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 0x37f4ce0c516eb845f654c6a00fd73ad041e0ce25c3f65fa8dfafafb5a58af103. 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/48467425-6aad-419a-b010-93a37457a371.json and https://artists.proofprofile.net/proofs/artist/48467425-6aad-419a-b010-93a37457a371.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Warriors (League of Legends Worlds Anthem) [lofi remix]
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 0xdf2fc27286cdba65c54b28ca474099e57cb6eb5229b35841a05e4351965bff2d. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/GX8KD2217771.
The Last of Us (Goodnight) - lofi version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e849f39dea09245d7cca9e11d1c8785b0b3e2eef94ed45c7d62203c239b8ef8. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/US3DF2452704.
Chilltendo (Nintendo + Chill Lofi Beats)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32fdb9e1dbb24978a40e75ed50a9647596904bf16c44ef44ac1af2a13df50720. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBSMU8901399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7affef2305572e3d22ad43af08de272cd5e2d497ba0419ff1b43d7339d6da5f. 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/GX4R52181003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36fd916d3382cd32ab89b779ed31efd5e85b16fd9d85c2506916d3896492ef25. 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/GBSMU8901398.
Mario Kart Wii Options Theme (lofi version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9389f1c955fcaaa3d5e781f4c606abf76fd437608926721852bf47007d331eea. 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/GBSMU8901397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01387efdee90da1b627ebaca97fde5ccb5f82d736108ecf2186054ba1d5513b2. 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/GBSMU8901396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf3afe9186ac0579889f9b4e2887e00c414096780a12a5c9f2df570ceca2ebc6. 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/QM3DF2286824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e330313fff423cfca3e69ee3e78e0dccd927201fbdfbccc635eed9d72082d06. 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/GX8KD2254868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a1825a086fb1a747ad517c8304c859d12d74faae4d5a8fa3f6f0dc602cb1e0. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GX38U2372080.
Zelda's Lullaby (from "The Legend of Zelda: Ocarina of Time")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb118ec3dfe7fb573f6db4db135bc0deae89599162ca038261b51804fa5201d1. 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/QM3DF2292961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8584124e6a8e0d2cd27921431e5f8be76e99b89d047efaca18d8a0905d6d4db9. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/GX89G2291811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bcb71024a1078058ec9f54e1898cbb567ef8cab1f34c14873436786306afab7. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/QM3DF2286819.
Zelda Ocarina of Time Theme (lofi version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dce631f5f5e908bda5d40c476da8190814b92adb0763854daee71d8fde9cab5. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBSMU8901400.
The Legend of Zelda: Tears of the Kingdom (lofi version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc787ccacd15663167429853e3913dfc9d9996ae64fb3af0961c6a39c79941482. 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/GX38U2343928.
Donkey Kong Country OST [Super Nintendo] - lofi version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef5a607564b7ac5a6555c3998567cb774662b24d149a93ad64da21f5dc298906. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/GX8LE2366138.
Gerudo Valley (from "The Legend of Zelda: Ocarina of Time")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7e25f98239ad4942f02f987498c73e0965201b430150cb6dca984ddd2a206d8. 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/QM3DF2288267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda6f62b75bec32a08a8f74293b1d819432ef07442dbd085a46049a666ec7f251. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/GX38U2346530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc80fc1e990bf2889f79ea9370d2c6c889b2a5a320c6c2c9ab24f1bcc27cd8d6b. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/GX89G2230657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36f5497e30be0ae92984a07d6f92a7c90406993c4779d6163a3c61e1e5667ce. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/QM3DF2286823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x968123c63937920fb6316d5ab4a0b3e8f845bdf5c252fba2bb8c3ed737c7e175. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QM3DF2286825.
The ultimate League of Legends Anthems Collection [LoFi Edition]
STAR WALKIN’ (League of Legends Worlds Anthem) [lofi remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x835bd2bfef3b6513cc3b162039ddd1bf237bf77bf63afd114d24dcfd981cdc66. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GX89G2265835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18784af72d0523d7dce43b4db005a28554fbd3f5048e3a6b2450b1a9cf152cc1. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/GX8LE2270450.
Chillcraft - Volume Alpha (lofi version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c4aa94a4d2c8efa6936216f6ce6a0f2a149524ade83d0a6269c979cf6c070ac. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/GX8LD2353803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb0e2e5b95bf976e8ed6e5020b584ca463d8238fe1bc034415f935504978157. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/GX8LD2332444.
Heavy Is The Crown [League of Legends Worlds 2024 Anthem] (lofi version)
Heavy Is The Crown [League of Legends Worlds 2024 Anthem] - lofi version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0362e8a8cbc207948d19e98fcf625d54d109d01e764804c0f4883f65c06905f1. Chain 2 (Bitcoin): anchored in block 960355 (2026-07-31T05:49:18Z), 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/USANG2461206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce157d98bc67302b59a4ff68542504885605393d5dee97828e64066249c0ecd9. 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/US3DF2430630.
The Path (A New Beginning) [lofi version]
All Along the Watchtower (chilled lofi remix)