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 0xc1808f50d4c7ab581dcd9996b8e80bc443e378ed95c105f965f7f0149998dd55. 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/34de9657-0ec4-473a-b4e2-8f75cd3c257e.json and https://artists.proofprofile.net/proofs/artist/34de9657-0ec4-473a-b4e2-8f75cd3c257e.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 0xd3994910b5ff8d44e268faa1cf27c75dc60e02302ff9dffe9ee6d69962680c64. 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/4gwFVI4Q0VouDHK6Jg3vDT.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/4gwFVI4Q0VouDHK6Jg3vDT.
{"copyright_id":"0x80dfa5063a10e5f2bfe35f77eaac9f03b7e89f81417e533793242d62588c61c5","isrc":"FR9W11822535","name":"Wonders - Monte Fino Chill Mix","registered_at":"2026-06-24T12:28:38Z","spotify_id":"03vUyj24muuNiz5wnzZabh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80dfa5063a10e5f2bfe35f77eaac9f03b7e89f81417e533793242d62588c61c5. 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/03vUyj24muuNiz5wnzZabh.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/03vUyj24muuNiz5wnzZabh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3cc08a6327882242ed23c5c49eefec26a6f45a76570d0c58b068332495adb50. 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/6mp9jSXQ7jakFaISJjTrqQ.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/6mp9jSXQ7jakFaISJjTrqQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3cc08a6327882242ed23c5c49eefec26a6f45a76570d0c58b068332495adb50. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/161MIMV06dXsMoAJLATpZj.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/161MIMV06dXsMoAJLATpZj.
{"copyright_id":"0x9fa9885e30990e7989fa2701ee2548a893917e8f0da082a6655bf9c36a61ade7","isrc":"FR9W11502027","name":"Riva (Restart The Game) - Single Edit","registered_at":"2026-06-04T09:10:30Z","spotify_id":"3ok4HXpVPBx9QnFBN1Xdx2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa9885e30990e7989fa2701ee2548a893917e8f0da082a6655bf9c36a61ade7. 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/3ok4HXpVPBx9QnFBN1Xdx2.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/3ok4HXpVPBx9QnFBN1Xdx2.
{"copyright_id":"0x96e356eca6da4f49b2659b3f7a54bf56c44ccac846c16460fd04a280da238633","isrc":"FR4Y91500040","name":"Fireball (feat. Broken Back)","registered_at":"2026-06-04T10:39:10Z","spotify_id":"5znEiVKJITQ1JProGoHht6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96e356eca6da4f49b2659b3f7a54bf56c44ccac846c16460fd04a280da238633. 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/5znEiVKJITQ1JProGoHht6.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/5znEiVKJITQ1JProGoHht6.
Fireball (feat. Broken Back) (Synapson Re-vision)
{"copyright_id":"0x19339836a19c772cd0123861e05649c569572d2cf2269c1ec58e1016091beb4e","isrc":"FR4Y91600028","name":"Fireball (feat. Broken Back) (Synapson Re-vision)","registered_at":"2026-06-11T09:13:07Z","spotify_id":"2pmHkc7h9gPjKEb7bYeRBx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19339836a19c772cd0123861e05649c569572d2cf2269c1ec58e1016091beb4e. 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/2pmHkc7h9gPjKEb7bYeRBx.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/2pmHkc7h9gPjKEb7bYeRBx.
Riva (Restart The Game) - DJ Licious Remix
{"copyright_id":"0x595b4650903f16653d5af20ca91af68eeed0722627b9d87ca9aeabcf793024c5","isrc":"FR9W11508307","name":"Riva (Restart The Game) - Krono Remix","registered_at":"2026-06-08T17:21:20Z","spotify_id":"5w4iSKaX6jxecDD8QSbK8j","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595b4650903f16653d5af20ca91af68eeed0722627b9d87ca9aeabcf793024c5. 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/5w4iSKaX6jxecDD8QSbK8j.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/5w4iSKaX6jxecDD8QSbK8j.
Riva (Restart The Game) - Monkeyneck Remix
Riva (Restart The Game) - Parov Stelar Remix
{"copyright_id":"0x4e9a0e53b62e02245070143e9e2da0e9b2cefb4555c56a9ad7c3cfa6a040d25d","isrc":"FR9W11508309","name":"Riva (Restart The Game) - Parov Stelar Remix","registered_at":"2026-06-20T18:52:43Z","spotify_id":"78pc1GD7DioDpy6qwmJvgw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e9a0e53b62e02245070143e9e2da0e9b2cefb4555c56a9ad7c3cfa6a040d25d. 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/78pc1GD7DioDpy6qwmJvgw.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/78pc1GD7DioDpy6qwmJvgw.
{"copyright_id":"0x5982f5c87e32452adfc287f0747f884dc2ead392373a76f77ed1d95ca35bc26c","isrc":"FR9W11502026","name":"RIVA (Restart the Game) - Original Mix","registered_at":"2026-06-07T05:30:30Z","spotify_id":"4kSiGQd3m0hgpbxLhcYixo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5982f5c87e32452adfc287f0747f884dc2ead392373a76f77ed1d95ca35bc26c. 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/4kSiGQd3m0hgpbxLhcYixo.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/4kSiGQd3m0hgpbxLhcYixo.
{"copyright_id":"0x96e356eca6da4f49b2659b3f7a54bf56c44ccac846c16460fd04a280da238633","isrc":"FR4Y91500040","name":"Fireball (feat. Broken Back)","registered_at":"2026-06-04T10:39:10Z","spotify_id":"5BiYg12l7EpFZtrvWZpkT0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96e356eca6da4f49b2659b3f7a54bf56c44ccac846c16460fd04a280da238633. 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/5BiYg12l7EpFZtrvWZpkT0.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/5BiYg12l7EpFZtrvWZpkT0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96e356eca6da4f49b2659b3f7a54bf56c44ccac846c16460fd04a280da238633. 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/1qhP1zx4IJ3lfyv0Xs5z70.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/1qhP1zx4IJ3lfyv0Xs5z70.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x692280a5ac5acc977cf5f8913267c004e9fde97ac890634455dd9f826894072d. 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/6h8G9hlpVKV9AEOnO6muzi.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/6h8G9hlpVKV9AEOnO6muzi.