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 0x1611f0a5741c888b6e461d0baa4668b12908a1002387b5587ccfbfd9eb96ff47. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6418ea24-c7d8-4539-80b6-43f749838255.json and https://artists.proofprofile.net/proofs/artist/6418ea24-c7d8-4539-80b6-43f749838255.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 0x9583d471c0f190ac5513b1ace0c5330508ce91efa291592b37cb4fa8fc51314e. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZWFK2320599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec0832afe52f564f3973e6eb8d2a36d2967f6216f01eff14b6d5092121dfaedd. 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/QZWFK2320601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x405d93418c1ffbb90e0c111b608da95be6ef11dcfeb5125ab3b796cacdd14863. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), 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/QZTB22327007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f8e9412063d9755d94ab4d948a4b3dfb71a1b129c09c5270013ea73d3a4840. 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/QZWFK2320603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957a76d0e6d7640a3f331d54073c6206693ab6e091ec298f830c515fb74fb93b. 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/QZWFK2320604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x199b3960a4712191928c62ecf9f08b945dafd6840d05167463aa28bbc3f74eca. 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/QZWFK2320605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53cd4cbc7def3eac71aa2d31c986b7f19033fddafe65b3ddbb75f47424ee308f. 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/QZK6M2133593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25244b0c97d8da9664c2b19087adf0a86eae4de23c1bf2a7291597776b1473d7. 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/QZHN92431670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e428e5d5fcac2476f5a80300ac0dde4c9a02c0588fe143f3a65ccf356e292e. 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/QZHN92431671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ed31a0eee98bf613726636be31d8385acdddac94ba7d82bc69fe8419185a3f6. 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/QZHN92431673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f1fec7cec00cf0f8c0926fd59216bdfcf6b17076efabd0cb7fbef881f82fe7. 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/QZHN92431674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a33d440bb93102b9d9951c552b196bcf61486dc35998229f037fc8c52b50524. 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/QZHN92431675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1586e9ef1d3b4aecc0e2d830ad25282fafd8fa299bcae0421d887bf201b26a57. 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/QZHN92431676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d43797f3fa9d0d790c2c1ec43883d65b3a3dbdbe7fef89ec13297a07d1809e. 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/QZHN92431678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9124c590eb0091c7d16ee17bf247e0bd1f62d9ff2db2503d2407f18ca0f99699. 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/QZHN92431681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd37d7ce743b90e9ecff56b13dc4a3c026df449d024df6823b63fd2512b6c1139. 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/QZHN92431682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8cab655d92f3cb0d45c8630ad291555cf2109c7369f6b1a5d4c57a39cfc8e9. 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/QZTAX2496027.
Ego Freestyle III (Driemanskap Spaza Gods Cypher)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9659d4f06b5ddf769e464b524fbc0186eb67a4b608c1a9e4f1dcb68f68860f4. Chain 2 (Bitcoin): anchored in block 958041 (2026-07-14T18:13:17Z), 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/QZMEM2492424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x405d93418c1ffbb90e0c111b608da95be6ef11dcfeb5125ab3b796cacdd14863. 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/QZTB22327007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x156322264788825b8716eccb7431e7b9fa6ecc858cf2ba9c24a4836de39d976d. 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/QZK6G2315105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e814292631c93c5c3e0511ed4c40cd075a6e9d49345508f15f67c59ebe1d776. 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/QZK6Q2301704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77c3ff2e299455f1726ce0b0dafb690922fff18cb9f61d35e5ede3fc61ae3eb2. 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/QZK6Q2301702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f3cc49da838c42b44f05627ad2e2b2c28da5736270872cce6a5a179ce68b86e. 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/QZK6Q2300923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa714f1d8bcfd1726ee2565e3c8ab5532955e79412a8d250b1fbb64369d1dc10. 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/QZK6H2102242.
Ego Freestyle I (Studio Session Version)
Ego Freestyle I - Studio Session Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x831812944662ddd9c0cdb087f0f5b12e63ceca56e24456a310f2997d03f5b885. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZK6N2369966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2208e62bac1daa55c46186fcb340a2e9a3bb0f068342ffbe15c2c105fb9a48. 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/QZK6Q2306903.