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 0x459950b28dfb2f59bf42a34760c8f845059949d59470b25c0f1bab5da091f652. 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/cb956635-a723-4aa7-9c5d-bef7062c9da6.json and https://artists.proofprofile.net/proofs/artist/cb956635-a723-4aa7-9c5d-bef7062c9da6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Na put voina vstayu (iz khudozhestvennogo filma "Mulan")
Na put voina vstayu - iz khudozhestvennogo filma "Mulan"
Now or Never (acoustic) - Spotify Singles
RUSSIAN WOMAN - Eurovision 2021 - Russia / Karaoke Version
Eurovision Song Contest Rotterdam 2021 (Karaoke Version)
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 0x80ae267e932ca4361f838079e5a05649f29acb51ad34d96884035977e0d9dea5. 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/02Z3lgPiK4iAM6oa3o5J79.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/02Z3lgPiK4iAM6oa3o5J79.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x133fa5a75185bdd52e8d7b0b8bc08e1880cb59c21044bda72b506553b93d30cb. 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/3s2l3BJyoXYHtkFSbPVVP3.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/3s2l3BJyoXYHtkFSbPVVP3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc16608f32e6f0c867b3f0b28257218dcbd4a09f9fb35313b4550e52a342e05d. 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/7v7u6vduUywDjnZ6FJTamV.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/7v7u6vduUywDjnZ6FJTamV.