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 0x4ca624daf7756a62e9707797c4a9a9291bb1131ec12c71e1ef5d987104ef4a37. 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/94befdc9-518c-452a-b7d9-8c2294d6d210.json and https://artists.proofprofile.net/proofs/artist/94befdc9-518c-452a-b7d9-8c2294d6d210.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 0xd71f1822e769b19a993ce1668f75a906f49e677edd1868295ed7b26f2efc63ed. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZHZ51973133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a16b0732941c9083532583a7aed164a643a3ce2275e99b936fcb311feb0e473. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZHZ51961322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f083a38bb59d2e739245f2f133fea063427aff038b1cfb30ed14fbc3546cbac. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/QZHZ62064928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d11ccc1110d9a8c27e8921140a55f0c6dcfc99cba0b93bb8b3ceb24d9d9d1f. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/QZMZ92054106.
Alo Michael - rico rico rico rico (EDM Remix)
Alo Michael - rico rico rico rico - EDM Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eb4682ccfd20769505742da9199759d1d8f1145ab6561111b9a9a41b0112dd0. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T19:27:18Z), 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/NLRD52021215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x859b54fff8369c996b51790e681d372473a8ca42d525fe1aee8952013e75462a. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/UKXN22435667.
Exótico Pa'l Mundo (feat. Leysong, Buay Press & Luis Eduardo Acústico)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8467fe4cdbe55171240d80c31f36209cd8707bfc39bf42ad1efb9ad71f8a9c. 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/QZDYA1800125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc46957b9f8e5851443c7b98034aabdab9b153b9457fb71a1acc389931e0ae8e3. 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/QZDYA1800121.
La Luz (feat. Los Dioses del Ritmo & Alexis Play) - RMX
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1b3e36e23138f15c67d3cc3549049834dd904fc660eb2bba19bbe55a2249b37. 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/QZDYA1800294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29224eb5556abad118969000f7ed1efb04b2a7d817fc3379af350c88ce245a9. 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/GX3Q92098403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f38693e54558c8aed257c24a3ccf49a01c517fd1dcfe6d4339d0d729ff57f2b. 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/QZNJZ2282720.