thumb|right|Wagner Tiso Wagner Tiso Veiga (born 12 December 1945) is a musician, arranger, conductor, pianist and composer from Brazil. Born in Três Pontas, Tiso learned music theory with Paulo Moura
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 0xbb420c65da0b5001d4c04b4f8efbf777382ef95b8ebeb6d03d146586baa2fe12. 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/66d607c5-6a5d-4822-82ef-26fee8bc1b8a.json and https://artists.proofprofile.net/proofs/artist/66d607c5-6a5d-4822-82ef-26fee8bc1b8a.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 0x49fb420e2fa5e0e5c59f4bfcb35ad062d1789f40cb9cfecce1b2daa48f505425. 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/BREMI7800608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x985700fd20239815ba2db0933b4de3467cd6ce304288d92a4334a78862aff8d3. Chain 2 (Bitcoin): anchored in block 958889 (2026-07-20T13:24:39Z), 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/BREMI7800002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58d0851384a0f7a29ae503651d8c3d214d6805dc93c27e88f5cbd87f3be54d5e. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/BRUM70601215.
Various Composers: Debussy e Fauré Encontram Milton e Tiso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384aa74382009873b79192a7d4eebd8cbb754106416557e3d46901d7f3fba6a3. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/BRDUM0800020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5011fa6d6aed81c4344f84f68301e302fc78bc73f5d5f243e5d48ab37e84b055. 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/BRDUM0800024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d10be1607cca8880820b6e88bc9e72bdb92396feaf09ad7c9a2b8ace5c7ac8. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/BRDUM0800036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac06ba84d210464b03050443e66f3afea275d67546253959b36fded174a0639e. 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/BRDUM0800037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ee44c3ef9fca19a504b1c4175d9e924dc2889cfac3181bb956e178b131fc05. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/BRMUD1300048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9745f48d9c4eb4c49927fa1e227fe6cbbfd39bf9f57476f2576ebfd6de164b66. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BRPUI0100005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ffcf6c91b47854a9806c97edf4cee10a75ccef8323f339d48bc152e6b4040e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/BRPUI0200184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9984a91e2a34b0e74dcc66c1354a516dca919eba97b2174ba4d5b5cd7dad977d. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/BRROF0600020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x460c15d40da48c71463c9bcc3bbf0395aa8eba0696c4e79fae2be4278482e1a8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BRZAD0900032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1525ba5fd462cb833e1b31f1fc3984047a283f12dc578ff2963060431f9e4027. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BRZAD0900033.
Welcome To PEDRA BONITA - Instrumental Flights Over Brazil
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x985700fd20239815ba2db0933b4de3467cd6ce304288d92a4334a78862aff8d3. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/BREMI7800002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb7b2a73eb6f6bc1490aadfe2fc226ccd190689bf07419d77bef4f3f57295bc5. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/BRPUI0200044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfc4dd9d3920af3a83f0ccb29847b08df1dde4074bf482ae47ed4b7cb1c10e32. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/BRPUI0200030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe51d947c4289849e581a5ebc2799702c0515ec8a140cf35ceb214bc3dee8df53. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BRPUI0200033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba871416a5297eb18b725624b648bd89f096736602b37e6e4145fdbc7536e311. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BRPUI0200034.