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 0x0088b9ac58ccfac35790fd9de727271f7042f4a3fec1a16dc1c2cd687be475e4. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99ca8b9f-dbd0-425e-99e1-36fcb4dfae4f.json and https://artists.proofprofile.net/proofs/artist/99ca8b9f-dbd0-425e-99e1-36fcb4dfae4f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Use Somebody (Remix) [feat. Diego Val & Mr Vla]
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 0x258a86faca9cef9f9450474ca76c0fba019119dfb325a238a8fbfa71f6c3f271. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:46:48Z), 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/TCADQ1882512.
Modo Avión 2 (feat. Legarda, Diego Val, Dejota2021, Ryan Roy, Itzza Primera, Luisa Fernanda W, Los Acme & Blvzt)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41d766eaa8b958b047d16df40a65efbd2b5018331f400abe52a15d78c425c0d6. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/ES71G1918299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc238b95570153221a0a0ded152f243ebe038f7694dfe563e0c2f4f71dc44cbf6. 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/ES71G1937886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f0b8c5e909500bacd319e863b17883499579e439461193f0872c9b09657065f. Chain 2 (Bitcoin): anchored in block 958124 (2026-07-15T11:00:45Z), 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/ES71G1937892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf41b830ed51896c15531bf476d2dff9571118c5fea0a9e4da34fe4da9b1386ce. Chain 2 (Bitcoin): anchored in block 958963 (2026-07-21T04:02:02Z), 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/ES71G1937894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb09e9e414cbf56955149752760a071450e367bb599e630c52a9500267d553af. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USL4Q1941799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7254ba9a2e48d9d3cba44a018bd86a0cc843fafa5f3a61d3559fd34c1738266a. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/ES71G2052877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025d1a44118aaaba31e66db01aeedd0c20e80a66e2838502633e50d8965e7735. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/ES71G2107591.
Limpia Parabrisa (Dj Towa & Marzon Remix)
Limpia Parabrisa - Dj Towa & Marzon Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0e26f479376f38a9edebc541c95d5e3b00411754e8a041dc856e234304e049. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QM6MZ2546037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x996dd05579d866c75ae9d2e69b172075cdb898c9635acd99621c4e5a2ab13744. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QMFME2525509.