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 0xb963ae01cf5585ee60d3f46542911dbcd46c6a2a1c540a393faa4d6cb8ba41fa. 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/512f19e3-9e7d-4fd0-89f5-f3904e4dc3a2.json and https://artists.proofprofile.net/proofs/artist/512f19e3-9e7d-4fd0-89f5-f3904e4dc3a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Slavonic Dances in E Minor, Op. 72, B. 147
Serenade in the Summer Residence (Serenata Nella Residenza Estiva) [For Flute Septet]
Gautier's Noel (Noel Di Gautier) [For Flute Septet]
The Enchantress of the North (L'incantatrice Del Nord) [For Flute Septet]
Sing the Triumph of the Lord (Arr. Péter Pejtsik)
Győzelemről énekeljen - Classical, Short Version
{"copyright_id":"0x15056b51de5ea2b2183fd86fa431edbe513ab2226aa4dae596c8a93d298c4042","isrc":"GBUM72208102","name":"The Poetry Of Wind And Waves","registered_at":"2026-06-08T07:54:51Z","spotify_id":"6APeu9Y3PUWLnBdSmcd68U","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 0x15056b51de5ea2b2183fd86fa431edbe513ab2226aa4dae596c8a93d298c4042. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6APeu9Y3PUWLnBdSmcd68U.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/6APeu9Y3PUWLnBdSmcd68U.
Cinema Paradiso - From ''Cinema Paradiso''
{"copyright_id":"0x4e53441bbf6508f06de81894ac66bf7e1e0de09529da4cf375830e823da879c7","isrc":"GBUM72000647","name":"Cinema Paradiso - From ''Cinema Paradiso''","registered_at":"2026-06-08T19:30:22Z","spotify_id":"4vPV00FiOzLGt6CR8Kb7QA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e53441bbf6508f06de81894ac66bf7e1e0de09529da4cf375830e823da879c7. 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/4vPV00FiOzLGt6CR8Kb7QA.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/4vPV00FiOzLGt6CR8Kb7QA.
Musik zum Entspannen - Klassik zum Träumen
{"copyright_id":"0xcfbc5dad1e85030c82849633811f947cfe05024a8d2af8c464c07cbe2db68ef4","isrc":"GBUM71703974","name":"In Caelum Fero","registered_at":"2026-06-10T18:50:32Z","spotify_id":"2MExdzMQRNgGcfH6QizkJB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbc5dad1e85030c82849633811f947cfe05024a8d2af8c464c07cbe2db68ef4. 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/2MExdzMQRNgGcfH6QizkJB.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/2MExdzMQRNgGcfH6QizkJB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03088975b735f7c720cffa1468de83ad8a0c2d23db94fa3800b50d270380a01d. 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/0JNeq3L54a9R3twYTGG264.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/0JNeq3L54a9R3twYTGG264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb956a5e5f560a5638ec6b3dd04753c7c2857cf9b998f7e621aefd746125ea98c. 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/6k1VTyCo0OPdSJq9IgEsRE.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/6k1VTyCo0OPdSJq9IgEsRE.
{"copyright_id":"0xd4b1bacea1acd13178398bedf12b862905747c5ec182b1acf78edddf12f51b8e","isrc":"GBUM71703977","name":"Song Of The Spirit","registered_at":"2026-06-10T05:08:43Z","spotify_id":"7oRtjFseV1KJiMLFYpYUbB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b1bacea1acd13178398bedf12b862905747c5ec182b1acf78edddf12f51b8e. 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/7oRtjFseV1KJiMLFYpYUbB.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/7oRtjFseV1KJiMLFYpYUbB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b752506c4f447103b3f85110de49fb90d55e370bbc759b489ae5e17ad55bc24. 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/71SkYHPsw0PRA6aoreHq3y.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/71SkYHPsw0PRA6aoreHq3y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50367f9781baf947d534681864574cc5dc381f1966f9773eb816e4e996a4da40. 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/01WDLjd3NwvrGlGBlRdGwp.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/01WDLjd3NwvrGlGBlRdGwp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e750dfc35cd8bdc975ba4e79bf64f6f2e458caa38953adb8117ef2f2add9de. 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/4wMPATzBtXH3CxkcxNykMM.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/4wMPATzBtXH3CxkcxNykMM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c1a2bd92755cde3c6fe82a0f56cd50072840602408352142b7e81eb53af51e. 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/60oW8rIrPskHkVlznUaZpG.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/60oW8rIrPskHkVlznUaZpG.
{"copyright_id":"0xcc25fd6d76b2708f396675a2bd6847c466f7de75d1949cefc14effe94f0ad730","isrc":"GBUM71703982","name":"Chorale: Cantilena","registered_at":"2026-06-08T21:14:33Z","spotify_id":"33WyrW9uQAwdp7xnkwq76D","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc25fd6d76b2708f396675a2bd6847c466f7de75d1949cefc14effe94f0ad730. 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/33WyrW9uQAwdp7xnkwq76D.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/33WyrW9uQAwdp7xnkwq76D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c820b16b4ea0292ea9bc4e64f215d676884cb2d8e3f088f74cd4708181accbc. 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/5Wtd0xW41UCYSNOrrjVEnU.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/5Wtd0xW41UCYSNOrrjVEnU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1eca73b66622b52f959a74159a7e8ff0385303b51abcf4b99a1b42e16ce845f. 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/3VLL1XtpmO3mgBxMGoqsCe.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/3VLL1XtpmO3mgBxMGoqsCe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x168bbadb22911912f36fd0b79001f93fd18c37074044933e4bb1061404bce556. 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/2DcHAJbpyO2CPAnZMGSkEG.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/2DcHAJbpyO2CPAnZMGSkEG.
The Very Best Of Karl Jenkins (80th Birthday Edition)
{"copyright_id":"0xcc25fd6d76b2708f396675a2bd6847c466f7de75d1949cefc14effe94f0ad730","isrc":"GBUM71703982","name":"Chorale: Cantilena","registered_at":"2026-06-08T21:14:33Z","spotify_id":"1SyYDA5Ysqlhr0nN6RHCS3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc25fd6d76b2708f396675a2bd6847c466f7de75d1949cefc14effe94f0ad730. 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/1SyYDA5Ysqlhr0nN6RHCS3.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/1SyYDA5Ysqlhr0nN6RHCS3.