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 0xe55d222b623e9e18c739fab1866dde2c36334a90abe4e2b4eb50187fec5ab59b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09ef425f-7298-4639-a95d-0ff51a33d9ea.json and https://artists.proofprofile.net/proofs/artist/09ef425f-7298-4639-a95d-0ff51a33d9ea.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 0x62e930ecdbd738633afc79023877328be6a2330ad0797af9ca68c8ab90566b0d. 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/GX8LE2401856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59392c0917594ea7ebb47ae7baf6a20adf30e2bffcbf673660d70dfce9316f0. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GX38U2337489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce28a4806a210eee8e28f85a46835f0bf54453643f7938dc92e85c6af77151a1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/NLT2H2100361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeb6a0205f70f268b9d3455fff6fb630fe34264c23b0bac23b60fc5b9076eee1. 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/QZWV32455413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1633f0cb615952750accb213620a29387689b2ba1635715345a988651d459aa. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USLZJ2416549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa464245e73274ce9e0c30c6caf14d888a3f44a39ac4c78d2f970f0f44273963. 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/QZS642217375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0376fb81a47b8866d0688793a350835bc81965790a23b22ff7c7704023ff3eb. 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/DGA0Q2378723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34fa00705a4ed6296b20d593a715ebe85f971d9c91b6f6dbd108f9c5a93095b9. 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/GB2LD2210257.
I Hate U, I Love U (slowed + reverb) [feat. Nito-Onna, Faruk Orman & Coopex]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b8766e45b50b60a30f9ee983dcfd59b3b13758f608305d138b61c0bfd249ec7. 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/QM42K2263930.
Forever Young (slowed + reverb) [feat. Nito-Onna & Dame Dame]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91d85e6de3f24d342f961c30017ab6603022631a42790249a07b507a4cd7cddb. 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/QZS642286036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x787eaa4fc9dd10b4b346c619576cbc0d0c06b137abd5ac936f735ba755c6b16b. 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/QZGWX2221229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x685157f9a069d3680d3d11d55a8bae3790933d4d1fd4e5fd3477527fd6670a1b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QM6MZ2221241.
New Divide (slowed + reverb) [feat. Nito-Onna, LexMorris & Harddope]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8af5146ef37e5463581437d027c6f5629bc4aa6510652e6786c3af4b2fdc6cc. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/QZS652245310.
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
Gold Skies (slowed + reverb) [feat. 2Hounds, Golden Wizards & Nito-Onna]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f7f4b72037ae1e91695236e5d834c0412d176ab7fc3611cd7c77af703cda4d4. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/QZS662298329.