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 0xc247c1fd200f0e48e266830f4310a1dc63cb704c798a3649419ffe4e0d5ca4e8. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/097fcb5d-4226-47bf-9b0e-893ed74d3b41.json and https://artists.proofprofile.net/proofs/artist/097fcb5d-4226-47bf-9b0e-893ed74d3b41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Real Cuban Music - 100 Essential Greatest Hits (Remasterizado)
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 0x45e9ab07d12944d20a738f41af68f5d51c2f7fa5a8b4a8096f5ae7eb99f582da. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/US78T0506882.
50 Hits de la Vieja Radio Cubana Vol. 10
Colección Cubanísima (Vol. 1 - Grandes Orquestas)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc23991f3a36687296471bfb903b04c983fd96fc7f38136b35ea34d00970e801. 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/QM4TW1563975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b9099ede53a6d82171ab00e4fa849d2592eaa873ce3244b900612b99912645. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QM4TW1563976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8938b70af7c891eaa04afaf197bfcd56f2b060625a87411955ccbc5f02390606. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/QM4TW1563977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3ef3bfaf656c38fca7eac5bd07a1d8ddd9578875d176658d5d8b2dd4f07cf36. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM4TW1563986.
The Real Cuban Music - Mojito Sessions (Remasterizado)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62246924db213b9f00e2b6a4c3e9c3b4484cb067feb7a39682d61186ca22bf31. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USR011010511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e588818292210b227a40b64bbe6290074c606a1e400ee8cd36a3b129922ca18. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USR011010512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee1d09213f11ad4c63fba29300336e18b609e592632d7418b21717d535509ebf. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USR011010513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9755799d8692fe42e3d8ede0b20f99762aee0123e88075e7c25a05a7f3bda4. 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/USR011010514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61ddd05509b2507ed236835f4f5f94a31e9da7e714ad8853ee49e6f1b830d7d8. 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/USR011010515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa79ac8a3df46fc4d2856f65aaa03e542e9bf4628a15a4bf5aec785f4ff1953f3. 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/USR011010517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d2d21e762db561ccbeacabb05672fcb844ceb56048d73f51fe594b672713751. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USR011010519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x191544eb58ba4aef5e317baf03ea8107721394bd58749a7427944f773e60a237. 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/USR011010520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41392a8131b5c3773a54895d73d4fa5a16bd4a05c3eff95c5db3b2dfcc9623e3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USR011010521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3fa91fd7537649d83cb27171aa3a44aef72503a5224ae67a1807c52b553ba38. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USR011010523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc200419749c969878d158c66e65610a5e148a8de46abc3322b418257e955156a. 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/USR011010526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9717c27be0b3564fd18f3221fd39026c1a54937b18b542426a788d3f35c46e3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USR011010528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x989a1e72b5331f6ba463adbc1e4f0fdb62dc2863f9c345637475ac7ddd806b9d. 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/USR011010529.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a0f1d8e037a5daab5781c1e9312e8d5c14ac3ec6a7556d9def03633794f7dcb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM6MZ1455720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40da884250b8aafa41c22c3d64124a66cdeb1c2465a05f449fb8c92b76f8150c. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:08:58Z), 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/QM6MZ1455721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7392f26dc81dc7430eb0ae5a886a31518e8337e52008823886f73a5600464db. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM6MZ1455725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb902ac192e2a921ad8843f91741225aa23139e8116881c207ec92f8dfb0955ad. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:52:48Z), 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/QM6MZ1455727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b58356255a839ce0cec513eb382714c036eaa05f326a1c101d64e4f0f38903d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/US78T0504871.
Colección Cubanísima: Grandes Orquestas Cubanas, Vol. 1
100 Clásicas Cubanas (1900-2000), Vol. 3
Best Of Caliente, Vol. 1 - Los Más Tórridos Ritmos Latinos
A.B.C. du voyage, l'intégrale (Mono Version)
A.B.C. du voyage: "Escale à Cuba" (Mono Version)