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 0x1d6b85ea86f944149c1160d99f9c13ded26ffd3e827e597d8a26600b36d16f70. 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/18b32ad2-1d96-4391-b9f0-af470c393dfc.json and https://artists.proofprofile.net/proofs/artist/18b32ad2-1d96-4391-b9f0-af470c393dfc.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 0x51245f07361b0d369065fb6e5dbad22decebc04f105631f20226a11b4054baf5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLFL72300073.
Syndicate 2023 - Ambassadors in Harder Styles (selected by Hysta, Juliëx, Deluzion)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee685ba008841df1dfc24a671e64e38422b347b5f7a186bab691e56a26e8f6b5. 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/GBKQU2463885.
The Enchanted Forest (Outlands Festival 2024 Anthem)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a7fbe07ff896e515a20ca2ea5a7211d2c3c63be5616e76feb269c9d688326f. 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/NLFL72400412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab36960528b56fd0f5f83009d0aefe34a5afa59fa7b712fbd46cbdf6e6ba921. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLH3Q2400031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3809e1addf7c4187955b7b5fb3c46b0b8c6ef11a6ecd1e1e349250293057a5c3. 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/NLFL72300909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0c00667f43cddfcc7dd1653c66864c883927c5af3f2b8d13a724fa17e154952. 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/NLFL72300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d5409882c6ba8acf72981d6fd5febb81492d12b07b706bc12401a9f2ccf1994. 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/NLFL72200103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552ca6898fbb3bd96388ad014b403c9fcdb3beb7232bd396af4ae7658d79ac65. 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/NLFL72100883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55ea0e4bda2eab00b72cbada60050881aea19d20990956719fd194eef290f2ae. 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/NLFL72100038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7c40cdcd1bd0fc54ca0dab489eb456c1d007fe30efeb6613438553200ca7723. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLFL72000492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb509a96f00328b5ab2ad92356b571517a1bc0eadd78eed8f2f4152db5a7a8a2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/NLE802200667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7e5aa6cae7dc2ae444d9ea65cc3ee6590b54c6e259f50d9349ec806f2513fc0. 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/GBLV62208468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd9ac146565845b3b11e48e7049898c650af1b3e57e3e2de04361929f598b20. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/NLFL72200139.
Hardstyle Mission 2024.2 - Demons and the Ghosts
Hardstyle Xtreme - The Harder the Better
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5717794260084137ec0881a936f984ac7017a477ab666f33c6d2e44374b4c03d. 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/NLFL72300853.