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 0x7ea778c4357390645978bca05011236d9d30e1ea20f8a2fd6afd19d2ac989c06. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd84c8d9-c489-4b37-a1ee-679ae1b8edf5.json and https://artists.proofprofile.net/proofs/artist/fd84c8d9-c489-4b37-a1ee-679ae1b8edf5.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 0xfa4018107cc6c8db388a17ea86a76763c007f63a79bf92dd8fce2e778b67ca65. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/SE5Q52100063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70880db94d3b610a694a87a5180974fd59d27865e9188d511fa2c87d1db6606e. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SE5Q52103231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2625943671f0f30559b734d74cc38a8337e3a85691bd0c45a2743c83abd6e249. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/SE5Q52103242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x967c7e04087b5015a6dfd72107d20b5e53b354cf3c5ccbcfeb1ebc870ffa4042. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/SE5Q52202765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9313b383081c8553e6b141c14197781d89590dc6efccb31d3b9c5c5a21fc157. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SE5Q52204218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08813592dfdd496d73047e510d815a42198134a31cae650d6775b76ed2cb4b1d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/SE5Q52204175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9399ca74c2c4653f01b518d00f6d00c1fd65f0ec6f20d972862c0cfee0af93ed. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/SE5Q52204176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a7254a74ad6b6441b04ffe120ad7d6432eb82ba584d7c88b72291b949947b4. Chain 2 (Bitcoin): anchored in block 957752 (2026-07-12T20:53:32Z), 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/SE5Q52301765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa324bca46d4be2e17b1d786746c60865091bb38280f92c1ec6cf56e689004687. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZWFE2309932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be10b2c472c6eb60441b918a7adee631f8bf6a7c830579209c9ef91680e9e2f. 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/SE66H2301575.
Binaural Concentration Alpha 100 Hz - 108 Hz
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d89f9486094f591908e7c566d630d55a6e4c8f3d65c534cf5b7ad3375711bf2. 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/QZTBE2457415.