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 0xfc66a38ad48f4e53c27ffdd606a99e280e7b35e4ad532e17d56e0eb74b6bab26. 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/35e4cc34-adbd-4e00-9812-c009c4de3fcf.json and https://artists.proofprofile.net/proofs/artist/35e4cc34-adbd-4e00-9812-c009c4de3fcf.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 0x403bd4b21be76487bd6e76e94935d436f8f157755ce6382056131ecffd00a97d. 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/3VMkOYG2bhpuV865azyARR.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/3VMkOYG2bhpuV865azyARR.
{"copyright_id":"0xe3794b1ea33407bdb2f3cc558c1c92cf8a2e22f9c64ead0be2cf3ab54c2ebb92","isrc":"BKAVO2200327","name":"Poc Poc - Club Mix","registered_at":"2026-06-18T00:04:35Z","spotify_id":"0zA1KtyVktimA9g5VoWGae","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3794b1ea33407bdb2f3cc558c1c92cf8a2e22f9c64ead0be2cf3ab54c2ebb92. 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/0zA1KtyVktimA9g5VoWGae.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/0zA1KtyVktimA9g5VoWGae.
{"copyright_id":"0x2d80e39a4dcb8cd919a6cf97fc1205d616f9ca4626fa0d816503fd1badf07328","isrc":"ESA012264102","name":"Fala Mal de Mim - Remix","registered_at":"2026-06-05T08:31:06Z","spotify_id":"5Nf31NKn2OIFPQmLYdZoy3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d80e39a4dcb8cd919a6cf97fc1205d616f9ca4626fa0d816503fd1badf07328. 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/5Nf31NKn2OIFPQmLYdZoy3.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/5Nf31NKn2OIFPQmLYdZoy3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d17448779eef712a6eea81aef63ebdc1a048fd435a6a8ae39622e04765b21eb. 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/5xBcy3fUYYD865VqLQ93Dn.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/5xBcy3fUYYD865VqLQ93Dn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08066e2f57d191a2a02ad6725151c4130c41101ec218080d62b1c579d4f8f049. 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/6g0XIzPbYUiJ07uQk78Eny.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/6g0XIzPbYUiJ07uQk78Eny.
{"copyright_id":"0x741d6e43d01fd05eae3826dc137a705d3a96c281b197fe9d33d5661f45bbf326","isrc":"GBKQU2709650","name":"Vem Que Ela Tá Foguenta - Club Mix","registered_at":"2026-06-18T15:39:21Z","spotify_id":"2rgNiHLRnCY4NQCc92EjJz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741d6e43d01fd05eae3826dc137a705d3a96c281b197fe9d33d5661f45bbf326. 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/2rgNiHLRnCY4NQCc92EjJz.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/2rgNiHLRnCY4NQCc92EjJz.
{"copyright_id":"0x7a772d216cbef01760adcc73bcd9488eda38f178b826488fe77da7baa5990da3","isrc":"BKAVO2000027","name":"MTG BARBIE - CLUB MIX","registered_at":"2026-06-21T23:38:52Z","spotify_id":"4NQGZns4DOftJYdMMBEjUk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a772d216cbef01760adcc73bcd9488eda38f178b826488fe77da7baa5990da3. 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/4NQGZns4DOftJYdMMBEjUk.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/4NQGZns4DOftJYdMMBEjUk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a73665368182ad71c3181dc22922f44c1a6f9c83149f631c6f683339d2dfd9d. 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/0vMVluVS9GqyaExrUJKRhX.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/0vMVluVS9GqyaExrUJKRhX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf840b06492da6ac60157b021c299bd5164a6894e5253980ef0139d61d0a5b402. 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/7x7twH6gR2UjJYKWYQ5iwD.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/7x7twH6gR2UjJYKWYQ5iwD.
Manual De Sobrevivência No Baile Do Whighle
{"copyright_id":"0x5c78b1ee322c89e101f428bf01f243aef5024ba44f92cb2cc77334b3f2d3d546","isrc":"AUGBT2450095","name":"Na Ponta Ela Fica (Tech Funk Edit)","registered_at":"2026-06-18T15:39:23Z","spotify_id":"5EgUHlit17Uv9q5ZbTGQg7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c78b1ee322c89e101f428bf01f243aef5024ba44f92cb2cc77334b3f2d3d546. 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/5EgUHlit17Uv9q5ZbTGQg7.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/5EgUHlit17Uv9q5ZbTGQg7.
{"copyright_id":"0x883da0238521d9d85eec72df4d21540fbac9f5fc9ffc08d4b402d14ae18bdc7f","isrc":"AUGBT2450098","name":"Só Socadinha - Teck Funk","registered_at":"2026-06-27T00:26:34Z","spotify_id":"4wOJ1et4SI9rS6sqXe2vh2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x883da0238521d9d85eec72df4d21540fbac9f5fc9ffc08d4b402d14ae18bdc7f. 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/4wOJ1et4SI9rS6sqXe2vh2.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/4wOJ1et4SI9rS6sqXe2vh2.
{"copyright_id":"0xc7ae43edd211c140ab9c5ad8b29f1774fdf6065c3fd6f45b6284b961c4894395","isrc":"BKAVO2000242","name":"All Right - Vip Mix - Radio Edit","registered_at":"2026-06-25T20:25:04Z","spotify_id":"5VSUEE5GVeFAiFESgeBpQI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7ae43edd211c140ab9c5ad8b29f1774fdf6065c3fd6f45b6284b961c4894395. 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/5VSUEE5GVeFAiFESgeBpQI.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/5VSUEE5GVeFAiFESgeBpQI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878806b32870785f97505465432e1f7861a894780e2529d83c0f24918abc0556. 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/7LqoEH4nZjmawiDZxpp6gD.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/7LqoEH4nZjmawiDZxpp6gD.
{"copyright_id":"0x20c89ee616c14e9d8c82c7966c6d34622d06cc507cfff0e73d8eacdd9a6bbd08","isrc":"BKAVO2000037","name":"Make Me Shiver - Vip Mix","registered_at":"2026-06-06T15:13:37Z","spotify_id":"2iRkBhYBIraRPGbC8JQH0f","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20c89ee616c14e9d8c82c7966c6d34622d06cc507cfff0e73d8eacdd9a6bbd08. 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/2iRkBhYBIraRPGbC8JQH0f.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/2iRkBhYBIraRPGbC8JQH0f.
{"copyright_id":"0x8973d5af7a7012e74b84f7b858e844444f6be62f0f08c523c20b71ea4f27880e","isrc":"BKAVO2500003","name":"Rolê Em Jurerê - Extended Mix","registered_at":"2026-06-18T00:03:18Z","spotify_id":"3rGDK3BQg5iJ1NEqHsje8m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8973d5af7a7012e74b84f7b858e844444f6be62f0f08c523c20b71ea4f27880e. 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/3rGDK3BQg5iJ1NEqHsje8m.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/3rGDK3BQg5iJ1NEqHsje8m.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74c39c1cc9fe09f0085b5c44dbd42896eac251e91bf05de997e1b00a581352a2. 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/6Bc8Xsdv0G93Jy7aKtYYR6.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/6Bc8Xsdv0G93Jy7aKtYYR6.
{"copyright_id":"0xbe58e30db1c2902fc6bfa51c447e244d827348bef156f07b5360df5e2e2c9b75","isrc":"BKAVO2500014","name":"Walking With Elephants - Rework","registered_at":"2026-06-27T00:23:34Z","spotify_id":"1tOVPEcuRsZhC4NX5S2xOJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe58e30db1c2902fc6bfa51c447e244d827348bef156f07b5360df5e2e2c9b75. 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/1tOVPEcuRsZhC4NX5S2xOJ.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/1tOVPEcuRsZhC4NX5S2xOJ.
{"copyright_id":"0xb703b7268cecf4dc16ec8983d855b3d6d0ffd0f58268ade5ce2ba1e15a15258d","isrc":"BKAVO2000025","name":"Jungle - Vip Mix","registered_at":"2026-06-22T19:48:07Z","spotify_id":"0VBwAjKXIWTboAjYuOikCG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb703b7268cecf4dc16ec8983d855b3d6d0ffd0f58268ade5ce2ba1e15a15258d. 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/0VBwAjKXIWTboAjYuOikCG.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/0VBwAjKXIWTboAjYuOikCG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d23eff4dc3adb4f0e116a4cfccd99c6d3850f461ad227bb77990b9c8dbb8ffe. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xfbo5E461jXeOyYRkRdxN.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/5xfbo5E461jXeOyYRkRdxN.
{"copyright_id":"0xff5e13790bc1463bcb85e9de1f9f7a66abb7ffda409ac5fa86f821ed46751d34","isrc":"AUGBT2458971","name":"Tá Puto? - Extended Mix","registered_at":"2026-06-21T23:40:40Z","spotify_id":"4TKLdTCcitpeGamnAZsePo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff5e13790bc1463bcb85e9de1f9f7a66abb7ffda409ac5fa86f821ed46751d34. 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/4TKLdTCcitpeGamnAZsePo.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/4TKLdTCcitpeGamnAZsePo.
{"copyright_id":"0xfb87c17d21c2db14d73509e35576331d2571b0b3dc6a62dbc1f57da0805e75a8","isrc":"BKAVO7777780","name":"You Wanted a Hit - Vip Mix","registered_at":"2026-06-24T12:30:20Z","spotify_id":"7xS7IBql9j7Aw0wkJaEzvI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb87c17d21c2db14d73509e35576331d2571b0b3dc6a62dbc1f57da0805e75a8. 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/7xS7IBql9j7Aw0wkJaEzvI.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/7xS7IBql9j7Aw0wkJaEzvI.