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 0xdcec7d6fb8c0438b64bbe73ea3117d996992bce84311ff81c2679c6dbd5b69df. 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/29cb4ae5-a198-4ffc-8a37-d39514349dd2.json and https://artists.proofprofile.net/proofs/artist/29cb4ae5-a198-4ffc-8a37-d39514349dd2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe607d113a821e7fd4dc444399b043501f80722f9db80da8b8e4e21f08f4fdeba","isrc":"QZNJY2247999","name":"Los Chingones - Guaracha Mix","registered_at":"2026-06-25T07:49:48Z","spotify_id":"5yPZpmQTNq5mO8SmhvOWKI","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 0xe607d113a821e7fd4dc444399b043501f80722f9db80da8b8e4e21f08f4fdeba. 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/5yPZpmQTNq5mO8SmhvOWKI.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/5yPZpmQTNq5mO8SmhvOWKI.
{"copyright_id":"0x4b24a43e42da535c0e4dfa5299ef8ecfc38cdb6a5bd0f45c03126d41fd538bcc","isrc":"QZHZ32215722","name":"Los Chingones","registered_at":"2026-06-08T13:18:31Z","spotify_id":"5Xnnfrveu4dF0PPD8b55xf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b24a43e42da535c0e4dfa5299ef8ecfc38cdb6a5bd0f45c03126d41fd538bcc. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:44:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Xnnfrveu4dF0PPD8b55xf.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/5Xnnfrveu4dF0PPD8b55xf.
{"copyright_id":"0x4b24a43e42da535c0e4dfa5299ef8ecfc38cdb6a5bd0f45c03126d41fd538bcc","isrc":"QZHZ32215722","name":"Los Chingones","registered_at":"2026-06-08T13:18:31Z","spotify_id":"1vJ1Uh9A7v1OKGi96R0E8b","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b24a43e42da535c0e4dfa5299ef8ecfc38cdb6a5bd0f45c03126d41fd538bcc. 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/1vJ1Uh9A7v1OKGi96R0E8b.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/1vJ1Uh9A7v1OKGi96R0E8b.
{"copyright_id":"0x75a83d3f5c44a2a3276f09942ce105cd953af4f1d24dd1ed1375283da1c91386","isrc":"QM6N22273050","name":"La Cueva de los Indios - Remix","registered_at":"2026-06-10T16:36:14Z","spotify_id":"77uS85fmMaIjWSZlwFffB2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75a83d3f5c44a2a3276f09942ce105cd953af4f1d24dd1ed1375283da1c91386. 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/77uS85fmMaIjWSZlwFffB2.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/77uS85fmMaIjWSZlwFffB2.
{"copyright_id":"0xe483ecb6f0bcd1dace6b742d53860a341cfa8fbd05fbf5b1a46e7571585a4721","isrc":"QM6N22273051","name":"El Jefe Era Trujillo","registered_at":"2026-06-21T00:30:06Z","spotify_id":"6tAUD5KLZSqnRlghvQF3pk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe483ecb6f0bcd1dace6b742d53860a341cfa8fbd05fbf5b1a46e7571585a4721. 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/6tAUD5KLZSqnRlghvQF3pk.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/6tAUD5KLZSqnRlghvQF3pk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x783c43abdb28ef2ba261b49eb2f6929072f66294076d1b56179571ef82452467. 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/1HV6J3Lp92KK33z7p8l3XO.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/1HV6J3Lp92KK33z7p8l3XO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6530685d0a4dddbf001462f53b7754d2da77ea4a8306c1f08bcd685c7c19309. 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/5TikWdd8D3bc4PbLOT9sBK.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/5TikWdd8D3bc4PbLOT9sBK.
Los Espiritus Remix (feat. El Fother & El Mega)
{"copyright_id":"0xd1d7e28925f3600327896c20dccd4b49ff55107c45acf0d873cb2b2cffdf21e2","isrc":"QM6MZ2406868","name":"Yo Toy Mariao - Remix","registered_at":"2026-06-06T23:47:57Z","spotify_id":"4Iz7on1ElfdSwWsjMdB9Jx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1d7e28925f3600327896c20dccd4b49ff55107c45acf0d873cb2b2cffdf21e2. 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/4Iz7on1ElfdSwWsjMdB9Jx.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/4Iz7on1ElfdSwWsjMdB9Jx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a7f99addc4a5910a3c8b1bb7924d552145e64164d67645a992e30e6be53beda. 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/2L9l86vU2jEgTASb7HzGyG.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/2L9l86vU2jEgTASb7HzGyG.