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 0x41e9b7f1ea32d720f87ac6f250d2124b56c3977bf406c0494cab04278409c998. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5e62d39-ef47-460a-a093-ac632c76a8ff.json and https://artists.proofprofile.net/proofs/artist/c5e62d39-ef47-460a-a093-ac632c76a8ff.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 0x09c6ba7f5098f5b386139739c28d636b8b3b08c142486a201c5a8ddc9e6e5e9c. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GBEWA2103441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8e894a20a8390318cef0c86a919dab760007cb5bc7d691bfbf8eb0079ae9042. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/GBEWA2103442.
The Anjunabeats Rising Residency with Dohko
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x458b9854d0d26faf0d7ac7987a1b974434e68d6c0b2c92a2cce27943c13c7599. 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/GBEWA2105801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02078048c760b2e248f08748760be4cd67f451230933745c6917f4aef5d77ec2. 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/GBEWA2105805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc86a79bc32abba41f33953708aaf44100d428501f409cbb7bea3cd4d599d2cf4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBEWA2105808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a9bf8fe7309c86003efde2a42c84e02609b9f83a269c98f1dbdccd22196e81. 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/GBEWA2105810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99660e0022e8bc1a06416e7f879c5c1ee4701c98025aa97473f7ae9296fa02d1. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T11:24:06Z), 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/CA6D22100778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21d75f75dc090090fe16b2a27e69668d58128af6626c87524b2a65c6102110c5. 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/CA6D22100884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3124d8758e42e3b2f1e250442f85ad5531a19bb074846699f5566ccac1c6fbc0. 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/CA6D22100885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed14d4b8d0f4925ed4a2c587f10e2b12fbe2846fdc0854c2d31fe28dfcbf5a2. 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/CA6D22100886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x149efa6a0eb51de2e3c21c694b5607f62224c8488b72c18c65556b82d5ba39cc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CA6D22100887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7f99829fdf9b86f12af8dc5fd81df1bfb1fc9c26f516d209e539f03a2d73187. 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/CA6D22300103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38573f4c2fc4d95333c01f66b6624c5d81817fbc5398d73c65f15cd46e9b7618. 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/CA6D22300388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f7eb8df1270aa986f9fdb31793e68e9246a611cafab0f1f282a58f4de2efc2e. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T16:16:18Z), 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/GBKQU2400559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee7158698981e080bfe40418c510dbaa5b6eb87ec9d0625e7d15491d38a2fcf. 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/GBKQU2400560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a866197905029ba811c06716116da65ec66ae13b88dfb7c3ec309b11866de12. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBEWA2402060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526382c8d2f607d6947b0013c94b79e9fcf8dc9fcf4de901b1fddb55d95cca9e. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:06:18Z), 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/CA6D22400125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01cb3f2e0e383b4e219760409cbf53bf35c0e1dcfbe35f511997c2d565a05e61. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBKQU2564039.
Coming Up (Hold On) (Tritonia 414) - Dokho Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0027dde11b1250e876bf54743ff0f346d82ebb14178e866236d4142f735479e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBKQU2313232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e944106e10348b1e8c8e9037fc88bea6e0889657c30828e26834fcd415f738. 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/GBKQU2305152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49caea0db287e4b92771e2ab524cb809817de61ea0ec38976719de24a453a46e. 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/GBEWA2402756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0e6c3f67ac6eb5742379a7a70dcc1ed9a800bbff2e3f73101f39246fbc99214. 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/GBEWA2402487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d42801ea1a07fc90f3769b8aa3e85a330431a5e9bafeb955db991818759dbcc. 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/GBEWA2401898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a44d3804852a1d326f3201e821c582fb3d021c77a1b5d93d099911b500b545b. 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/GBEWA2401899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4515f63ad1f07b32cbae5ce975115cdeb7d3cb8fdd8d3e553e21d50ad45bc204. 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/GBKQU2413747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d134028c92100127b2c81649fa694591b5f00611bafaf6049fc5524d804a8d2. 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/GBKQU2411665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa371bda0304e59ffa0412c444adc3cb38d3f3d880cd4e4ebf92503b2a57c9da5. 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/GBEWA2304670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf87055764aead67b632f4ca191bb71f5932375287924752d556c1e8a1575771b. 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/GBEWA2304673.
A State Of Trance 2022 (Mixed by Armin van Buuren)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d4297939ff0c622d7e9a6b29bc1eec83c346d20104401a98f6e01e4af20fe2e. 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/NLF712202949.
Coming Up (Hold On) - Dokho Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb044a58159c816edbb2265802403db0e340ded0413ee1d3e2b75b1519674d4a0. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/GBKQU2305153.
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 0x50d54a74f312515163b675fdabdb0033211d375b1e8c91f1633f4f12bf10b855. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBEWA2402348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc61ee2a7fbe2bb851e83b4eb9753fa5304787276b1370f26350da4e0eae85c0. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/GBEWA2401900.