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 0xbe3ce625ff757cc651750a66c05cad8166a9439013bc1c3244ebdc008a0bd1de. Chain 2 (Bitcoin): anchored in block 953694 (2026-06-14T21:38:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6fb84e21-cd06-428c-a9fd-8b6a37d1b6eb.json and https://artists.proofprofile.net/proofs/artist/6fb84e21-cd06-428c-a9fd-8b6a37d1b6eb.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 0xf350d3d0790d462201ffa77065c99743946970b5b5640ae5a932b3395e67f028. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZNJX2100011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb84e06c39442c1b46b126320abd4e749c3a6dbae31c14f0257b5cbdcafe8e700. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZNJX2100012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeea4c8ae18ffadc076cf67eb98a1d5993f972e5a3f4b2fed3f114a3aa38efa6. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/QZNJX2100014.
Oberturas Épicas (Selección de Obras Heroicas)
La Magia del Romanticismo, Grandes Obras del Periodo Romántico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41425ff80af83cf09d19c4cef6f6d2778d29ab1a065640062b5b7bd77db9ae40. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/QZNJX2163426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f3238dd79961ff591b3612602ee302eba567ea46d1a71431d8fd9777a830632. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/QZNJX2187294.
Piazzolla (La Muerte Del Ángel, La Resurrección Del Ángel)
Cello And Piano Sonata Bi Misiavsky To Study
Los Colores de la Música - Renacimiento, Selección de Danzas
Los Colores de la Música - Renacimiento, Selección de Danzas, Vol. 2
Los Colores de la Música - Concierto para Piano N23, Mozart
Los Colores de la Música - Concierto para Violín N3 K 216, Mozart
Los Colores de la Música - Grandes Sinfonías de la Historia, Mozart, Vol.2
Los Colores de la Música - Grandes Sinfonías de la Historia, Mozart
The Colors Of Music- The Sleeping Beauty, Tchaikovsky
The Colors Of Music - Piano Concerto, Mozart
The Colors Of Music - Parisian Quartets, Telemann Vol.2
Italian Baroque - Great Flute Music from Italian Baroque Works by Vivaldi, Scarlatti, Cesere and Romano
Marche Slave, Overture 1812 - Tchaikovsky
Works Of Leopold Mozart And J.S. Bach - Ave Maria
Classical Violin Chopin/ Brahms/ Tchaikovsky