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 0x29f8b8391837f66e60ffd0ee25083ef5c839f57506e9b82a40d3ca664c77ff5c. 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/f4076f90-55b7-4ee8-8db5-f16046a44003.json and https://artists.proofprofile.net/proofs/artist/f4076f90-55b7-4ee8-8db5-f16046a44003.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Through the Eyes of Science (And the Agony of War)
Over Your Head (Dr Headcrash Under Your Ground Mix)
Waliser Nachzehrer-Lehren Der Alten Schule
Sid Plus Drums (Live at Pettogallico Arena)
Last Ninja II: Central Park (Mitch Van Hayden Remix)
Abstractithica, Pt. 3 (SceneSat Edition)
Zelda 2 (Chronberg's Battle of the Remix)
One Man, One Button & the End of Mankind
Demo Scene Music (feat. Sir Garbagetruck)
Learning to Fly (Malmen's Soft Pedal Remix)
Selfhealing Trip Through the Stratosphere
{"copyright_id":"0x0adf4690e37bcebbb5aee50cfc1d432a95a7db4176bf0e209c70b45256b2c3e8","isrc":"ARF049600610","name":"Toda Una Noche Contigo","registered_at":"2026-06-06T07:14:38Z","spotify_id":"1WilgYfVLTOQhTDREfOCnu","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 0x0adf4690e37bcebbb5aee50cfc1d432a95a7db4176bf0e209c70b45256b2c3e8. 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/1WilgYfVLTOQhTDREfOCnu.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/1WilgYfVLTOQhTDREfOCnu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x709429a10a186c268c38699320ab752492bbc2bab604d3564dd0477705896f3d. 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/0WLd3D7uFUVaInABGtQ58K.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/0WLd3D7uFUVaInABGtQ58K.
{"copyright_id":"0x3b92a4ad6be0b0a0902648a2fd8318d141801a32f1fc5feba02f2cc69251964a","isrc":"ARF047400020","name":"Si Alguna Vez Piensas En Mi","registered_at":"2026-06-25T02:53:37Z","spotify_id":"6eVyIfOKAVLKp2p5x7s4Yi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b92a4ad6be0b0a0902648a2fd8318d141801a32f1fc5feba02f2cc69251964a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6eVyIfOKAVLKp2p5x7s4Yi.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/6eVyIfOKAVLKp2p5x7s4Yi.
{"copyright_id":"0xd42a54b68a4c05bfb70e6b6f741a3a7e55f7d53038ba62f44175c829861aa0c6","isrc":"ARF047400021","name":"Con La Lluvia, Volvera El Amor","registered_at":"2026-06-08T07:51:36Z","spotify_id":"4YLyPFNWgCwI3UMKTN2OBq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd42a54b68a4c05bfb70e6b6f741a3a7e55f7d53038ba62f44175c829861aa0c6. 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/4YLyPFNWgCwI3UMKTN2OBq.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/4YLyPFNWgCwI3UMKTN2OBq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa248e8072c44478f2e52b69cbcec76f99b2f2539565bbb119acdcc89fcad92. 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/68Pc7sk3K1bVmEKn8beWPe.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/68Pc7sk3K1bVmEKn8beWPe.
{"copyright_id":"0x6c9af47e4c9eff3add16ccc6716b154fcb57af21be9b1d8f51e9489fa5ad1927","isrc":"ARF049600614","name":"Ella Esta Con Lagrimas En Los Ojos","registered_at":"2026-06-06T13:38:53Z","spotify_id":"7aZtbGqQY34owas4N7pOB5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9af47e4c9eff3add16ccc6716b154fcb57af21be9b1d8f51e9489fa5ad1927. 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/7aZtbGqQY34owas4N7pOB5.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/7aZtbGqQY34owas4N7pOB5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee364223c8fd6966517f99e653762f40d31e57320c7bf5251229223478f9595b. 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/0lpOYLWAaog3ae5p4EaBr7.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/0lpOYLWAaog3ae5p4EaBr7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fea98d74e9f36e7514b65f9429a9dfd6583bf7e86eb29fc208248911d70ef8e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/09gSj0yu3946T4HdiOZit8.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/09gSj0yu3946T4HdiOZit8.
{"copyright_id":"0x1fdedabce3ba2d3986649e70effbdb2db4ab9cfdfb716ea5cc339373b746701d","isrc":"ARF047400025","name":"Una Bicicleta De Dos","registered_at":"2026-06-25T02:54:29Z","spotify_id":"6r8QUeEwpV9EXPKUCO9zvx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fdedabce3ba2d3986649e70effbdb2db4ab9cfdfb716ea5cc339373b746701d. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6r8QUeEwpV9EXPKUCO9zvx.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/6r8QUeEwpV9EXPKUCO9zvx.
{"copyright_id":"0xa7bc7d0013efe9640fb28dcc43788f0b603a4c19774b933f04d116561b342635","isrc":"ARF048000027","name":"Igual Cantare Mi Cancion","registered_at":"2026-06-25T11:59:09Z","spotify_id":"0ZdIutKeNMoBKLTNefh7KN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7bc7d0013efe9640fb28dcc43788f0b603a4c19774b933f04d116561b342635. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ZdIutKeNMoBKLTNefh7KN.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/0ZdIutKeNMoBKLTNefh7KN.
{"copyright_id":"0xc79c0c338e0dc9bcdac1cc197e692019fc0bfcc67943403a42c53d72d5f1f3af","isrc":"ARF047300007","name":"Hasta Que Me Digas Que Sos Mia","registered_at":"2026-06-25T11:42:20Z","spotify_id":"5aKNzA4CjM8h6ep9YvBPWR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc79c0c338e0dc9bcdac1cc197e692019fc0bfcc67943403a42c53d72d5f1f3af. 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/5aKNzA4CjM8h6ep9YvBPWR.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/5aKNzA4CjM8h6ep9YvBPWR.
{"copyright_id":"0x4b2063113a1da017e4caa94396df848239401d2746d1e4f48e6aac6a47d5e6c9","isrc":"ARF047400026","name":"Mi Vida Sencilla, Rara Y Divertida","registered_at":"2026-06-19T20:35:13Z","spotify_id":"45pFz7YHg81eHvgvN0Di7r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b2063113a1da017e4caa94396df848239401d2746d1e4f48e6aac6a47d5e6c9. 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/45pFz7YHg81eHvgvN0Di7r.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/45pFz7YHg81eHvgvN0Di7r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb516e51f474b2c751892393c90f7be58082b448cca4b570fd9fa1eebf7d05702. 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/3rdedbSZB6kayX95sSb58W.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/3rdedbSZB6kayX95sSb58W.
{"copyright_id":"0xceb24b7723f6075581b96aaf739ecb85c5351b414a2c72e0b38bfe642c6b68dd","isrc":"ARF049600624","name":"Nadie Podra Hacerme Olvidar","registered_at":"2026-06-06T20:27:35Z","spotify_id":"3m41nuEz6P99bpF9TeMm6f","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb24b7723f6075581b96aaf739ecb85c5351b414a2c72e0b38bfe642c6b68dd. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3m41nuEz6P99bpF9TeMm6f.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/3m41nuEz6P99bpF9TeMm6f.
{"copyright_id":"0xee66882de1e68d3f72788fac77eea9f3ac4d6f1524d9b34908f095c34c5a1bfa","isrc":"ARF049800009","name":"Me Mata","registered_at":"2026-06-29T13:53:31Z","spotify_id":"5HExeVKuuqdkXKKSBZrQOa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee66882de1e68d3f72788fac77eea9f3ac4d6f1524d9b34908f095c34c5a1bfa. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5HExeVKuuqdkXKKSBZrQOa.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/5HExeVKuuqdkXKKSBZrQOa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa248e8072c44478f2e52b69cbcec76f99b2f2539565bbb119acdcc89fcad92. 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/5uOlnRrjzdUziuRVdwAQUA.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/5uOlnRrjzdUziuRVdwAQUA.