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 0x6ce415d42d10d319dc707eae55531dee36852b0af75715424f015a49f1d3a6ef. 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/2e28d2c2-7013-46f4-b38a-2f7fa9f13ba9.json and https://artists.proofprofile.net/proofs/artist/2e28d2c2-7013-46f4-b38a-2f7fa9f13ba9.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 0x8f9f7eaf769c8c96a61b8fbd58397320052f9c483f0914e3ee4884ad6254d56c. 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/US3DF2259830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0923b68066c8a45b0149e3111c1c1ba4b49f36bd42b584e30a6032add3cf20b. Chain 2 (Bitcoin): anchored in block 957599 (2026-07-11T19:42:17Z), 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/US3DF2262152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7502441892af0dd61933c47689a52331e95d80154d49bb8511a10e53a7b0924. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/US3DF2262155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x389a59c14348d3f40928903f51f444576c860be26c9428ed0ffd59c2cdae1b79. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/BRFAM1900663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c18efc91244d1d7ee45c5b1a6ee74b6687ff33f5e2d18f02ab31824ef105f47. 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/BROXM2000178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b31c1ae4981cd0f162bfd0d16497e1a9e52ddb971219795465eac84fcd0c94c. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZGLM2541138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50cdf4cbd480e40fdc320b5fef61d0e49f200e48d99e6d7afd1087525dcbc42. 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/QZGLM2541139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1385f64735585d623776aa7de2997c9717979efae9292706c5f140b4a2bcb19. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:01:19Z), 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/QZGLM2541142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aadd9f17f44d4914a453c3007676b46ab16293c0705ba09a68a2fb4f86f7e9b. 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/QZGLM2541147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26039a0743b93a866a4df560b729570e47b06cb4d61b2e0ba2342a0f09a1999f. 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/QZGLM2541150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7424ed359468833eb4e7e7b68c49c38a366ba6a4a3e4ac6c02e99b6f60f3cff. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/BROXM2000161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70277145f845b8055b88cdf8f69fb13d5cee9ee29d1a453ae075b9cd03fe78fd. 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/BROXM2000167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c14980b6ac8fd9e91548d739e5c40f56799f3fdce4dd10a6b57e99354bf72d5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/BROXM2000175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89a02efa1ad4461d56b80ff593bd7039270acf25cee7742277c2d8d58f8e6ae9. 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/QZEQU1924129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd328f9a5056b35c766de77133b50be0fc4bac8028a9e1df3ea9d373eccb602b9. Chain 2 (Bitcoin): anchored in block 957595 (2026-07-11T18:26:17Z), 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/QZEQU1924160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefee264b6cd0b2ae0e9494910bf251a9e4441c737b88cfd6d3012d68485b30b4. 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/QZEQU1924122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59a7cc31d6311fc83d7f19b04a29a0d1e08a6c6c518dabf556b9f2794ab7afb3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZEQU1924164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7719dc5a93e508c87cd4ca0b4d4ecd76058722ccd53810a6cff8b1408e33c91. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/US3DF2262120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbaefe91775c3e8d6fc457bac6a60ce4ac98989f70ad6d13d9a9dc1024bd06c5. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/US3DF2262125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae5edeb4098af69d179ea22bcb6009041cd0c1b79ad0c7a25e6c1541d626ffb. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:22:39Z), 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/QM3DF2113782.
Aki tem História / 28 Anos Não São 28 Dias
Aki Tem História / 28 Anos Não São 28 Dias
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb293318650624f4a74c91923eea0dfa01c345227c300f174d4892363edce0cb1. 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/QMANG2456963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabed377c9839206d81f4a1785a5a44929b61d96b40635dff5a8a24bac1cd6be7. Chain 2 (Bitcoin): anchored in block 957599 (2026-07-11T19:42:17Z), 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/QZW9M2411040.