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 0xed53279dcaa571f5e133a216faf830a6b4d2c350739bfdbe581fb6a8cc64514a. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/802df6e0-b1ce-466d-9a3d-d37ce38a8ed7.json and https://artists.proofprofile.net/proofs/artist/802df6e0-b1ce-466d-9a3d-d37ce38a8ed7.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 0x507bb285f4ad6c197fa2126b80b430130e67e62abb4135209e3654e37ea85c56. 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/CAH250630030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33dd52c33fc851c617199af1fba67c03a2d73349be197cfcf68da6320985a036. 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/CAH250630010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42504acfbb35a2d7dda32801e2577b7f9a64930cc96c384f714ec940e2394c08. 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/CAH250630190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33dd52c33fc851c617199af1fba67c03a2d73349be197cfcf68da6320985a036. 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/CAH250630010.
Get Into The Music - Goodfellos Full Club Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9e8e5097dc305e7a31b22b01a20d09f53c3ad6cbf064fe16ef786f8b258eef. 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/CAH250630240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x103a3ad9d584f2e145f0148992721cca1a1eed4e8442f0aff39d5e10515e8033. 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/CAH250630260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe84a535d468f2b9532aed901dec0ef4894ed80dec3dcb6eb0eab5ae87838766e. 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/CAH250630280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc973fa91412002df844cbdf17d1a0a664ea9ef4a22eb28ae251e2ff36a3a21a1. 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/CAH250630310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33dd52c33fc851c617199af1fba67c03a2d73349be197cfcf68da6320985a036. 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/CAH250630010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12aae5bf2f76d1f369752e6a0847cd6ec311ec8a9607d0bf8ad27db318fd46f3. 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/CAH250635050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b71be68bdc2f7525422855b2c3148bf37d33cb1e121c69d61e5d6e983ac9832. 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/CAH250640190.
Hi-Bias: Miami Mix 2011 House Essentials
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98c13b1862d212dcd60568c3b466d4e1aa27a7fd1e011459442aac42720a140. 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/CAH251110261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2194fb3a15d2a0deaf314ed94a0c18230cf60fbc02af096f7756d02858f3000. 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/CAH250635300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b909dfb8403f7dafc15d16b1999d7e882be6fe9ac0a7263f2a1ba8fb41abaf0. 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/DEB551030162.
Rhythm Formula: Volume One - The Sound Of Hi-Bias
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb626841334ec7d15f0202b738124df446b4153f1778618a7e2697c3a40092dab. 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/CAH250633940.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x462f4000cd83743dc60acdc174fb3bf0718b10a4c934b5bfdcdc9d5962a21cf3. 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/DEB551050001.
Rhythm Formula: Volume Three - Discovery
Hi-Bias: Tribute - The DJ Collection Vol. 2