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 0xe21d798605de79090eb7b5732a81308bfc57d2449bdb80bf318cd661e2dd7b02. 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/0e80515b-9956-45b7-91f0-b2dfee326b45.json and https://artists.proofprofile.net/proofs/artist/0e80515b-9956-45b7-91f0-b2dfee326b45.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 0xb8c7ac5258dd9b60b80251153a89e4e63b308816ca0b0bba5ea115f9dece63d7. 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/6gbNqlY5qRvmi5aCozV7L4.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/6gbNqlY5qRvmi5aCozV7L4.
{"copyright_id":"0x677be671d12ab5512df70d6428298d62f9eadf004e5db2bdc1f38ced9f2ccda3","isrc":"USWB11601475","name":"You Won't Do","registered_at":"2026-06-28T21:26:53Z","spotify_id":"4roHl7eAKrZi8bQ7m3Mmt5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x677be671d12ab5512df70d6428298d62f9eadf004e5db2bdc1f38ced9f2ccda3. 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/4roHl7eAKrZi8bQ7m3Mmt5.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/4roHl7eAKrZi8bQ7m3Mmt5.
A Living Human Girl - Live In Los Angeles, CA 2017
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa28ba259b7b0db103bd2bbb5a7d68d60c683b3c16f390b4926d2b67f5e2c2d3b. 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/5RPDNu65YWL4eezT8LV62h.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/5RPDNu65YWL4eezT8LV62h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x250f1e3a6686345d2ce5a5ba66f4a03b00536423e99519095082798890705976. 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/3e3d7FRtLL43hvnqUeJAwq.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/3e3d7FRtLL43hvnqUeJAwq.
Barely On My Mind (Live from Shaky Knees)
Barely On My Mind - Live from Shaky Knees
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x065bfcb910599b11d4b05b0a3401696e6df19ae44e1d8fffde4bd75ef366fe2d. 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/6MjU1ApbV3ulFQEvuWfTCk.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/6MjU1ApbV3ulFQEvuWfTCk.
Something Magic (From the Roku Original Series The Spiderwick Chronicles)
Indie Alternative Now: Summer 2023 Edition