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 0x8bd56f4849650e70a042fe831d91c793d3b8e9e92618a32c201cf249ccac3e7c. 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/3d902152-1117-4905-973a-3238b6d62c2f.json and https://artists.proofprofile.net/proofs/artist/3d902152-1117-4905-973a-3238b6d62c2f.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 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 0x00028df77c50195d82dc68ae1f901e4d79cbf7d83528fecc35b45087619ae08e. 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/FIPT60500060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc07d89a33cc9473630c3062440a706bab90afe2a297e93cb47ea3101a92787db. 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/FIPT60500005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x175359cdb283c821e8afd30f7b046e14d529d148bc9fff39510a1840d5e26573. 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/FIPT61000061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6db595f3bfab58f643526f6ba142557c1bd498937642126a07a2e8c9268cfd79. 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/FIPT61000071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2591939a5b08423827f38f6b2538401c392d4251bfa8a133c14bdbab126a4019. 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/FITJ52400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x199e956d450b12e96f78030505161c3fee9cfca6fbdd0df96db087ac336b8ba2. 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/FITJ52400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a578fbff89cf217c6cff86553332724be78296bc7be0b17aacf05fbbaddbd3e. 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/FITJ52400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7347bb4367b362af6c023ac4d394daac141f83a0ea8adfc898d9183090a85b88. 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/FITJ51700002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f29050e18affda23cbb79c1cdec2c629afaa1c4c0fbf3662993a54c794288c2. 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/FITJ51600001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe144c42d22c8642f5f23abd8227711256cf7b1b1fba4e0aafbd07707676f7dd2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FIPT60300094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b2498299826fa150a1f714647e4c199e6b6a527392212bbddbab14b4c088ba. 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/FIPT60300095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x963a2ef1b427dc1d884292366473ae49709701ebe7ed9b08028c8f903ec7558d. 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/FIPT60300096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e77cec8e2c8cd8ec3d4958dfa8a5f9de1a9eb2c5f7b523a914d9efc58724f4. 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/FIPT60300098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x938b06c7c1b4800b730431638513fb3040811945e3df80267df54a5b4e3199c0. 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/FIPT60300100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ca8929625da8106a1d667621dd0b953ce97f5d66fc289ebc29cf921d6b9e26c. 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/FIPT60300102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28d3f17dbe42a643b8f8e024d9a1161290de42099f70e31e588d94cf83eaf423. 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/FIBAR1500427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x711935214c097f2fc732842cf9c2a2c9c328b67b789640dbfefcfa897732d245. 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/FIBAR0700026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59bb73eeb678abb29fd0ea2ef620839a6cc030fc2b9334654f2c08e5e19bf099. 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/FIBAR1500404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2560c2fc4b808189eef83c9e7d44027bc2ef31ccf2769ece07497d067852dc80. 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/FIBAR0700028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9030036fe5ae1344e52de0b5660d01977d8d96890a75a126d68520d32d6b6097. 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/FIBAR1500408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e31410f39e4ef58495427a5d1cdd0985937fc90805dc8bd5da3d3715e94d4c. 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/FIBAR1500410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x199e956d450b12e96f78030505161c3fee9cfca6fbdd0df96db087ac336b8ba2. 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/FITJ52400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bb26ff82d9dce7426fd421215958d95fae95823f10af3b74e048fed7664455c. 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/FIBAR1100375.
MUSIIKKIA ELOKUVASTA LAPUA 1976 (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596c6f0932ecc540b16acfa18a3928623d3b0e3477a723d25606409d074d3f39. 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/FICB22300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e82707b084d844de09d400a7666652b5fdda994594f7a74195a0d1771db9dae. 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/FILGT2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2beac6b884a664f8a405b92d58cf59a247a64dcea610d123be46d92f0dc35683. 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/FIRRI2300057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255dd66220f8f91501a5e49f4c0eafb1e5e44cb8b2f3552a1283690de4624216. 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/FIRRI2300056.