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 0xe3c2cf62e18575199a83b1b2def139f8f0b58ac11ee18e88731df148ae3582e6. 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/315c4e48-6f18-4c79-9144-70382f3b2952.json and https://artists.proofprofile.net/proofs/artist/315c4e48-6f18-4c79-9144-70382f3b2952.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 0xcc84dd2d38624d3fa32c4c78aba02d30f6ebf2f2a904415925b781ef0d1171bf. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZTVM2125620.
Os Fantasmas (No Meu Copo de Refrigerante)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fcfe2de5501535fcbe544a3e609a395a6984ef2d81c2c9a9633b7737d4099fd. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZNJX2265266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f7c2a112054de2cee1ae78f48af08263eae704668dfe6b1e9d799644904697. Chain 2 (Bitcoin): anchored in block 958695 (2026-07-19T07:37:00Z), 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/QZNJX2265267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe721c2afc6d5d5f2b58bd864f40a150f0f5bc653013066159e3842aa2e462cf3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/SE6XX2372927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cb9d47c17f45d02a4e044f0f018a8f4d0de362204c0519e329fab270bdff949. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/SE6XW2314693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8b5b644006a1577d8b1f4c351cbbb4a468d01b0b001d831164ee69d7a09c6a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GBLFP2452431.
Ato II: a espetacular fuga de onde você sempre esteve
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a0c200d109d01eeb56e6eead5c2a28d4b69ed877b62f8c5c9c2f3e3ae2b4a1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BKXLU2400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264ad814bac592b918d451118a30864936e2114662128345980348f82ba925be. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BKXLU2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe721c2afc6d5d5f2b58bd864f40a150f0f5bc653013066159e3842aa2e462cf3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/SE6XX2372927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8b5b644006a1577d8b1f4c351cbbb4a468d01b0b001d831164ee69d7a09c6a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBLFP2452431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cb9d47c17f45d02a4e044f0f018a8f4d0de362204c0519e329fab270bdff949. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/SE6XW2314693.
mansão foster para seus amigos imaginários
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cfab2f66af12c5abfce1b82d847a3fd448350eac2e7a3aa68a2ec11a0368d9c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BKXLU2400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f9343aaeb1e51e9b7ec50f75885df93ac0833a5f418bd0f90f9a5bb01de37db. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BKXLU2400009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ae84bf30e1867b8dd9026285267238a47c3d110ea52006d2ac4a6e3eecf0037. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BKXLU2400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0b2123ff288cac4cf57f456237646d2addda331d2984d88b19ce5be426a6d5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BKXLU2400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e08d230d490aa7ea90633c45e3b6647331a10f7bfba576a11b51f67be12b5c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BKXLU2400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee1eacdfbe11d390435791d33105578a48838f4221bff682f96d878901a2727. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BKXLU2400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701e5cc9029d696b98875f4db4d9c1938d812b29da8e370a7dff30579d633cf6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/BK3V02400003.