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 0x6b01ba2cf7af1fa5c9e19dc1351633c4396c771c7f0a981bb881629c7b0d78a0. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a3e188b-6c9f-4b6d-b703-2f8e7769c226.json and https://artists.proofprofile.net/proofs/artist/1a3e188b-6c9f-4b6d-b703-2f8e7769c226.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bebekler Için Ninniler Ile Müzik Kutusu: En Güzel Türk Ve Klasik Ninniler
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 0xcc0fcacbb3136d69f0bb570985db2bb4d0e0a08a76819fccaa323babf7c1809a. 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/NL1TL1900760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bcf747c049a2c573b67662481668fccc30502d873b044fd1949bf00a8b36637. 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/NL1TL1900305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe19c0eb988536f42b44b5742495d958444afcec484bf4f56cda2abe13257a8b. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/NL1TL1900762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0199c5656ad95bd2e69e28e9bac54fbb10e00986a36057f2b575e2ca924598c2. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/NL1TL1900763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61c6aacf28f1b4910f13fdb5d26c405defd3786154b61c780366111d9e7ac9c9. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/NL1TL1900765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7f237292e31718f135ec37c94f6e5c54affb4ddbe8fe6edf2f5bc6db0e816a5. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/NL1TL1900768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9203c735c68f6f2a33bb7adee798f487fbfca5b7d17f4a6786338e6d1ae7c57. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/NL1TL1900772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67d9e6ba4911a1107106871556c04cb386bcc7c5b4aeb1a0ae39640bc8711547. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/NL1TL1900204.
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