKGY.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/67jECssRLcbLlrtlCAaKGY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7c561fd9a64564c945c404f8263113197ce5d5af11763e83ffa89baef87b90. 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/5MtRj4Nf4r9hApo2Way93K.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/5MtRj4Nf4r9hApo2Way93K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ca868a071a8905222b39796b7cc7768cda7e8d9b315405267ef89652b83c0d. 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/3p1JAGAqMNUUkM4ABUw9Ih.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/3p1JAGAqMNUUkM4ABUw9Ih.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe42b593693d7205b6fb7a63c25886ab3dcfaa15024ebfbb8d4c060dfcd4d4f. 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/7xf7Ka6psldKmTbkdYWNqq.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/7xf7Ka6psldKmTbkdYWNqq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3889b1fdd65204b0d060835d2a418444b8b918b7374787f25704ee52647476e. 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/2hch6pI5wxnE2iPoFomn2b.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/2hch6pI5wxnE2iPoFomn2b.
{"copyright_id":"0x05cbab9ed728df13274ecf3383ed0fbbc8336bcb93c91091c824d5764674acbf","isrc":"USA5W1900223","name":"Alive & Breathing (feat. Elle Limebear)","registered_at":"2026-06-04T07:34:09Z","spotify_id":"3XtoBErYE1iSWKcMpftdnW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05cbab9ed728df13274ecf3383ed0fbbc8336bcb93c91091c824d5764674acbf. 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/3XtoBErYE1iSWKcMpftdnW.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/3XtoBErYE1iSWKcMpftdnW.
{"copyright_id":"0x6f55e1b075a0d5fb3c24c94c8566a048de2edfb109f59d2c80e5fc3fe89e22b6","isrc":"USUM72023971","name":"Heavenly - Ethan C. Davis Remix","registered_at":"2026-06-06T05:37:27Z","spotify_id":"5CpnqWOerx7I3rkThe5cyR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f55e1b075a0d5fb3c24c94c8566a048de2edfb109f59d2c80e5fc3fe89e22b6. 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/5CpnqWOerx7I3rkThe5cyR.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/5CpnqWOerx7I3rkThe5cyR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaca15a243a872b56ba57e592c347fd6bdb5e5b8eab12ecb65143d4a175e8f44. 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/5w53DU4ZVdIn5J7iHP18gT.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/5w53DU4ZVdIn5J7iHP18gT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8229f1d5a78b705e1476b1ad41318cfcef46b00d8d5fd0e8cf8adeba3711d103. 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/1cIQQQ7eJHpWEALMgauPny.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/1cIQQQ7eJHpWEALMgauPny.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbe42b593693d7205b6fb7a63c25886ab3dcfaa15024ebfbb8d4c060dfcd4d4f. 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/1zSPYn6baJA7zuYj2EZ99y.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/1zSPYn6baJA7zuYj2EZ99y.
{"copyright_id":"0x6a7c561fd9a64564c945c404f8263113197ce5d5af11763e83ffa89baef87b90","isrc":"GBEWA2305721","name":"the healing song","registered_at":"2026-06-08T23:23:41Z","spotify_id":"3Bbgpe7WgWyUA7eBeoNdMm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7c561fd9a64564c945c404f8263113197ce5d5af11763e83ffa89baef87b90. 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/3Bbgpe7WgWyUA7eBeoNdMm.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/3Bbgpe7WgWyUA7eBeoNdMm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7c561fd9a64564c945c404f8263113197ce5d5af11763e83ffa89baef87b90. 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/3GcbgbdIHYNaxJc2EBt2B2.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/3GcbgbdIHYNaxJc2EBt2B2.
Reflections presents: Earth Day 2024 (DJ Mix)
{"copyright_id":"0xc238cef204c833ff2afd11bba1064aedd34e26a928e26ad9b3ace938e959b1a4","isrc":"US25L1800487","name":"Wild Love","registered_at":"2026-06-21T11:44:29Z","spotify_id":"4mv8hqc6mXrCIwcnvqOCSj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc238cef204c833ff2afd11bba1064aedd34e26a928e26ad9b3ace938e959b1a4. 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/4mv8hqc6mXrCIwcnvqOCSj.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/4mv8hqc6mXrCIwcnvqOCSj.
Jesus Only You - Live from Bogota, Colombia