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 0xc2bc897eda5fdd3d5685853b49b32375cb080561071882202cce233aa628f25c. 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/fdaf4730-46cf-4259-adcc-243d411fd74a.json and https://artists.proofprofile.net/proofs/artist/fdaf4730-46cf-4259-adcc-243d411fd74a.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 0xc322bc26961a1960fa89c89dfc6ca8a4a992c66717bee23d9e235dbcc783e53f. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/CA5KR1569875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3585cfd7e6fd87aab0b20d19ba88be84c10450605fc5b08ce55b6f76d95b67a9. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/CA5KR1569890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd2c435c7862b29be22becce6adc5264dc483384d41385ec1915f793ce9102f9. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/CA5KR1577077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90cf51c04d696eb45ec0183ba6739fa14e48e34717f5bd7544d8a07edeacd14. 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/CA5KR1958658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85085a1b291afc4120fc3fa455c8f802ad6ed545203d9ffd719457ab2400361b. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/CA5KR0023505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fde9c226c1bc93ca9ef998132cc91306a9472a8f515f91eed472992e8ea7652. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/CA5KR2208493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38ae4282f3fb4c8ca94fb523b45da01f01833d214c7a596ce7a04f5dbdf069a2. 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/CA5KR2208494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd910dcd6504b8f5a6fa68f07118a3c601b1269d541293aade7a5ef51edf20971. 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/CA5KR2216107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d27f6da24b853817434aab8957160fb4e4b783576d4323e6a653b5c7541bd84. 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/QZES62346550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a49124dd0a9c2f5373c60e087f893264d6800f9eda299a6a097cb02209d8bd. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZES62346551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4722d278ef30b802c2b142a1527d420c181a9e75a14c230ca33bff5e3c9471f2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZES62346552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7faf2ffb965d4d94294fe95cee63a01e3c06c93514d53e28412676ccbffa546b. Chain 2 (Bitcoin): anchored in block 959109 (2026-07-22T10:17:26Z), 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/QZES62346553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07e3dbc1dca4e3f1c7972a9039e87bf966c3d70d9eafcf619eba253a09c79355. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZES62346554.
Check This (with Kuhlosul) [Chibs Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95375afaeebcceda0e83af154c44dd7ca6c7cf46b045834f37eee2bc8e39ef46. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/QZWDD2314789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb8b73a2d50c775bec3ff5ff37f6df65bcd40da0c3355a1d066d7e1ad12caeec. 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/CA5KR2363172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee55404acb4e74c61ea5fc8bb878db31373b843e6523614d14e395fa30764c72. 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/CA5KR2376723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc639a75172e169db75fe9e3318bccac6da5a01ae9cbe5abc6e198ddf9cb28a89. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CA5KR2437482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79c1a81c7baac3383ede0869a739d62cf1611b5b44744baa255f17814ca4bcb3. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/QZTRX2475137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55cae42b4853a3d4d3cc5dc391e9f715e3132039dadc454ed932203b568c706e. 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/QZTRX2475141.
Wrong House (VIP) / Menticide (Chibs Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe083362dc38952d3100186fb7e156288fe673bb5bf807fb460040662a14c6c07. 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/CA5KR2461519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8257453edd2b9ec456f9d1cc1df7daab8e8b8a798b2a7b0a2f6b20078fffdc57. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/CA5KR2490657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59e11f96df0ca3f464faa319259ac486f9c5d07ebc3b69f05c080b4e4696826a. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T16:26:56Z), 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/QZZ8A2550734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61e0c7ba3c50b98a72e13531ef4c3a118a184deda34f6e7291e4381158216cac. 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/CA5KR1946956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5fa2272e258524a360af260ab039e51696a31d00f9c290752c154ace59f0b5. 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/CA5KR2099380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6e97224ae5e43fbe92aa37fc5ec62e16d92d3ed0f94a2fa81e4477b3814f1fe. 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/CA5KR2099395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61e0c7ba3c50b98a72e13531ef4c3a118a184deda34f6e7291e4381158216cac. 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/CA5KR1946956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e85780fa14eff0bab8057ada32f38e4411d56c00f23715a36c3650d6982e62. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/CA5KR1946955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5fa2272e258524a360af260ab039e51696a31d00f9c290752c154ace59f0b5. 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/CA5KR2099380.
Check This (with Kuhlosul) - Chibs Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b4691671c1c9ef6794e3f381fdf602f18475e102821654247d2dd371f772d17. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/USDM32353414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d510e6ae0b7b1ff7193e629ba6fd8cfef645cc59e50450726cbc0e04e4ce57. 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/CA5KR2126558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc639a75172e169db75fe9e3318bccac6da5a01ae9cbe5abc6e198ddf9cb28a89. 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/CA5KR2437482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd910dcd6504b8f5a6fa68f07118a3c601b1269d541293aade7a5ef51edf20971. 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/CA5KR2216107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd785565f82d5e983d3821b0685df169f3b1598d4466f05db81f0035e68cb51f8. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T16:50:55Z), 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/CA5KR2298403.