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 0x3ed83767192940998bd7734afce01b0869aeaebca89240d96264de94244fbfbc. 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/c87b0fb8-729a-4239-9f42-e2fba63b1f21.json and https://artists.proofprofile.net/proofs/artist/c87b0fb8-729a-4239-9f42-e2fba63b1f21.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Visstick Gooi Die Kanker Kick (Tony Junior Remix)
Visstick Gooi Die Kanker Kick - Tony Junior Remix
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 0xf9a0c77e7ebbe4570d4a81928cf762d62c43748da1a198c3001ba2ba68cf81da. 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/QZMER2250389.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeace125e7e5ca30ceb770dc024c417ad9fb1f4969bb6c7fe260e1b345d6afc8d. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QZFYY2522913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d065336a1729b73ce851ef1449aa7ce1d6badafa495d278ec03ff7cd87f84d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZFYY2522914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15a7a8b4d3eede5584de5164c3550ee8fece9f8e20b22cb40f726f53257d451b. 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/USA2P2428323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f8e62e07129289824706536608b06586f605b387985f5346c03809477927b42. 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/USA2P2428324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11f190b8e3333a10023314dc51c8bcfae7d249ddc9b629f429ba4e2305faa2b1. 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/USA2P2428325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc5a2e9e5b86b8124ca406312cd558f38b4bb24f2759b92652fe576fdeb6c1d. 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/USA2P2428326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a820c5396fdab954ce5b2419aab19b0f21cf922de2d58982a4850b5e1cddac7. 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/USA2P2428327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24c3448b1fe3656b5d0518cbddc9958b8b86c1930cf477a81dbb514bfa66776c. 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/USA2P2428328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x410166c3df8d737de7bc97fb536697b9c37864d9ed4aad42357e3368ff8bf2a3. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T16:43:41Z), 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/USA2P2428329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1a8a675448dd512748930d6d424e28a486044ba48ead01b4f5869317952b12. 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/USA2P2428330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c5af2c6344ff6d1b9ca7f8f6620398f832a5deeab0d277c64401559d10d00af. 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/USA2P2428331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0bed86efbba5c22e085d8ad8bebf2da43d5c522929054aa38d79bf162d2f31f. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/USA2P2428332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc84da833bbd161529455368edd4ef7e5ddae9d45c97a64d3635506b34944dbbe. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/USA2P2428333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebe19dcfc9d89d956e2cd659f8ecdd18df9849b75e98e4ac4e4abe79ca1968ed. 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/USA2P2428334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b3a203acae88cd4c6e4608e0d75498a01c83a8cd5c3420c1b754f67243376e5. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USA2P2428335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3583828c3ceb06a21e3aa1fa5576e7daee4a866692e1d1e0be7d0b23a4e7cf96. 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/USA2P2428336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa726c550b6abb863cba4c743ef79c82cbd57472688a9dfa4350db3b99a39e9dd. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/USA2P2428337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f3c254771644adf51c25ea75e5be57815484ff09f09610f54c79a9483d50600. 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/USA2P2428338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dae664f1371fe8a405b15a7f0b4aba536a8f0a1bee02aa39d28f801515e834f. 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/USA2P2428339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb8a80e446daa2d5b7607f905c93f34adb0510e4b58bf15c02307b3b889b09ed. 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/USA2P2408493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69b3820cfdd9ac568c240f0ac24d6f0816cd147083c034e57392b808f2cd156. 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/PLB382400795.