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 0x16d1e1be9d44519cbf131f59870a602573d4918d3484549feceeafe7ae0d8586. 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/47725a92-2d1a-4c42-b3b6-4263575153f9.json and https://artists.proofprofile.net/proofs/artist/47725a92-2d1a-4c42-b3b6-4263575153f9.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 0xb000290f899229aed7f67e0aa67005a569b912a016e95fbd1414ca5403279eae. 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/1pdeC3mJL4JjgzJplEC2Xr.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/1pdeC3mJL4JjgzJplEC2Xr.
NO ESTOY EN CONTRA (2023 Remastered Version)
NO ESTOY EN CONTRA - 2023 Remastered Version
{"copyright_id":"0x2dfd64d4357c622d7e06e2e53cd75171ab15024773dae9f500d2c5f64d27acb0","isrc":"CA5KR2352671","name":"Tusi Tabuena","registered_at":"2026-06-05T22:16:21Z","spotify_id":"2MrOhzbfkSwuJ4qUdPT8dO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dfd64d4357c622d7e06e2e53cd75171ab15024773dae9f500d2c5f64d27acb0. 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/2MrOhzbfkSwuJ4qUdPT8dO.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/2MrOhzbfkSwuJ4qUdPT8dO.
{"copyright_id":"0xae35400bce8ad78f5cc23081151147ae84ecb9a5276a5f0fc007f9369a2298ff","isrc":"QZW9M2206256","name":"Angelica (Audio Directo)","registered_at":"2026-06-18T02:42:23Z","spotify_id":"5RdvP4mlnaEAlZwJg7cXCI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae35400bce8ad78f5cc23081151147ae84ecb9a5276a5f0fc007f9369a2298ff. 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/5RdvP4mlnaEAlZwJg7cXCI.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/5RdvP4mlnaEAlZwJg7cXCI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11edb692abb15251d55b489d77d4fc0e23fb6264671d2c8c8f34af338b69bf72. 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/7rST9Wrseta1GO1mIyceFK.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/7rST9Wrseta1GO1mIyceFK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11edb692abb15251d55b489d77d4fc0e23fb6264671d2c8c8f34af338b69bf72. 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/6OM9V2YFU5LYLPehYNgdVe.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/6OM9V2YFU5LYLPehYNgdVe.
{"copyright_id":"0x2edab990afabeabe4e6c2b7533ce11340ae9d6b8083baab43b19d47b8d5ec78f","isrc":"QZNJW2470621","name":"Como Palma","registered_at":"2026-06-19T13:00:00Z","spotify_id":"5Fy6q7NXWw4KzDvQzE6h6J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2edab990afabeabe4e6c2b7533ce11340ae9d6b8083baab43b19d47b8d5ec78f. 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/5Fy6q7NXWw4KzDvQzE6h6J.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/5Fy6q7NXWw4KzDvQzE6h6J.