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 0x080dea2af3464c92ae392906cfaa42cf0e30d525105f3f521a2d23878e472708. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7953cabe-2b59-4c15-a330-f71a27cb2243.json and https://artists.proofprofile.net/proofs/artist/7953cabe-2b59-4c15-a330-f71a27cb2243.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 0x637cc9252f79bf764c6d994197e2b2502ebac9acb1a61e7ce93d3c1c75fa4aa1. 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/BRRGE1912092.
Pot-Pourri: Sinônimos / Pense Em Mim / É o Amor - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624ed8d02ed6acf40080c145fd7264615d4d0d7e8745c0a4df426a9a422ac7d2. 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/BRRGE1912116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab52c86c6a6e7f169fe863b2b45b8c0630454ef798b5862fba80d84cf28fba7b. 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/BRRGE1912117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7c32e80f1b0ed2630838669cb2aaf4cbeab1bc1b37112c03b726490d3b3ba9c. 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/BRRGE1912118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4252a2b77f57d54ae9d4b56afc1dff0068908eb24a644bf2643afd2d436a1b8f. 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/BRRGE1912119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x640ffcfd9b0d026e6fcce25a801b48354cd5508d8810f13fbaa608f638e338d8. 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/BRRGE1912120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e72bfdf8dc0fd7a8e0ae24962b0c286b95e611a405532e5f7056bc3a13872a4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BRRGE1912121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af6150fb65f85e108fb985739e1e233c435c848ff72e085d1acec556ded5918. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BRRGE1912122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65df8a15e6f3429337124131f315643d5765547af6431cb753f9a926bfd3e07e. 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/BRRGE1912123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b1b18659317b30ad72130acb89949e8d37827bdcd3ed47799500902c9ac3d43. 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/BRRGE1912124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2342bb8f61b07cf18bfec1f2320df978bab78876228c38dd37c8a8d966d559. 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/BRRGE1912125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf307c5df323afec7421bf9b065b4adf4327effa0afd1ee2f0bf36ac69798e3c2. 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/BRRGE1912126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa886c2ab406b7e7e99a9219e6cb65f1079a778be1b9d7bd01367a60d5fe571f9. 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/BRRGE1912127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a1df13441a557ca6deebbd926e97fc4c0dae2a5f253c93aafa9e97d9f51e109. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BRRGE1912128.
Pot-Pourri: Toma Juízo / Preciso Ser Amado - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62bf2c9087cea4ae089c88ad7eb05ac5d8213ecc5f5a3dabb846d44c0dd3669. 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/BRRGE1912129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44304740a36ddaac78982965809fe40c6a3f45f6fe2b14b10823e5498375cdd8. 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/BRRGE1912130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x005f80b7735cc08be3609e0243ecc1c4b8ea2b0d14971d4d30f1731eb32b9dcf. 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/BRRGE1912131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c9839d573d682211ed4b3c83dd3b464be943f1813121511d5ea49314aa1cb6. 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/BRRGE1912132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe59e990d22a40d79ee5983c5a2b269336f1ab78abcdcedf4f1c6dc7064782394. 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/BRRGE1912133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5b2b655a3e5b82c82ea6f81886cfe7c44629ad2f5a43761e4f861d776d488c6. 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/BRRGE1912134.