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 0xce441f44da21b2548dba746b188ffa3935f2238da0e12fde24a0a35a88b95b7f. 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/568b64bf-9861-4633-b716-f9b8124f27a1.json and https://artists.proofprofile.net/proofs/artist/568b64bf-9861-4633-b716-f9b8124f27a1.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 0x12075aaf75aed097113f3a9a3634cb1e5c3d86a4b22adba2893c18df75dbdc70. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/HRA040530319.
Gazde Zagrebu - Koncert Iz Doma Športova
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86ed9097e1d34d798bf0dabde2d57ec0fbd3be14bb983054fed05fdb53ba3580. 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/HRA040632053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x942dc4e37fc9997d06dfc5d71810d7b19840f80cbbc9fafee159b79df7454873. 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/HRA040535774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c1fec86e94d5e5643470732567c0c1102ebeb2a7120f5194a9e6413a20562e. Chain 2 (Bitcoin): anchored in block 957546 (2026-07-11T09:35:53Z), 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/HRA040538808.
Live Collection: Koncert Iz Doma Športova
Live Collection:Gazde-Dom Športova(Reizd.)
20 godina Gazda (Live iz Doma sportova 2012.)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d54787030e12dbe11ae1da297b34899161a4ff1f3700ae8cb2a6c011b454deb. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/HRA040541091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb643103113dc2a44e55abf49b233fe8fcc5c6eb355c61b6a850e4ce77006123b. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/HRA040541093.
20 Godina Gazda (Live Iz Doma Sportova 2012.)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd591444c948fa80f4c21536e888d3bb457e388822c809e14901ea9b95940b496. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/HRA681001004.
Dalibor Petko Show - Zbog Tebe Sam To Što Jesam
Dalibor Petko Show - Ja Na Tebi Volim Sve
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4d1228e9b0ff9eaaff61ce11c5f0045e2ca27d73bf3f0ad9d407397b71d1126. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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/HRA682304004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x086dd87d7b02ae68dac3bcc4911f67bb7a4c4a2d0cacaae08ebbe56edc543842. 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/HRA681704012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b53b42c78abbc439574ae15300a959f08986cb2cbffe4680bb03d38b3e98de2. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-20T00:11:02Z), 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/HRA041268044.
Još i danas zamiriši trešnja - 30 godina
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbaf662e0c6fee5dc64158ac2a09796c950c5bd4d3bc7253b370d7d6a48900b. 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/HRA049532867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x386c6ec45ee4ba1f2ef6a2ddfe5fbf7ea9600c521b13683c614dbf3ff0666ec8. 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/HRA049329426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d04f9add789653d5c4983d4a66c36a2287d0648096dfa2eb04b604691d1e77. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/HRA040542189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf0d550443b5a3c6a31a5cc3e87ce0c520b7519ec4de592694e874e52a597625. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/HRA040632865.
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 0xfd7bf017c5ebec93aa2c01201f73d5e46bc67ad5df7844674bd90a06076cb006. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/HRA040635603.