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 0xae716b0c5b06660d7002e48546781143e7309628a6834093c4585dfbc805670c. 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/21fa63df-926b-414d-bf90-566c814ff234.json and https://artists.proofprofile.net/proofs/artist/21fa63df-926b-414d-bf90-566c814ff234.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 0x044a75c69189fc9655c605210ba587ca1bd7871acbc3c87d4d6c9fa233f35fa4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ESUM72302371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e2f181fd63a6abc2d939e7add3b068739e1794048414d06a623faaaed238402. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ES5022201606.
Qué Le Voy a Hacer (feat. Adso Alejandro) [Remix]
Qué Le Voy a Hacer (feat. Adso Alejandro) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb93cf5bd6bf2248ff5533135e09ebd10e492d529aacb02649eebd9380f692c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ES5022100970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a5c0c828464abe51b5b17a803641e4a1b594eee1f5ee4f51be9c06fbe91ade. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ESUM72302659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c2f931cc799556456d438dc4f9888a59d4bfc5d3ab4dda6c541707f435b9bcf. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USRC12200297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9baf744bda30c5a08466a20f3e3b87e0ddea1a8cccf8df6aeaca02d9981de444. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USSD12200185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa25810cdb34d749f3ef9af7cc6c932ebab1a2b2126596692ef8027d0caf135d8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ES5022400381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef1b36ca1ff951c7232db253f190755ddbbf1107a15d0b87241b1221c4f2db1a. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ES5152400127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8c858c042f9b3aa2fcb65d7be843e6e3b63716aec19e27b6457671cbae3de58. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ES5022200109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55aeca94eab6eb5138ca0087af0399d427377d190e05b88bf4c97306ae35ab70. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ES5702201262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0faa5595ba75806813c59cdf99ebe8b1e8bf36916f06086d5f1a1979d8b5c714. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBLPF0244410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e3d46af1105a6f0203aeca15cfb766e773c007a6bfc000c08ef98a77e6d66ab. 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/QM4TW2392452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081a522e0e71c5ebba6b5cc0d1817b0a32e431b14c7da70acd60bff5ae2b878c. 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/ES5022301880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28d58a57d52e09feb34973b58c53db5761db8ab89730c1babc2a2a380cdab9de. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ESUM72402028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb52547222c1ffedaf9ebc8c12c5f8cfcd14bd57d387f5e3e10335e02878908b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FR10S2535130.