1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xf9827790074d3919521d9cbc1705498c598aa78c1311bb31e4ed0eb81f1c91db. 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/ee97f7e3-aad1-416b-aee9-0de417594f34.json and https://artists.proofprofile.net/proofs/artist/ee97f7e3-aad1-416b-aee9-0de417594f34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2b393cccf0f4250f6f641e846586500542cdea861b9eeca808f5824512c113. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T09:10:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TR2610600254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8c400d387e9c7ede78bb0fa864f521f82c4c5a1000904ef4cd0dd64f80ca64b. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T19:50:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TR2610600086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3ea3faa67502d62a1db2d5497f5e6e954ea132f6da1cd63168c96788dcd391. Chain 2 (Bitcoin): anchored in block 958703 (2026-07-19T08:36:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TR2610600088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4214decb9ee025188e5cb5562e4da61f5c7a9fa1a3a27df0008597203feb8013. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:55:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TR2612002362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa87ffdce1221e48139388842138a040cc14fd51922db8bc6b53250a16739da68. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TR0532516027.
Duygularım (Atasoy'dan Koyutürk Tangoları)
Neşeli Tango (Atasoy'dan Koyutürk Tangoları)
Özlediğim (Atasoy'dan Koyutürk Tangoları)
Dinle Sevgili (Atasoy'dan Koyutürk Tangoları)
Geleceğim (Atasoy'dan Koyutürk Tangoları)
Rüzgar Gibi Geçti (Atasoy'dan Koyutürk Tangoları)
Bir Kadın Bir Erkek (Atasoy'dan Koyutürk Tangoları)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74b4049092c4ed1e17a1c34b5c1a8e76710592bf25199df55fd48e421f12a392. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TR0490600244.