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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc91bd9931e68cbd306ee3415b2062d15a9449ec673b2001eb6387e26b4058b00. 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/6c55e408-b7a1-4f16-b000-9d8562cafc47.json and https://artists.proofprofile.net/proofs/artist/6c55e408-b7a1-4f16-b000-9d8562cafc47.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a05071ea00811f453f95e6fe4928b8db52570b65eaf08ddc265825454de1daa. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/ARF061500687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb920a28878b3dc562510b75213dcc9e5657a16112e435d3fef897a2e58b2ec46. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ARF061500688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09a7997ee9567021ad36e414262a0245edea5f4613d0a2a4de75dd87444b1127. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), 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/ARF061500690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ae65d65aa244fe0317e26584a17c6dd83530eb65be6cfceca632a1f6264fedf. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ARF060603372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2be7e50cdeb46f747e9f0ec254c53f3ea1c92f5d9c293506d11ad0ffd1e90968. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/ARF061500691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1c9e343dbfa72b2e788c6ffb3d5ad11ecde48509cc2ac82c24e5a45037028bc. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/ARF061500692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72b3b14675cb50b4948487ca2e1728f0240f1bd1da0dcda4a942c83a35b572cb. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/ARF061500694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a0e841d1d304f9fec7c239b83f4413dff2b5dcacb87900051fef34999a888f1. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ARF061500695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f706512386f46dfc2ae01c3e8c95cd8e084933c62baa9060c1d7bb9aca42bd6. 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/ARF061500696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5004fd80306f75a810ca5de4d1571b48aae630b551795e3a463bf114b3a8823c. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/USANG2121225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5ba66d3eb2797cdbe3ea7a8fdb08353d10588d95924b11b53f836442cc2425. 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/ARG102420555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7eef26a3292e8ed8359a6a8124a040be11f699f1c9a0f2d5fecceaddb0fad3. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/AR5UH2402099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8105f6c71464022e5fb2a43b9f0c3e1c95e0c4f819ac6f5141dead27eade54a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QM2PV1779372.
Superbailables de Siempre (Mixed by DJ Red)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e9ba439b22eda0c7c0229c06418d460a9ae05ed488778a84fc6e75925f6e35. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ARF060902020.
Cumbia Classic Mix: No Me Arrepiento De Este Amor / Amores Como El Nuestro / Yo Me Estoy Enamorando / Dulce Dueña / Quédate Aquí
Fiesta, Fiesta 2019 ¡Cumbia De La Buena!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ab62487db7673a920e1dc15f5e57853595cee7513ddce8e8b2e1bd2d03c7c7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ARF061800307.