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 0xeeb5c3ae50d5ab6d1e7004745a5a38fcbb7fbf411c5af0847f06058db14fbeab. 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/c1323d03-0e08-4a85-a93d-4185f825a2b1.json and https://artists.proofprofile.net/proofs/artist/c1323d03-0e08-4a85-a93d-4185f825a2b1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sounds of Nature for Deep Sleep and Relaxation
Healing Sounds for Deep Sleep and Relaxation
Relaxing River Water Amazonas Rain Forest
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 0xbd31309ff67188a725b9c5cd1e6c6521577c91d3fa7e2c8ffada7ddafa82fd96. 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/2oPyw2tl75qEPy4H3WB58O.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/2oPyw2tl75qEPy4H3WB58O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x215019e168a2c71859ceb61e78c0a54d63e8b245b77dd8ded4ffca62c5b71f6a. 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/53U5fZcpUQkB38iXfHqZa8.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/53U5fZcpUQkB38iXfHqZa8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf4a7031598543673ff861bfcff9aa9ec0c5876437bf1fce86728a6c90121791. 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/5vnCWFqnCo4PCEqaAPqROZ.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/5vnCWFqnCo4PCEqaAPqROZ.
{"copyright_id":"0xcbf02e47a3a6390cfb65f865c4751b7e9daabb898964cf36ee950daab80d57ef","isrc":"SE5W32101853","name":"At Sea","registered_at":"2026-06-04T08:20:10Z","spotify_id":"7wRfRPaDStGzCt0r0YqpOq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf02e47a3a6390cfb65f865c4751b7e9daabb898964cf36ee950daab80d57ef. 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/7wRfRPaDStGzCt0r0YqpOq.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/7wRfRPaDStGzCt0r0YqpOq.
{"copyright_id":"0xae69e352fec7afba1848355ca76902bd61e2d1d78147210cb5ddaed3f9d77c40","isrc":"SE5W32101854","name":"Wave Me To Sleep","registered_at":"2026-06-05T15:51:27Z","spotify_id":"0P87QUG1l5mFkdBYaxCz2y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae69e352fec7afba1848355ca76902bd61e2d1d78147210cb5ddaed3f9d77c40. 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/0P87QUG1l5mFkdBYaxCz2y.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/0P87QUG1l5mFkdBYaxCz2y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3138bb52aed6ac96dcaeef3261ae19466838d98b6a0a276018d2450a3237f14. 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/38GI6bauoVoSMXa5baY8KU.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/38GI6bauoVoSMXa5baY8KU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e300ed924f244874e467114713a3f47b16bd385088e982dadc1a969584a622. 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/6hktqFLE1dKP1kIGmEaIVr.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/6hktqFLE1dKP1kIGmEaIVr.
{"copyright_id":"0x93de8e32dd4ad8e60a8f68cc36364aaec55635e3a7a273d8a606fa11fb779e96","isrc":"SE5W32101077","name":"Tropical Days","registered_at":"2026-06-08T18:29:40Z","spotify_id":"6qNVpTocfOd4VpIdDD6Py7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93de8e32dd4ad8e60a8f68cc36364aaec55635e3a7a273d8a606fa11fb779e96. 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/6qNVpTocfOd4VpIdDD6Py7.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/6qNVpTocfOd4VpIdDD6Py7.
{"copyright_id":"0x4e29ee8ba12ae046bf2f85ce97d69f899d9dd7c4afde3730b15be32a1e5185b1","isrc":"SE5W32101078","name":"Sitting In the Nature","registered_at":"2026-06-09T15:33:38Z","spotify_id":"2rwGKcu19feEhT5h2bCc5Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e29ee8ba12ae046bf2f85ce97d69f899d9dd7c4afde3730b15be32a1e5185b1. 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/2rwGKcu19feEhT5h2bCc5Y.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/2rwGKcu19feEhT5h2bCc5Y.