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 0x3dacdd97058f1b9ba49a7bad1aa8f3ae879a575f2e99788741ffee71cfe13ffe. 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/eca9ee39-8166-4c0c-aeb2-7cf3e6b16570.json and https://artists.proofprofile.net/proofs/artist/eca9ee39-8166-4c0c-aeb2-7cf3e6b16570.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 0x26f455755b5d7e5fd509ceb86a8cdc590e149aec14e8a9196699697c637237c7. 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/18hl76OyEnKWHaJ8MrdAa5.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/18hl76OyEnKWHaJ8MrdAa5.
Die With A Smile x Glimpse Of Us (Mashup)
'Lovely Bastards' But it Sounds like a 2009 Roblox Song
{"copyright_id":"0x631304bbc982ea750f02520d16a6f7b9174a0fba9d685c4a6c1e0ca15c26d6d3","isrc":"AZT662172666","name":"'Lovely Bastards' But it Sounds like a 2009 Roblox Song","registered_at":"2026-06-09T21:53:06Z","spotify_id":"0kx12ccsxfX3Ddm34yC0Sk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631304bbc982ea750f02520d16a6f7b9174a0fba9d685c4a6c1e0ca15c26d6d3. 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/0kx12ccsxfX3Ddm34yC0Sk.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/0kx12ccsxfX3Ddm34yC0Sk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04aa07261f7caaa3338d1c7effc73d566ac77488034658f1113622c0d5757142. 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/1TYWjcZtJ8LZah7XQLNCtf.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/1TYWjcZtJ8LZah7XQLNCtf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc416963f747aed1ebbf76b25fffea68ec289339a357cebdf96e52007cb97ce75. 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/5r4dA4b4c1q2uPW12Wcuj5.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/5r4dA4b4c1q2uPW12Wcuj5.
{"copyright_id":"0x456236cb35f10bc52b8b5fc3ef17c292943399aeeac28ad15a7732f8342e2a03","isrc":"QZTAU2386216","name":"Cardigan Loop","registered_at":"2026-06-01T15:03:19Z","spotify_id":"4LDuFh8tES3xOVYRHhUADG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x456236cb35f10bc52b8b5fc3ef17c292943399aeeac28ad15a7732f8342e2a03. 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/4LDuFh8tES3xOVYRHhUADG.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/4LDuFh8tES3xOVYRHhUADG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x211d2bf6b0586d62ad2f82165542cdc10f5862400f50c38f02513e159974345a. 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/2h8QFElHRCzEF6ppZgnfGH.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/2h8QFElHRCzEF6ppZgnfGH.
{"copyright_id":"0x761ebd201290218234ff98da99d94a1b0c036691b771b2d6cf69ab0ad271b301","isrc":"GX5MX2362917","name":"Reflections - Sped Up","registered_at":"2026-06-04T10:37:52Z","spotify_id":"4wNtpg9TogSelNefmiLPvY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x761ebd201290218234ff98da99d94a1b0c036691b771b2d6cf69ab0ad271b301. 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/4wNtpg9TogSelNefmiLPvY.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/4wNtpg9TogSelNefmiLPvY.
{"copyright_id":"0x0a19e7d84d3fcfc3a5db617ffee5cbb26539c0657fbbe9f8c6f61e09dd78eedd","isrc":"GX4R52381957","name":"Le Monde - Sped Up","registered_at":"2026-06-05T14:14:21Z","spotify_id":"15r6vgM7DkWyjERLDMOvIK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a19e7d84d3fcfc3a5db617ffee5cbb26539c0657fbbe9f8c6f61e09dd78eedd. 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/15r6vgM7DkWyjERLDMOvIK.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/15r6vgM7DkWyjERLDMOvIK.
{"copyright_id":"0x94eb1fabc661137dab4fd4302490ec0ee19cf87c18dfe8462f9c5639a1d82bb8","isrc":"GX4R52336499","name":"Le Monde - Slowed","registered_at":"2026-06-05T23:49:24Z","spotify_id":"3XlAEdwzq7BlY9DGjLkafj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94eb1fabc661137dab4fd4302490ec0ee19cf87c18dfe8462f9c5639a1d82bb8. 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/3XlAEdwzq7BlY9DGjLkafj.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/3XlAEdwzq7BlY9DGjLkafj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7838fc23824268cd031d0ed9f6f22a88b61dfcf721cc177c1c677fce21359f8. 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/2LzAFLIOe3qUvCaPtIhX2G.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/2LzAFLIOe3qUvCaPtIhX2G.
{"copyright_id":"0xfa5fbe29e2f48a9be83f775d44b428fa3416fbc90aee03a8259839e921f2da15","isrc":"GX4R52341110","name":"The Eyes, Chico. They Never Lie","registered_at":"2026-06-02T02:07:17Z","spotify_id":"1gLDuc5vQBYD4r0bvfz7PN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa5fbe29e2f48a9be83f775d44b428fa3416fbc90aee03a8259839e921f2da15. 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/1gLDuc5vQBYD4r0bvfz7PN.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/1gLDuc5vQBYD4r0bvfz7PN.
{"copyright_id":"0xd796cbce68214f2ba0bb5a3586366d5d0cfa04eb5581733adf788b94b7c01f6a","isrc":"QZES92340855","name":"Something Snapped","registered_at":"2026-06-06T20:07:25Z","spotify_id":"7y850NVSZGi11pxNqpnagS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd796cbce68214f2ba0bb5a3586366d5d0cfa04eb5581733adf788b94b7c01f6a. 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/7y850NVSZGi11pxNqpnagS.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/7y850NVSZGi11pxNqpnagS.
{"copyright_id":"0x145afcf1499c98c98a0ef3fd095c3f105d37d86d7259448a44a583856c240edc","isrc":"QZTBY8190024","name":"Cardigan (TikTok Best Part)","registered_at":"2026-06-04T06:50:21Z","spotify_id":"68xSziJOLOWWYXGEJ1KqSI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x145afcf1499c98c98a0ef3fd095c3f105d37d86d7259448a44a583856c240edc. 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/68xSziJOLOWWYXGEJ1KqSI.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/68xSziJOLOWWYXGEJ1KqSI.