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 0x9220473c0584bbc7ca049e22698508ff1b322573ba0fff936aea4ee4c8a8cd0e. 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/e494eb6d-7095-4cae-ad53-6a37fdfeb91c.json and https://artists.proofprofile.net/proofs/artist/e494eb6d-7095-4cae-ad53-6a37fdfeb91c.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 0xd26ce7020b0bae0f5b189d1615c1ce34238bc5df5c50ef2bdc45bb286db7be2c. 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/4l2EUoNS0EN90NG7hPFUn3.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/4l2EUoNS0EN90NG7hPFUn3.
{"copyright_id":"0x541f86288d6037e8ae87545e4a2993b0e5d48d4ec1222b41a8cf8bf373e355c8","isrc":"US83Z2329487","name":"Enchanted Eve - KlangDruide Remix","registered_at":"2026-06-23T09:17:21Z","spotify_id":"5DdYciRRSy4jlntJekiEru","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x541f86288d6037e8ae87545e4a2993b0e5d48d4ec1222b41a8cf8bf373e355c8. 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/5DdYciRRSy4jlntJekiEru.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/5DdYciRRSy4jlntJekiEru.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42f00830cf20b07e21759aaa7db3216034f1144d6fc091315d87d742dbaa7865. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7zVdhRAxAI4vlHeIM3Pi0H.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/7zVdhRAxAI4vlHeIM3Pi0H.
{"copyright_id":"0x6d7620340c45bb259ad5279b21317ee15cdd0a81c061efcaa26cedbbbb68c893","isrc":"US83Z2225648","name":"Okoa - Xique-Xique Remix - Mixed","registered_at":"2026-06-24T13:07:39Z","spotify_id":"4Wdks6BJkLxBtj7ycMXh8N","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7620340c45bb259ad5279b21317ee15cdd0a81c061efcaa26cedbbbb68c893. 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/4Wdks6BJkLxBtj7ycMXh8N.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/4Wdks6BJkLxBtj7ycMXh8N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce48cd7358f6f7e904b5aaa1b31e9a1d1c284e9b460ca3c87f20bf0814606179. 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/7DlM4WLhd9b0rja1sW83Li.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/7DlM4WLhd9b0rja1sW83Li.
Enchanted Eve - KlangDruide Remix - Mixed
{"copyright_id":"0x541f86288d6037e8ae87545e4a2993b0e5d48d4ec1222b41a8cf8bf373e355c8","isrc":"US83Z2329487","name":"Enchanted Eve - KlangDruide Remix - Mixed","registered_at":"2026-06-23T09:17:21Z","spotify_id":"7wZaeKQuAAEwxRduDWItqf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x541f86288d6037e8ae87545e4a2993b0e5d48d4ec1222b41a8cf8bf373e355c8. 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/7wZaeKQuAAEwxRduDWItqf.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/7wZaeKQuAAEwxRduDWItqf.
{"copyright_id":"0xd26ce7020b0bae0f5b189d1615c1ce34238bc5df5c50ef2bdc45bb286db7be2c","isrc":"US83Z2329485","name":"Mooladhara - Mixed","registered_at":"2026-06-25T23:17:04Z","spotify_id":"2vm73GnUiCY3ytBLIZ3I4O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd26ce7020b0bae0f5b189d1615c1ce34238bc5df5c50ef2bdc45bb286db7be2c. 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/2vm73GnUiCY3ytBLIZ3I4O.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/2vm73GnUiCY3ytBLIZ3I4O.
{"copyright_id":"0x541f86288d6037e8ae87545e4a2993b0e5d48d4ec1222b41a8cf8bf373e355c8","isrc":"US83Z2329487","name":"Enchanted Eve - KlangDruide Remix - Mixed","registered_at":"2026-06-23T09:17:21Z","spotify_id":"1BGrKHtYXg6jE7HTwIzBC6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x541f86288d6037e8ae87545e4a2993b0e5d48d4ec1222b41a8cf8bf373e355c8. 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/1BGrKHtYXg6jE7HTwIzBC6.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/1BGrKHtYXg6jE7HTwIzBC6.
{"copyright_id":"0x6d7620340c45bb259ad5279b21317ee15cdd0a81c061efcaa26cedbbbb68c893","isrc":"US83Z2225648","name":"Okoa - Xique-Xique Remix - Mixed","registered_at":"2026-06-24T13:07:39Z","spotify_id":"3her6I6QOIlaGu1Ny8hhTU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7620340c45bb259ad5279b21317ee15cdd0a81c061efcaa26cedbbbb68c893. 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/3her6I6QOIlaGu1Ny8hhTU.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/3her6I6QOIlaGu1Ny8hhTU.
Koregaon Park - Ben & Vincent Remix - Mixed
Deep & Slow | Downtempo World Beats (DJ Mix)
{"copyright_id":"0x6d7620340c45bb259ad5279b21317ee15cdd0a81c061efcaa26cedbbbb68c893","isrc":"US83Z2225648","name":"Okoa - Xique-Xique Remix - Mixed","registered_at":"2026-06-24T13:07:39Z","spotify_id":"3FY85RLWIQTrvmDi35W2NG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d7620340c45bb259ad5279b21317ee15cdd0a81c061efcaa26cedbbbb68c893. 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/3FY85RLWIQTrvmDi35W2NG.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/3FY85RLWIQTrvmDi35W2NG.
Gobi Desert Collective & Jerry Spoon Compilation (DJ Mix)