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 0x71e965981f4cc15805c1446fba4b54309a11f0d8f4c769b7fc259062bc0a90fe. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5cb6026a-622d-4ed9-a2a1-7ae28cad2f50.json and https://artists.proofprofile.net/proofs/artist/5cb6026a-622d-4ed9-a2a1-7ae28cad2f50.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x72d88566b9ddda0af67e9c6b09d2e5c04c0db2a26cc2bd3e45de9428c8714790","isrc":"UKSP81900032","name":"Hear That?","registered_at":"2026-06-25T16:14:14Z","spotify_id":"5z8ura5fiqvdbVlXnvcZIY","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 0x72d88566b9ddda0af67e9c6b09d2e5c04c0db2a26cc2bd3e45de9428c8714790. 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/5z8ura5fiqvdbVlXnvcZIY.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/5z8ura5fiqvdbVlXnvcZIY.
{"copyright_id":"0x9ef23bc538dedb316ed6005e120bc9e138490d8b72d6aeacf992a4fc45053320","isrc":"GBARL2301558","name":"Mile End - Zero Remix","registered_at":"2026-06-06T04:15:01Z","spotify_id":"1XrNusZwYoIrXHBwcyy1cg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ef23bc538dedb316ed6005e120bc9e138490d8b72d6aeacf992a4fc45053320. 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/1XrNusZwYoIrXHBwcyy1cg.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/1XrNusZwYoIrXHBwcyy1cg.
{"copyright_id":"0xc2e64c7e35127fa3ecc82b7c23e7e22ff54248b2ea74ab7884662bebd303c4ad","isrc":"GBARL2301541","name":"Mile End - Tsuki Remix","registered_at":"2026-06-19T10:39:41Z","spotify_id":"63A1P42gGSUj2WovQuNDjm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2e64c7e35127fa3ecc82b7c23e7e22ff54248b2ea74ab7884662bebd303c4ad. 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/63A1P42gGSUj2WovQuNDjm.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/63A1P42gGSUj2WovQuNDjm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52e848c7b7d8642d5770d33d5a279676b8b8eab57118823ab106596e9535a38a. 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/2qSbumnRqNEEwX9uLVFosM.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/2qSbumnRqNEEwX9uLVFosM.
Green & Gold (feat. Charlotte Plank & Riko Dan) - Darren Styles Remix
Green & Gold (feat. Charlotte Plank & Riko Dan) [Darren Styles Remix]
{"copyright_id":"0xd01b50a9f5bc7218b577c6e57ff18df4aab32890f0aa3d11dc3b55a889918830","isrc":"GBARL2400457","name":"Green & Gold (feat. Charlotte Plank & Riko Dan) - Darren Styles Remix","registered_at":"2026-06-05T12:49:33Z","spotify_id":"3VcRrEGKrLLIACvlr9lvQ7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01b50a9f5bc7218b577c6e57ff18df4aab32890f0aa3d11dc3b55a889918830. 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/3VcRrEGKrLLIACvlr9lvQ7.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/3VcRrEGKrLLIACvlr9lvQ7.
Green & Gold (feat. Charlotte Plank & Riko Dan) - Skepsis VIP Mix
Green & Gold (feat. Charlotte Plank & Riko Dan) [Skepsis VIP Mix]
{"copyright_id":"0xf25c6a747197d0c0bff1a745c5ef29794714c18d705b978f1b25bb84b7edf8e8","isrc":"GBARL2400271","name":"Green & Gold (feat. Charlotte Plank & Riko Dan) - Skepsis VIP Mix","registered_at":"2026-06-08T12:37:50Z","spotify_id":"72XbhXFWC35fbBPmMUA0NR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf25c6a747197d0c0bff1a745c5ef29794714c18d705b978f1b25bb84b7edf8e8. 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/72XbhXFWC35fbBPmMUA0NR.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/72XbhXFWC35fbBPmMUA0NR.
Green & Gold (feat. General Levy, Charlotte Plank & Riko Dan) - Congo Natty Carnival Remix
Green & Gold (feat. Skepsis, Charlotte Plank & Riko Dan) [Congo Natty Carnival Remix]
{"copyright_id":"0x725a049448088fbe688a1e22c9fcc16710b769377a4cf9be737c8c6bfa2be914","isrc":"GBARL2400709","name":"Green & Gold (feat. General Levy, Charlotte Plank & Riko Dan) - Congo Natty Carnival Remix","registered_at":"2026-06-08T11:57:20Z","spotify_id":"7GwYCxZxXrNvq2aC4vlSkj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725a049448088fbe688a1e22c9fcc16710b769377a4cf9be737c8c6bfa2be914. 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/7GwYCxZxXrNvq2aC4vlSkj.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/7GwYCxZxXrNvq2aC4vlSkj.
Green & Gold (feat. Charlotte Plank & Riko Dan) - Extended Mix
Green & Gold (feat. Charlotte Plank & Riko Dan) [Extended Mix]
{"copyright_id":"0x23dd8e211f9a829b320319f81228dbad86f0796e5ebe5e4cde45bcd8dd529052","isrc":"GBARL2400222","name":"Green & Gold (feat. Charlotte Plank & Riko Dan) - Extended Mix","registered_at":"2026-06-09T07:49:58Z","spotify_id":"4aOVLbe6JNp3GyzNssY3Og","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23dd8e211f9a829b320319f81228dbad86f0796e5ebe5e4cde45bcd8dd529052. 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/4aOVLbe6JNp3GyzNssY3Og.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/4aOVLbe6JNp3GyzNssY3Og.
Green & Gold (feat. Charlotte Plank & Riko Dan)
{"copyright_id":"0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b","isrc":"GBARL2400113","name":"Green & Gold (feat. Charlotte Plank & Riko Dan)","registered_at":"2026-06-01T11:34:25Z","spotify_id":"22BDTVPE3rrAi9JmLlbC9R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b. 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/22BDTVPE3rrAi9JmLlbC9R.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/22BDTVPE3rrAi9JmLlbC9R.
{"copyright_id":"0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b","isrc":"GBARL2400113","name":"Green & Gold (feat. Charlotte Plank & Riko Dan)","registered_at":"2026-06-01T11:34:25Z","spotify_id":"7FPLjcErHPinLakeuKXJBx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b. 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/7FPLjcErHPinLakeuKXJBx.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/7FPLjcErHPinLakeuKXJBx.
Green & Gold (feat. Charlotte Plank & Riko Dan) - Champion Remix
Green & Gold (feat. Charlotte Plank & Riko Dan) [Champion Remix]
{"copyright_id":"0x0afa175d1e705d5ac43e0e303c5ccf65dfb57313b79eebf8db8c3b0ff6ef7e6e","isrc":"GBARL2400486","name":"Green & Gold (feat. Charlotte Plank & Riko Dan) - Champion Remix","registered_at":"2026-06-10T18:07:07Z","spotify_id":"0UszJMTKOq9icL7IgxBPVi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0afa175d1e705d5ac43e0e303c5ccf65dfb57313b79eebf8db8c3b0ff6ef7e6e. 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/0UszJMTKOq9icL7IgxBPVi.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/0UszJMTKOq9icL7IgxBPVi.
{"copyright_id":"0xd9ae8426e0e7c5b63bade49518ac1baea7b05a2ee79a0b2a3f5995a0ade24add","isrc":"GB8KE2154025","name":"Duppy - DJ Hybrid Remix","registered_at":"2026-06-09T07:32:26Z","spotify_id":"6NfvvrvGUDhKaQ3DO9KAbs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9ae8426e0e7c5b63bade49518ac1baea7b05a2ee79a0b2a3f5995a0ade24add. 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/6NfvvrvGUDhKaQ3DO9KAbs.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/6NfvvrvGUDhKaQ3DO9KAbs.
{"copyright_id":"0x0fd96baf811929519df9d20895b6e7253cd14e5ae1d25662a0fe54661e8f7363","isrc":"UKSP82100005","name":"Hear That - Trends & Boylan Remix","registered_at":"2026-06-10T02:26:36Z","spotify_id":"62iYkA8fCyqw5lsoNcouTo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd96baf811929519df9d20895b6e7253cd14e5ae1d25662a0fe54661e8f7363. 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/62iYkA8fCyqw5lsoNcouTo.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/62iYkA8fCyqw5lsoNcouTo.
{"copyright_id":"0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b","isrc":"GBARL2400113","name":"Green & Gold (feat. Charlotte Plank & Riko Dan)","registered_at":"2026-06-01T11:34:25Z","spotify_id":"1u6nS3Zqgry9BDzU39Zyxg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b. 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/1u6nS3Zqgry9BDzU39Zyxg.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/1u6nS3Zqgry9BDzU39Zyxg.
{"copyright_id":"0x2d7f64014907b376bdf5a0649cbea221098c6fd3cf8b3b8bc8c10ced0867af83","isrc":"FR10S1442785","name":"Black Dragons","registered_at":"2026-06-24T14:29:13Z","spotify_id":"3hkaTxcPol9mojh5NupAT3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d7f64014907b376bdf5a0649cbea221098c6fd3cf8b3b8bc8c10ced0867af83. 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/3hkaTxcPol9mojh5NupAT3.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/3hkaTxcPol9mojh5NupAT3.
{"copyright_id":"0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b","isrc":"GBARL2400113","name":"Green & Gold (feat. Charlotte Plank & Riko Dan)","registered_at":"2026-06-01T11:34:25Z","spotify_id":"71BqtTAdJHmoN3wIrGx7rQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b. 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/71BqtTAdJHmoN3wIrGx7rQ.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/71BqtTAdJHmoN3wIrGx7rQ.
{"copyright_id":"0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b","isrc":"GBARL2400113","name":"Green & Gold (feat. Charlotte Plank & Riko Dan)","registered_at":"2026-06-01T11:34:25Z","spotify_id":"4g5DAUp5c4t9kvskBminAP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6b5b5bc6655f7bac30becacd63e366e759522125839e2b249e2dc8e1f38c9b. 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/4g5DAUp5c4t9kvskBminAP.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/4g5DAUp5c4t9kvskBminAP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd697f07f31c98faab37941387efa53bfa0ea8b0b7af2ac0bd0452294fa831684. 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/5hv8uOvnop71WgZgvxUe3e.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/5hv8uOvnop71WgZgvxUe3e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x351e03ea54752ad8db7f6a0f3b3b0dde9d97da87715fc8120aa81ab940526188. 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/2DAhV3EfN5hp2Rq5GB10Mk.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/2DAhV3EfN5hp2Rq5GB10Mk.