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 0x0368c80246dbbe2b9a5ada6b6a3b2f9eb25f39bd7c5fc88a13c5eef33f1d2f9e. 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/60679bd5-3fe3-4ed2-886c-96ebdc03698e.json and https://artists.proofprofile.net/proofs/artist/60679bd5-3fe3-4ed2-886c-96ebdc03698e.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 0x8dd5a6477eca26dabc2b92509475363eb1001198e78f01da1d318d1f37a83178. 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/0PukrHFus6hVBHku8hrS0Z.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/0PukrHFus6hVBHku8hrS0Z.
{"copyright_id":"0x4f7121aa8be8329b430f2dd4f3bad83cb4005c5e47718d7053fddc81f1c9d038","isrc":"DEA622101082","name":"Habibi - Albanian Remix","registered_at":"2026-06-01T06:40:54Z","spotify_id":"2sHYMLUd4nVLxHPKY05Ein","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f7121aa8be8329b430f2dd4f3bad83cb4005c5e47718d7053fddc81f1c9d038. 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/2sHYMLUd4nVLxHPKY05Ein.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/2sHYMLUd4nVLxHPKY05Ein.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd5a6477eca26dabc2b92509475363eb1001198e78f01da1d318d1f37a83178. 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/552XAn6DZb2UVT2G9rCpDQ.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/552XAn6DZb2UVT2G9rCpDQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ef06c7fe221d716b74572b6a283600a8be5ee804f415a7d24f69e2da78c819. 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/2EXIXFyWSnJAVzxy4kZQfA.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/2EXIXFyWSnJAVzxy4kZQfA.
{"copyright_id":"0x3b3eaa824279e4127bb38f6b32c168904ea2ac0c02014a0d44c1fde855247045","isrc":"DGA072182238","name":"Le passé - Scandinavia Version","registered_at":"2026-06-06T10:18:00Z","spotify_id":"5OEEu5AWpVZr6AsehEnYVB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b3eaa824279e4127bb38f6b32c168904ea2ac0c02014a0d44c1fde855247045. 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/5OEEu5AWpVZr6AsehEnYVB.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/5OEEu5AWpVZr6AsehEnYVB.
{"copyright_id":"0x12da8bacf06d16f6619c10b653d258b60d02a8f9a08e7cfb658a4ec0929720ff","isrc":"DKAZA2100334","name":"Sus (Gobs X Ricky Rich)","registered_at":"2026-06-04T15:09:05Z","spotify_id":"5PnEUWdFgAzKvu9tnsGeME","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12da8bacf06d16f6619c10b653d258b60d02a8f9a08e7cfb658a4ec0929720ff. 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/5PnEUWdFgAzKvu9tnsGeME.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/5PnEUWdFgAzKvu9tnsGeME.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53c3ef3c4d63bee4a6274240328097370506f9419bd46b243bd7200e742ec690. 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/7tSrpnswfRDw1bqYXrcDS0.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/7tSrpnswfRDw1bqYXrcDS0.
{"copyright_id":"0x8da5d19b6c3febb8abd75f5c5397e140ab1adcc1b5e17c6849d4a3877451b807","isrc":"SEPQA2100127","name":"Baby (feat. Asme & Ricky Rich)","registered_at":"2026-01-28T20:34:42Z","spotify_id":"6A0qeZiQc0HoKZuoiHJdnG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8da5d19b6c3febb8abd75f5c5397e140ab1adcc1b5e17c6849d4a3877451b807. 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/6A0qeZiQc0HoKZuoiHJdnG.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/6A0qeZiQc0HoKZuoiHJdnG.
Better Day (feat. Jireel, Jelassi, Ricky Rich, Mona Masrour, A36)
{"copyright_id":"0x6dfac4bc321600dbe6646e275bdc9e269751b57f432a6bfc5a0494b55a1d949e","isrc":"SEPQA2100138","name":"Better Day (feat. Jireel Jelassi Ricky Rich Mona Masrour A36)","registered_at":"2026-01-28T23:08:10Z","spotify_id":"2OSc0qlU6hf6G08tvUcVgV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dfac4bc321600dbe6646e275bdc9e269751b57f432a6bfc5a0494b55a1d949e. 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/2OSc0qlU6hf6G08tvUcVgV.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/2OSc0qlU6hf6G08tvUcVgV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c310527b50b12bf9488ee3be9c21165af6255f278782caded837b04b8628ff. 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/1XaGleT28zeHLKkUqK8KEc.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/1XaGleT28zeHLKkUqK8KEc.
{"copyright_id":"0x12da8bacf06d16f6619c10b653d258b60d02a8f9a08e7cfb658a4ec0929720ff","isrc":"DKAZA2100334","name":"Sus (Gobs X Ricky Rich)","registered_at":"2026-06-04T15:09:05Z","spotify_id":"4GItDZYNSfmGSdDreKHJKt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12da8bacf06d16f6619c10b653d258b60d02a8f9a08e7cfb658a4ec0929720ff. 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/4GItDZYNSfmGSdDreKHJKt.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/4GItDZYNSfmGSdDreKHJKt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe85358ff82bb33dd4aa288ba42e7f9768707c81b684eaceca7158a4dbe7adda6. 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/7D5EVyJHWJ2KaVBmffdYBq.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/7D5EVyJHWJ2KaVBmffdYBq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe85358ff82bb33dd4aa288ba42e7f9768707c81b684eaceca7158a4dbe7adda6. 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/1tp9H1208V1TRhG8IEBPxD.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/1tp9H1208V1TRhG8IEBPxD.
Ku Je Ti (feat. Ricky Rich & Dafina Zeqiri)
{"copyright_id":"0xd54349c86b72524eea3f6c51ffb499af8a194ebfb0ce0acb3e120fb27f444543","isrc":"NL2BN2300049","name":"Ku Je Ti (feat. Ricky Rich & Dafina Zeqiri)","registered_at":"2026-06-04T10:59:34Z","spotify_id":"0xVDkht7T97HkFCXmiCQLT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd54349c86b72524eea3f6c51ffb499af8a194ebfb0ce0acb3e120fb27f444543. 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/0xVDkht7T97HkFCXmiCQLT.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/0xVDkht7T97HkFCXmiCQLT.
LeyLey (feat. Newkid, Linda Pira, Jireel & Ricky Rich) - F.A.M.E REMIX
LeyLey (feat. Newkid, Linda Pira, Jireel & Ricky Rich) [F.A.M.E REMIX]
{"copyright_id":"0xa0ee52cd7978268dc289340dbe595403ebe33a04a9e1ac18e4bc2c40eb5b1c1e","isrc":"SE56I1900111","name":"LeyLey (feat. Newkid Linda Pira Jireel & Ricky Rich) - F.A.M.E REMIX","registered_at":"2026-01-28T21:46:44Z","spotify_id":"5lIIqqDPVlde8kScL8F0Mg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0ee52cd7978268dc289340dbe595403ebe33a04a9e1ac18e4bc2c40eb5b1c1e. 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/5lIIqqDPVlde8kScL8F0Mg.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/5lIIqqDPVlde8kScL8F0Mg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84df840a089d298155d961c3576a9910e78160b4b8866585cfe7612f57fd5e90. 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/07jtEjDCrK0dlkhhU6aWDb.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/07jtEjDCrK0dlkhhU6aWDb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x194158cd14bde2f7893c47982ba3ee8c51b67e5ab3b1891c5a56ca98c83df991. 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/2TjxGECvHDpCEtB3b5D6PR.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/2TjxGECvHDpCEtB3b5D6PR.
{"copyright_id":"0xdd27c17f1bc22bb23c257489ee3657dfaebb6b1acd053f01da4c76fef75bb8a9","isrc":"QMEU32206689","name":"ON FIRE (feat. Ricky Rich)","registered_at":"2026-06-06T02:40:15Z","spotify_id":"6bM8lZJacLaZxF2WFxx3px","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd27c17f1bc22bb23c257489ee3657dfaebb6b1acd053f01da4c76fef75bb8a9. 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/6bM8lZJacLaZxF2WFxx3px.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/6bM8lZJacLaZxF2WFxx3px.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56801c2e5d5e2be01419f82ebb5afd25be8a0778fc92125452cb3029e2436644. 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/0OFjTuFhMuh0axXKxTNQOm.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/0OFjTuFhMuh0axXKxTNQOm.