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 0x60c43037b41c494a24a830da4180aaa69f8eeb74e490d5ecf303459b7544eb01. 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/b8e2af45-55d6-4c72-a589-66718231df43.json and https://artists.proofprofile.net/proofs/artist/b8e2af45-55d6-4c72-a589-66718231df43.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 0xc8f17a9123083b02d13f94d37cec9be775dce0337d97747be71b7fae5438ab8b. 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/QM42K1609030.
Megalovania [From "Undertale"] (Future House Mix)
Megalovania [From "Undertale"] - Future House Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb92d7dc544747bf7fb2ec08cbd36c7fd624638e1633818a89775f3918c185c0c. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZ4JJ1664563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b40f936f9c9619e03544ba0b1ea6d47a03f2add58f36489fbd5ac85f0446c6. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QM42K1704433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ca85d778c82d0e4e36dd0e5f422ca4682a83867f9c02d356afe19ef46817310. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBSMU4861054.
Fallen World (feat. Jasper Malone & Trifect)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56cedc0852dbe67b91a6defc8267243004a3b18783461e6e8c6c76e3162dd7d4. 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/QZ93L1947730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505a49e6696fbd1e1296f904f8c7896f1fa05ac9a150a28491b6d32906653a9f. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QMDA62105293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6229d75aa5dacc8ec5f6e1bc83b3583fbc1cd8afb9ab0510b95402e2412b932. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/QM6MZ2202139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56d8f72d1ab5563d92b9dccd458eb6a9747cc08a6c13bd70d8653e2d4ac4a78a. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZTAX2416771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9f70ae7b3b63938cbcd969e680eb0f6a144f2043f398b2ab96945e2a50e9eaa. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QMBZ92527444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc938d58d1495bf3c65f901c0e3d9847d9b118fbf51fb2fefd24967c29f9d9896. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/QMBZ92527446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88a17264f52333b5de760d1f12b7a0a4d74d65adc365b43d87a46db34995565f. 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/QMBZ92527447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27058c09ec5ac1307a43366c9ce1cac43c6df5713a3169a9b052b74c40c0be31. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QMBZ92527448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4246c21b119f5b203c7f8f85a7f70081e714cacdf926c8b7ea0bd8d4265152d4. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/QMBZ92527449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb2097f880116fff8f4c1ca7c89b82e9372e7f275eb22f3efedaee83b77d0f8e. 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/USE831580910.
Paradise Plaza (feat. TOFUKU) - Tenkitsune Remix
Paradise Plaza (feat. TOFUKU): The Remixes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d9cd72daa4becf51af83de57628dfb91b8a5191a370447291e7b70922c03ce4. 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/USLZJ1754723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b7812f56cd1ff7e19644f77629da3857f1568afea6fb1294eed254b23cc51f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZ4JJ1656576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bf308fdc7db744bbc416ccf3eaadb6a9b8ee1e7579ce96b28df58b2a8c6f5c7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZ4JJ1656580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe798696824511283d6ab45ce77117ffb3810f1481a93f40a60c92163b223f391. 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/QZMHM2040043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x119001b51bc31bfb762f2db7705ecbcc07cedba05a52451e1b4cc156f8ca725a. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/QM4DW1791422.
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