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 0x5bca7a95add45e5e6a1f06c080751e2acfdea146090c5ca70dc6f3a8db1bf755. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a8e9e7c-f1eb-4e7f-87f6-b16348d71b1d.json and https://artists.proofprofile.net/proofs/artist/9a8e9e7c-f1eb-4e7f-87f6-b16348d71b1d.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 0x12adae64b2309d99b3719b33416ac27b3cc63c6076014a803069b6fd7ef1ada3. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/AUXN22119007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaee2a8944fbdb89b4ad164973f81775cbb38691462173c5b9c30653d27b70f77. Chain 2 (Bitcoin): anchored in block 958666 (2026-07-19T05:00:30Z), 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/AUXN22182102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34d59602cc22b67ebc770d5d1900a8c2e7a4d1a19ad247cc9dc030ed7f7dc06. Chain 2 (Bitcoin): anchored in block 958971 (2026-07-21T05:04:56Z), 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/AUXN22182103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd419cce182a2dd74fcc22cb1f53387a1c83ff81cd48462687c007f169d08214. 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/AUXN22182108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db8b22ac542193ffc51fae966c8e02eccb7f0ab73f7c9f32314422e2cfa9586. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:33:29Z), 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/AUXN22182112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9e0c02ed43f5449ae03d054cc31edb675f916b8ed980b49600b14e975c2f2a6. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/AUXN22181401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d856342eb83be62ec4a47333b3f7f8e8963ace0d876109b8513d01a3c21feeb. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/AUXN22181409.
Be Yourself / Give Me Love / Going up Now
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cbd27ec85fa5dbb57bc322411b1b24c7ca4c578a618ae436fce749c797f6292. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/AUXN22192577.
I Wanna Be U / In This World / Je Suis Music