1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x0b2d54342faa8740b2f1e1af81ace32daef63306d72875862af3b2ad1c848149. 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/94d5829f-8d63-4836-91e1-a924edd22301.json and https://artists.proofprofile.net/proofs/artist/94d5829f-8d63-4836-91e1-a924edd22301.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 → block OTSBitcoinBlock must exist at that height 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 0xbf00248cb8964a31308aaf577a0db461774fe4d92b515089f3a4ba58fe495466. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/BRS6Z0900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50462a0405f590af9d6dc6d96a9998d73250e5c3c32ae0ea7a42bffd6d09fd15. Chain 2 (Bitcoin): anchored in block 957620 (2026-07-11T22:32:56Z), 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/BRS6Z0900011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4f8c6f235fad78742265455fc0a0020e35f0954b07c59501bfa19da7a4192c7. Chain 2 (Bitcoin): anchored in block 957620 (2026-07-11T22:32:56Z), 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/BRS6Z1600043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4958428ea5dd8449bb67094d8064f079a528ace58445b85ffa38a386d961d669. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/BRS6Z1600046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957807476f421b7925a5bb681cd9c1930582bad2c41f00cc862c38b456dd8f55. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T17:55:25Z), 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/BRS6Z1600047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x841c62369abd0380a9965a42afd7c63ceb3e17da8cd9166ca75c6a4a34453e98. Chain 2 (Bitcoin): anchored in block 957810 (2026-07-13T05:55:46Z), 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/BRS6Z1600048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x759433602713b386a43880d518e5b8227b6204dea498b6f23ccb320ca185f312. 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/BRS6Z1600051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a716005c95d1a69bc2503c100442280389b3a7c08d7dca7ea4f9a285cd20592. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/BRS6Z1800022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8516649e6e32a03b61d40bbcc5b28f6799553f957cb628d456aa32ccefa3e8. Chain 2 (Bitcoin): anchored in block 957608 (2026-07-11T21:00:50Z), 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/BRS6Z1700089.
Terceira Margem do Rio (Sony Music Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x275d4e1fc19502c011d61074a0b5699fcd849163be135324c62bd013a92232a4. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/BRS6Z2100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90135c95bf2c08ae5ff14cba8c2bcf29ef755606015d8939b9114766951f496d. Chain 2 (Bitcoin): anchored in block 957608 (2026-07-11T21:00:50Z), 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/BRS6Z2100021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x785f8e3319faa4644404908545e4bd3720d9dbd52bb5587f37b4e95ddd0adddb. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/BRS6Z2100020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fbe8fca6b444f816f41bf8bd076561ed27fe2ddef0ffd4730f6f9b65ad32135. 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/BRS6Z2200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x284376e149aeb94c5eec877f26c095815e24eb115bef18d7215cd28a34683482. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/BRS6Z2200001.