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 0xed7ae9c9b84732f0e49c5368ed27bac854401eb3beb938a4971d78b4892fd95c. 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/856a3959-3860-423b-935a-ce7e57ab4cc4.json and https://artists.proofprofile.net/proofs/artist/856a3959-3860-423b-935a-ce7e57ab4cc4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Morena (Ao Vivo No Rio De Janeiro / 2019)
Morena - Ao Vivo No Rio De Janeiro / 2019
{"copyright_id":"0x822b53d2907893ee1d00b737e3b1144f215bebda4e70ec0f984fed4e6ade442b","isrc":"BXG6R2400707","name":"Famosinha Do Instagram","registered_at":"2026-06-11T09:44:45Z","spotify_id":"3HWYC8wrj3Eurw8XV0cBjW","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 0x822b53d2907893ee1d00b737e3b1144f215bebda4e70ec0f984fed4e6ade442b. 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/3HWYC8wrj3Eurw8XV0cBjW.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/3HWYC8wrj3Eurw8XV0cBjW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e698506823e2fcc38bcf9c1e7bf68e77fb363f166d3f6695dc26233ce1c737a. 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/3svOIY5OI7IoYYCw8XsNsA.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/3svOIY5OI7IoYYCw8XsNsA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab57ad8ec8b909b4b375dcbaf4a593ee8432fa943438363bf449f5622c36eaa3. 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/0V01uDdoIEQRZHE5Ii63iq.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/0V01uDdoIEQRZHE5Ii63iq.
Estilo De Vida (feat. Murillo e LT no Beat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9b377645a8787c00489f8f63aa4f778467b54092e2614861a2298c0877dd58c. 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/5jDiJWKgksOhxvaa5qfRJp.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/5jDiJWKgksOhxvaa5qfRJp.
{"copyright_id":"0x386aad4e80078f8bfdcf54ec8f5e3f3a74712f508e3eb619cc42f0efec70ca82","isrc":"BKXX62400008","name":"Lauryn Hill","registered_at":"2026-06-05T16:48:06Z","spotify_id":"2NqjuNAQrfVp3jx9OiBQPF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x386aad4e80078f8bfdcf54ec8f5e3f3a74712f508e3eb619cc42f0efec70ca82. 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/2NqjuNAQrfVp3jx9OiBQPF.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/2NqjuNAQrfVp3jx9OiBQPF.
{"copyright_id":"0xef54faf262250af88651c8d7de9c6db376523563aa3e0f317feffe284fa20179","isrc":"BRUM72401224","name":"DDD 011 Capital Das Notas","registered_at":"2026-06-21T02:17:41Z","spotify_id":"0WTX7AD9qzSYMWuB7DtqBj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef54faf262250af88651c8d7de9c6db376523563aa3e0f317feffe284fa20179. 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/0WTX7AD9qzSYMWuB7DtqBj.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/0WTX7AD9qzSYMWuB7DtqBj.
{"copyright_id":"0xedbc8ca49d84ece6cf27994a9d145c0f86f487347fb9d503b152f823fda1094c","isrc":"BXIV82326945","name":"Ela Vem de Longe","registered_at":"2026-06-25T15:54:42Z","spotify_id":"5s0vKXVXh9twM3LamL4hlB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedbc8ca49d84ece6cf27994a9d145c0f86f487347fb9d503b152f823fda1094c. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5s0vKXVXh9twM3LamL4hlB.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/5s0vKXVXh9twM3LamL4hlB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd6a8206f4499d728a04368d2b1849ac8ccad4272985d8cb886ef8a03ad63333. 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/3d8A9ieLkU00NF28KyTVXa.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/3d8A9ieLkU00NF28KyTVXa.
{"copyright_id":"0xf6d7a20acbdca73acc15ff11028887619a7b150a3964ef0cc31ff3def4cd56b9","isrc":"BXG6R2401098","name":"Tipo Das Antiga","registered_at":"2026-06-24T13:14:49Z","spotify_id":"2nlSCFuwucioA0MVuvk9C6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6d7a20acbdca73acc15ff11028887619a7b150a3964ef0cc31ff3def4cd56b9. 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/2nlSCFuwucioA0MVuvk9C6.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/2nlSCFuwucioA0MVuvk9C6.
{"copyright_id":"0x8a3f8a6c39c14adf6b8e895b5d6da774a63d45539ed11885fc6542897a6643ab","isrc":"BC3PG2500354","name":"Famosinha Influencer","registered_at":"2026-06-04T05:44:50Z","spotify_id":"1iDjuswbs0Nt85KrzIVT2e","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a3f8a6c39c14adf6b8e895b5d6da774a63d45539ed11885fc6542897a6643ab. 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/1iDjuswbs0Nt85KrzIVT2e.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/1iDjuswbs0Nt85KrzIVT2e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c6cdc1bafb12469606cd517f34d9cbc5233c26dede4113f7723bb115eeebcff. 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/49qfX8SMy6LCY5qzDMBcBl.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/49qfX8SMy6LCY5qzDMBcBl.