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 0x42557f0a2a96dbeb9a697ac674f208e59dcc65fd1df569b37b531f6347f509df. 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/5fa8e4fb-437f-42e3-97e8-414f88f6d82f.json and https://artists.proofprofile.net/proofs/artist/5fa8e4fb-437f-42e3-97e8-414f88f6d82f.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 0x416a03a3d9a4e9769c808f6cda5cb75a317831d243c27f06c0c9c641b27f5273. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:18:57Z), 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/QMBZ92035034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97307ad2a4584b2b4c91945d5c76af3bdf00cabc99e1f774f37f5b3e6d9ae0a8. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T20:23:30Z), 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/QM6MZ1527471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a55de72d16f21297b7254c54ca8634bb298a39e137e0ef5a1447cbebccd2ec. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QM6MZ1527474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14a6db71972e68885948e93515ac526e1f4530694c1fd8e15f9b97e13f8537d5. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:14:43Z), 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/QMFMF1528327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd938d46921231b4b2778e4113b20607502b849a462059ba1a4f69c907b7d230a. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QMFMG1593662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72f70f413fcc21263111fb57822960cdfe432592785cc93689dfc69df8f0747. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/QMFMG1593649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ec74654b036bbb2077f31ff77986157ea7d28d887a4ed26a5df1cc29506aee. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), 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/QMFMG1593651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ae928d30440401e796d86222e349c12c7643ebf267d4a441911c2c2442dd745. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:41:24Z), 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/QMFMG1593653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06eea7d9999ecd1b940fc8c4717c9ba4679d32fd483ad2733306ad3b4a0c3db8. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QMFMG1593655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f3926a5ff2982cf561873ee6c5732771afb09e5cffa00a90c1c597e83635c5f. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QMFMG1593656.
Ipes pos (esi mou pes pos magapas) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb18440cb32f7b4ca282b4da0f85e58f96603ce51b22364667a5c2c40f3a2fa1f. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QMFMG1593657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2411235f788ea986b817c14901238f6e747153100b2d55a0c1f1d9243674ba94. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/QMFMG1593672.
Kalokerina Rantevou (Babis Chalkidis Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05faa5dae56291243d07ade90687d313c0eb911781bd7f749a778b7160ce566. 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/QMFMF1566152.