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 0xcfd418ca3d97189e490358f7389cb7d9c5b3141826f520bd3377378f8b27b14e. Chain 2 (Bitcoin): anchored in block 953660 (2026-06-14T17:20:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/53438200-113a-4d79-b79a-406ebf7318f9.json and https://artists.proofprofile.net/proofs/artist/53438200-113a-4d79-b79a-406ebf7318f9.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 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 0xf46a330bd7a4cbef2b0129fe377b401f24f3405cb17c8ebe20ea9e834f485ae9. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/GB8KE2323823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc74ca807a34831b475b5086064901ba26bd511e9e7ba1da9c7f0446bc94368eb. 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/GBEUE2200156.
Nice & Easy (feat. Gardna & Nanci Correia)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e01a29702332fc41e7215feca70c05afdebe3e52c75a15e0171e17cf0d9f4bf. 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/GBSE31900247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9794c06a32c24f40996553b0061e94136ab5d4864af2312682e4596109ae006. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBSE31900244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9703fd1ede7f3548bd42d414cc4ba0145d7e4531883733eb79a0e2638a221aa. Chain 2 (Bitcoin): anchored in block 960173 (2026-07-30T00:11:40Z), 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/GBSE31900250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa67cde2e768cc7836beb8316c8d1385636316b3ca16dd60e9956632f3702b17f. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/GBEUE2100128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e01a29702332fc41e7215feca70c05afdebe3e52c75a15e0171e17cf0d9f4bf. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBSE31900247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54705402e04344e2d87ddf779529bfa2787531bfc0034a0a268c415707b8c823. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/GBSE31900280.
High Grade - Selecta J-Man & Kelvin 373 Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71f917600cd15016e37a3e327c2db399f14674b3b6d6293ae9dc74674c7a6a07. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/GB5E31800221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a6141851e46d4a658a09e5178663e614435bb20bca2baa0ac131e02e2aa16a6. 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/GB8KE1852691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26c9729e201f19294b8010144e398718fa2a10d0e5bac76172196114602ba519. 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/GB8KE1852692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x146c323c5acc1c44ecde9211b64833982cd97f6efc85e8bfabe4d999ec953856. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/GB8KE1852693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2229e58a007dbadb08f296758db2342f722347cda4c6a3ad72cdb29da848f73. 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/GB5E32100353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f69a852b3be2673daf8fb2e27cdec33c87717a539263cfa772a2c58bcd08d6e. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GB5E32000303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb99d9cf4f7bce8e70cfefd8a74ddbff8025eac2eeb347b417b80eae854b44247. 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/GBXWN1900230.
Dance a Gwaan - Chief Rockas & Kirifi Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9205aa5a2fbfb39b01d16387c58811aa5d74f0bb922358331bd1677ac8b0093b. 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/GBXWN1900240.
Settle Down (feat. Exco Levi) - Riddim Punks Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bb918402658c55835bef93a9e33d8ad02219970f87c8051a5fcefde2298b796. 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/GB5E31800227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0eea69c21f70e6a2e6d4f5b448ae15dea08249aa22165c667432ddbe5c0fc04. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GB8KE1855664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7073fc0339e184e4c42b9ea19abadb87e6640e4b4d03cff7df7679c41f9def7. 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/GB8KE1855665.
International Ganja - Marcus Visionary Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb0b61565d99582dd10238405579a6e1beaee40c8ece972759f3e06354b0059. 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/GB8KE1855667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26936b4d08dbc87f642db9ea47d9c8e694239b1a02210c4c91b0e9b3964b7033. 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/GBKPL1802019.
Feels Right (feat. Lorna King & Gardna) - One Drop Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1792dfcaa7a60fa588f576ca56551a8c52f5aef885c72d882c5b3fee0fcd2eb6. 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/GB5E31800224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bb918402658c55835bef93a9e33d8ad02219970f87c8051a5fcefde2298b796. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GB5E31800227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1598f0773db2658d209a2144fcfd5b9f12d852e25e04f021b4fad72739222fd2. 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/UKKS72000024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52ee0a94bab84288d56b7c21ce433dfc8d0411d61c5b6ba1dc79a95ce47683ff. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/UKKS72000027.
Totally Dubwise Presents: Riddim Up Rewind & Come Again"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c7be46c9c70409560ed0c2b7885c4dda34a9adba956a5223676fa19acdd3191. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/USLZJ1683146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1488e6e9f3a6c86dbb6908536be339b0812a9a73ac9b3986d32851c8ac4b7677. 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/GB5E31800216.
Shapes: Pyramids (Compiled by Robert Luis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a68ca0e565f872007d8bc1bcd4ed3386d47f4ebbf7f95e639c2f0b27e76aae9. 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/GBSE31900271.
Shapes: Collide (Compiled by Robert Luis)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7416d45da20c522ae3bc12edb14208e896c572373a2a63d6f6c0384c3acf226e. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GB5E32000332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f5f62ef27396e36825042ef56f0fd4784c6510000563394c183c2476bdc5648. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/GB5E32000334.