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 0xcc530221d3c85edd43598a4f83f2dc5c7705b5be1f9e387a09f5590949a7b819. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a4944523-6f9f-42f7-aa2a-700872b32b7d.json and https://artists.proofprofile.net/proofs/artist/a4944523-6f9f-42f7-aa2a-700872b32b7d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Burning Man 2022 - the Altitude Lounge (DJ Mix)
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 0x086be3dc10945d76b279e7df2aca8327224d36c9faa88de0c9f2d4158e95115b. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/US83Z2141407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d492ec8a7197501a0cf8c3c084d563e999324da2dd6d288d225594d522ec6b8. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/US83Z2230342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x837dbf19c1eb24b1dad41b249eb9775f1743765f1264054053f47d88c172bc88. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/US83Z2135561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05544e0264ba75c42e2dea77bd9bfa2ea430211d93e43938f7a3336b7a43da86. 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/US83Z2117730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62453ebc861664430a7350a8a1016c787c75a2d1e96ca6269959d542b7f5bcf5. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/ITUR32198005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5abe8a5d2670298b03af53ff94acefed30d5563bac6608216fe4ce9539e93ab5. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/QZK6H2090217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd38098f2ca030c066a9988df418e94bc88639663f96ebcb703c092dcc3608135. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/US83Z2017132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x509d7ba7a0b210676459ba3216e1c3fd730903fcd96893756f02f85346bd2a44. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/DEY472180208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1367f295e4738028afc117f6f6a3074ce6a27e86061923b8ea1e5dad3d370ceb. 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/DEY472180209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52674b381efef767e2296d4293431d47fd86650f99699ac30faa061251d48960. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/DEY472180210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f8f88cafbb2c524516fca3efc1b6d536a3ae9c969104dc659658d41937c98ee. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEY472180214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9072d682ed0ee036e372536e26fe862c98a0ac1281e84f9551c104b6d2a3db0. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/US83Z2151515.
DEKRA & VITO RAISI Presents SUMMER VIBES
Ghost - Hernan Cattaneo & Marcelo Vasami Remix - Mixed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78445cc0152a657b553ed58b0c0eea8b202e22482dadda5e4cef4cfdfe062358. 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/US83Z2223463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xced22dbcc2e004bfb4e4adffc6339f1da55bcb9a1fc5b2622ac886274b907ca6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/US83Z2334955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8773c0431a53ce4f199c397fa9878a9f658c2e95c124050587da483b79c8455c. 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/DEBY72000338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3923186dc9512fd4479217d4aa98c7e3d59602c811df0931b86ee7cb8eda407. Chain 2 (Bitcoin): anchored in block 960285 (2026-07-30T17:26:40Z), 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/US83Z2214490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x306ddd3990dac5d528cfcef28fe6625f07d565b7876595f2a8571702587f2518. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/CA5KR2314253.