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 0x57e1b4fc4db1bc19888f294ba06dcaafbb1a5958f36ef8b4128798f1d2897ac2. 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/87b9de53-d947-4e37-8dfe-8d2e0e617648.json and https://artists.proofprofile.net/proofs/artist/87b9de53-d947-4e37-8dfe-8d2e0e617648.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 0xdc1e4dca3275c589534274f04daf60ae992f068b1339ab6125d6edcc3938a7b7. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/TRAVK1700046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e052e3114e00490797ba06c1a6641459331a679ff055232b282dde3b6583bab. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TRAVK1700049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2317290357853ccb15b885fefb0c4714dcdc8702a2d9bbd775254db549bdab45. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:26:17Z), 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/TRAVK1700050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x428d24bf9aad03d12bf7a05dda48b635b024c94dc21e8b90e7374cd9666c2e76. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/TRAVK1700054.
Le Ali Del Sogno (Colonne Sonore Originali)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7cad6743557c38f325acba6446c87e27924e97dfa4da1de3eb8b46618c16d6c. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TRAVK1700058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96540a0227409c87bc2e17e01635b84a00967eef389b51dc6526ab445fb27ec0. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:45:47Z), 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/TRAVK1700072.
Pájaro Senador (Bandas Sonoras Originales)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c481bc7d7511ba630be5be926c67f256f77b20fd3b2021852882844a607d486. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/TRAVK1700059.
Pájaro Senador Música Genérica Versión Lenta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c766269f6bc5fd25bab247bf2565907627ea2fc6e69f0d4ecf8d0676a1d4faa. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/TRAVK1700060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d769d3bdfd74d274a263b86b8d61aa729342f392f3f022a1ea50c72dd36d457. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/TRAVK1700061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e7952d302e50f732d4648823ae6493034f3664bcd470fcfaf2fa2c14d97c85. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/TRAVK1700063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb890007e729f7e6ef0a09a1ef3d25ababa5260080da67e383316cabcc94c638c. Chain 2 (Bitcoin): anchored in block 958535 (2026-07-18T09:42:49Z), 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/TRAVK1700064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3177f5a07c6233a6195c1b7861c36862d19546c7ff7cd52cda1ec42de8e3d8a. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/TRAVK1700066.
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Bizi Ayıran Çizgi (Orijinal Dizi Müzikleri)
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