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 0x1a5d107cbc3b1a2fb9a0b60b39df3847d5cd35bb35a78fa5c706a5e73ad78e96. 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/baa39c3c-189a-479b-9487-2f08983233bc.json and https://artists.proofprofile.net/proofs/artist/baa39c3c-189a-479b-9487-2f08983233bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Like It Like That - Salt & Pepper Remix by Bobby Marin
I Like It Like That (Salt & Pepper Remix By Bobby Marin)
I Like It Like That - Salt & Pepper Remix By Bobby Marin
Cuando Vuelva a Tu Lado (What a Difference a Day Made)
Borinquen (El Cuini Tiene Bandera) - Remastered 2025
Funk Fever Vol.2: The Best Of Funk, Soul And Tropical Rare Groove
{"copyright_id":"0xe00d4bd04b8f896f5a3e6772558fb5bc6a3fc6bff58fa9b0734505584e63ff91","isrc":"USDBB0600184","name":"I Like It Like That","registered_at":"2026-06-23T00:13:06Z","spotify_id":"1fkgD5jdh4AKeKryKwoprp","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 0xe00d4bd04b8f896f5a3e6772558fb5bc6a3fc6bff58fa9b0734505584e63ff91. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1fkgD5jdh4AKeKryKwoprp.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/1fkgD5jdh4AKeKryKwoprp.
eurosummer: a mediterranean summer holiday
The House That Al Built: The Alegre Records Story 1957 - 1973
{"copyright_id":"0xe00d4bd04b8f896f5a3e6772558fb5bc6a3fc6bff58fa9b0734505584e63ff91","isrc":"USDBB0600184","name":"I Like It Like That","registered_at":"2026-06-23T00:13:06Z","spotify_id":"4wwIeM48YzAKtCTm3osrDC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe00d4bd04b8f896f5a3e6772558fb5bc6a3fc6bff58fa9b0734505584e63ff91. 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/4wwIeM48YzAKtCTm3osrDC.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/4wwIeM48YzAKtCTm3osrDC.
{"copyright_id":"0xe00d4bd04b8f896f5a3e6772558fb5bc6a3fc6bff58fa9b0734505584e63ff91","isrc":"USDBB0600184","name":"I Like It Like That","registered_at":"2026-06-23T00:13:06Z","spotify_id":"1yVibO7ClPAxJiQLf2sjGR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe00d4bd04b8f896f5a3e6772558fb5bc6a3fc6bff58fa9b0734505584e63ff91. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1yVibO7ClPAxJiQLf2sjGR.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/1yVibO7ClPAxJiQLf2sjGR.
Playa Chica Tarifa Vol. 2 (Latin, Combo, Boogaloo)
{"copyright_id":"0x8e844fc44e8ab70001c9c1d14046957dabf36c8a347ff72489ef126c69baff22","isrc":"ES36B1730105","name":"I Like It Like That","registered_at":"2026-06-10T18:25:55Z","spotify_id":"6q2JXEKqNioaxxZ6zxzCAg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e844fc44e8ab70001c9c1d14046957dabf36c8a347ff72489ef126c69baff22. 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/6q2JXEKqNioaxxZ6zxzCAg.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/6q2JXEKqNioaxxZ6zxzCAg.