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 0x09e2a21b70d17d7447747b1aee42ff57dbef8f460c0b9212b9733cc4b738d195. 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/c75b816f-2aaf-4518-9286-3d170cd652a8.json and https://artists.proofprofile.net/proofs/artist/c75b816f-2aaf-4518-9286-3d170cd652a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x731b1c1eae9be516ceb2f0b95bdb43725194f8d536ba3df5d0edb0939c32a6eb","isrc":"FR48Z1300025","name":"Childhood Fancy","registered_at":"2026-06-23T22:59:07Z","spotify_id":"4RhuLHobAbKUy3UWB5KAfC","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 0x731b1c1eae9be516ceb2f0b95bdb43725194f8d536ba3df5d0edb0939c32a6eb. 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/4RhuLHobAbKUy3UWB5KAfC.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/4RhuLHobAbKUy3UWB5KAfC.
{"copyright_id":"0x8ec827e26c5ddbe10318bfb8b7bc58d346bf5c5bd2a255b8f691e0a4bfe9d50d","isrc":"FR48Z1300036","name":"Call Me","registered_at":"2026-06-11T16:53:53Z","spotify_id":"2UqxvcayjFRJSRUrbpE7lI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ec827e26c5ddbe10318bfb8b7bc58d346bf5c5bd2a255b8f691e0a4bfe9d50d. 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/2UqxvcayjFRJSRUrbpE7lI.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/2UqxvcayjFRJSRUrbpE7lI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74391366f87e469984671567d45bdbfa35d83d583c7ebe7b8e9c6240409a3c97. 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/3ym3hjQJkKgxJ2BS5Mlfyq.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/3ym3hjQJkKgxJ2BS5Mlfyq.
From Within - JR From Dallas Ghetto Remix
{"copyright_id":"0xb1cb5d34db8111532f104f97fb226f0e1476aa41589d48d88e54f179d6608c81","isrc":"FR48Z1600077","name":"Forever Pimpin' - Joss Moog Edit","registered_at":"2026-06-27T01:48:37Z","spotify_id":"4oYAUd4SGafF8TReae8yqg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1cb5d34db8111532f104f97fb226f0e1476aa41589d48d88e54f179d6608c81. 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/4oYAUd4SGafF8TReae8yqg.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/4oYAUd4SGafF8TReae8yqg.
Bring Some Weed to the DJ Booth - Joss Moog Edit
Bring Some Weed to the Dj Booth (Joss Moog Edit)
Purobeach Vol. Cuatro The Global Adventure
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0276c3062a5aa4bbd6125415bd30944c2a55c1e25b8d42c8b7085243b617d662. 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/6X5uV9TvsDUBx7SJY9S4CQ.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/6X5uV9TvsDUBx7SJY9S4CQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82498c3c410fa68fab470a165c1e7ff598538678e7d6730c405b66fb8a2f8f99. 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/4kuZnxG1sBQx3EifnkGJNC.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/4kuZnxG1sBQx3EifnkGJNC.
{"copyright_id":"0x496dc14938ba750ccc1afec97d4ef2c1afd88f6a2dfc34ea5e3249faf5e2fe03","isrc":"DGA082307115","name":"Line Up","registered_at":"2026-06-06T12:27:39Z","spotify_id":"3VbJnsB3H4NScABB5EqJV1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x496dc14938ba750ccc1afec97d4ef2c1afd88f6a2dfc34ea5e3249faf5e2fe03. 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/3VbJnsB3H4NScABB5EqJV1.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/3VbJnsB3H4NScABB5EqJV1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2665bc184fa7f8474860cdac957ad9566feadf44175609fa37866635bae0370. 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/6CFWWhG4GlvMS4Ii4PnuBZ.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/6CFWWhG4GlvMS4Ii4PnuBZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59e273269108c490b93acb52e87b4d58e5420016b1ca6def121b2ce20c85b9a2. 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/1ziIVq5n4i55r9gvmuN18t.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/1ziIVq5n4i55r9gvmuN18t.