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 0x63cdc1c4ae826978d7f75e1cb1e6112c6ba0b61df5c8ab9e1c5040e2be542126. 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/5dba59da-47ca-43f0-9e87-77ea4f50f651.json and https://artists.proofprofile.net/proofs/artist/5dba59da-47ca-43f0-9e87-77ea4f50f651.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pe Crucea Din Dealul Iubirii/Cine Spala Al Meu Pacat/Sangele Lui Isus
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 0x089f70ad82838d0c7088f1db32d00339a1d7b2b5d603cb693592266c8f912501. 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/TCACD1519299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90b19919b9ff6208690a86cbac8bb2e7770b747189a32a66bf50e98d9ebcc56. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/TCACD1519309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb29550e28aa60d6d2fe30a1bfb09da1ecb7e399e4e97c70c6bef876659aa96e6. 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/TCACD1519324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d86da83ab340fa7fc70beba4e344c5f2b55433ec0dd3c33f7d00bb6c362354. 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/TCACM1661035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5432f40b04e30b11bc008b5d72c5e8c639511de673a563017587cf81ade2b824. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TCACM1661064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06e39cdaadb536a425a6154571cd3db173085db724bc252554ae04141cf28bb2. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/USCGJ1928970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e825e55d8745f239eedfd079538b16a573162d5c4b539030ffebc7094a2ca4e. Chain 2 (Bitcoin): anchored in block 957745 (2026-07-12T19:20:20Z), 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/USCGJ1928976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0bb9766473023063dd8d07a86517103f998531c04639d662ad24338af2a4502. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), 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/USL4R2007594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0633df3def96fb50ea08612c3b576f79a4281fccf77712bc4983322df0924700. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USCGJ2171881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16dc2484a793e86f487a212251ae30b16faa5503f427864cf665a22255e6c551. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T17:28:27Z), 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/USDY42162499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e0c8dfb89b262e6274b47305f04745cee638019fea6b19a7ef5c50e5cb4613f. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/TCAFP2119818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61b6dd97a31743400939bcc77ee1f229c54a80f89dab75ea5fb538b7f069c9e3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/USL4R2141820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb0fcf35fa3503f92fc71e7b60807606514d129e2483e2c651d7d5f76ba9c49f. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/USCGH2267552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8572ea91c1ba6c5689e6d6dd4450434df6d3c660ee9ab105519c88d2770f144. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USCGJ2240635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cf49e41ccf81c675565bc77d75629e08610d544e99e6ceeb5982b9463fbe031. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:18:37Z), 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/USCGH2322733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d0ef7a1962b5fc15d2e57d370d326b6468ff45f62e81d45b4f831af21b6520b. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/USL4R2371724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc295c3ae50f595057751ad03ef42c46775873d5939447db3b3db124d5526b10c. Chain 2 (Bitcoin): anchored in block 958695 (2026-07-19T07:37:00Z), 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/USX9P2367953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb84ae78ca4ab56670b55d437e0d71a5dbda6cfe0b79e55ca1a4ed89e164003c0. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/USL4R2589848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0917dba123436bbe8f2b472e4a3c0df812fc3b7330065a4e52ba672d61103ca. 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/USX9P2575279.