Taiguara Chalar da Silva (9 October 1945 in Montevideo – 14 February 1996 in São Paulo), whose stage name was Taiguara, was a Brazilian singer and songwriter. Taiguara was one of the most censored Br
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8467705cc4792310d6831f971cf3850481518de4548a631de77f2b547d6a4604. 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/7e5125a2-e91e-4370-a696-168e94f92ecc.json and https://artists.proofprofile.net/proofs/artist/7e5125a2-e91e-4370-a696-168e94f92ecc.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb58182381c4ceddc6d78fc2809567ed9e205afd3935a7c02352bb7edd73bf11d. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/BREMI6900009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46526c4c5daad59deb5c4e78037d108d218cde6e3d2e95418b75013bca7eeedd. 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/BREMI6900092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ea6cb26839f79d6c9e50b467337188864f4b37514563cc4035434291f17533c. 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/BREMI7000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5cc82c2d45b17ebfd9b20113b440f0e868889c0da4993eca037700a1bc27c53. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/BREMI7300772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x686dea99bf9623f0259ffb280b9f07e1495aeaf048d3ad247d4f5163e007cc2e. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/BREMI7300774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ce4d7f249402b743e1da9352675cd9c5531889252649f75f86d61dbcf2b7fae. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T21:36:30Z), 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/BREMI7300779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07e01ddaaaa376df3cfcf0a5035d54f0da0009cfe1d85230a05c8239cf328532. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/BREMI7300781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0334fd5d013274557cc18ea7f7108e283b1a7ddd5a405adcda3c9785f839b396. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/BREMI7300783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x325ab1d2e3b68690446ad3d4d751bd5edad4290b050d11a7931fb812a4b02cb1. 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/BRMVP0501879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cdee2bc444d6028837a9d13c6381507ab6cbab06ce511f91484ad6103a454a6. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/BREMI7000005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x785a58d3f40c89582af52602af985c6dd23384c6a392348ee2fbe6e34671460f. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:38:33Z), 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/BREMI7000102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1003da2d0cfb524fe7da44acfbfecaaf6d590c5a4b60f456cc3b4793fb9f05c7. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/BREMI7100154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x742984a8eac655be354b478736def53f16fb8db54c26263c78ee6f67b392307a. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/BREMI7100013.
Ele Vive - Grandes Sucessos Ao Vivo - EP
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb43d1407f010a3195da2cb375d01d906d5133250957d4afdd028c71306ba5b84. 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/BRKUA1900139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55a8938e9992056364ead2ef7b9a74177df04f11ad026e4eaa7956190acdc58. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/BRWMB9705359.