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 0x8d1948f4d4553f5b333b95105a1ed62782c03470836567795e215644c84a33bd. Chain 2 (Bitcoin): anchored in block 953972 (2026-06-16T16:31:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a72b3f4-e302-42e5-b3f4-238209358389.json and https://artists.proofprofile.net/proofs/artist/2a72b3f4-e302-42e5-b3f4-238209358389.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ibiza 2019 Winter Clubbing (Deluxe Version)
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 0xd0c6fcf1305205997d56ee39d1b6ceeba952b0c16f78bbaeb7107673908f13a4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRQ389800006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98577406fb2fb207153fc9fd9267266adcef1ee0f1f70d973b4784e5d6aa398e. 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/FR6V80523837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b98b621d146a57af7949cace9958af5f7718b8650727a6ce8fa4bac1f429c1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR6V80006293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4716037899da8366db33c7cff38f3318ac76fd804a08332fabdf2433c1b8017e. 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/FR4E41410640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fc412c23deebf2f3e23daff9118f8621f7c1f685f4d921252308d916dc72461. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR6V80994381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c71548e09d359ae51f3ad19e8c8d2a2b48cb9ae643e58e3954c81e25cc6653. 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/FRQ380300180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2400ca349fee716b8cfb19de49e5b19c6106bec099e02cde7f5e50726605a6ad. 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/FRQ389800041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x304d2165732614c8b41a8eff139a161b63bbb9db606e37ec59d668d318aa08a9. 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/FRQ389800107.
En La Mar - Erik Hagleton Rework Main Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a2746a0dda32adad4d3b24c1da745d2ee5e679faeaf4fe3df7450590caffd4. 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/FR4E41410340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe3d3e13e8e24513b4ee40f35e6643e308172450a83e625c326c8d59e64e90d0. 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/FRQ380300217.
Resurrection - Axwell's Recut Club Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x808afab4e76cf49665f13c01b272e3abd6c54e25df46c3c61d5de8aacd198058. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FR6V80341796.
Beach Club del Mar, Vol. 5 (Chill House Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb46bbbe3e7c1bcc2a68d15c5bf1d09bf25d2fe5a0044621e583c4d1bcfa7deaf. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBKQU1783842.
#1 Club Hits 2014 - Best of Dance, House & Electro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x429ee90b8f444e0facb4af133fcbf9638e37aa36683fc01336455a150a126f20. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBXWD1605612.
Lovely Mood House 2 (A Collection of Deep & Soulful House Tunes)
Lovely Mood Lounge, Vol. 4 (Deep House Collection)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53df13f6ef3da6d7f307d74820f82a2d9f49e80745a6069f1a4fb527461b6055. 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/DEW871102813.
Shake It Off Now! - The Charts Party Compilation 2014
Deep & Soulful House Vocals - Underground Sounds, Vol.5
More Luck Than Judgement (25 Releases from Llama Farm)
Metropolitan Lounge Selection: Miami, Vol. 4