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 0x6a0773db74a81132a981deab86fccf77a4bf6d4b50a7d839cf5e3b63dd2dd833. 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/785b0c25-5bb1-409d-b24f-488cec163e4c.json and https://artists.proofprofile.net/proofs/artist/785b0c25-5bb1-409d-b24f-488cec163e4c.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 0xf211dd73be17ecdd3dd4e0980d0918b7e5abae50f39d83719aea49d9ca5b4821. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/COC012337905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f6ab099b7ea4179f088ef623c11697d9419042700d0b0148c9b1d3bb6f7d18. 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/QM6MZ2062578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95950e360d0ff40aa45ea5cf794bc91812771cd3db8a67546623cfebe48f145b. 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/TCAEY2076006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd7a30bd2ed5b6fa331588b43ede3d0f5579d080462fded45c8b82283dcf4cd. 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/GBWUL1935471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f01a8341ae10315d0e12605670588085aafbd19b15ad6a5b3de7c9f9ae8a0dc. 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/USJE61811017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe051008602b354d3ee439d7ecfdf61080dda15f21e5d5523121f7c7f8c067c55. 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/USJE61906000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a9c62c13de676d654e25488a0f0349e31158b2e91c0bdc98987d6d4785c2f0a. 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/QZ5AB2481287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6720c6aaab7dcc8e17acf7a862ee6b90391ac3267525db6e2ddbd23e33116c0. 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/UKXN22359766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6edb42d80113be803aae5dcf1d6e0ed4624463dfc0452ec04c8dba685ac3e89. 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/GX3Q92382663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe648560b149933499d1aa13027d3152511db2c2c8145a216e646644a5b20df34. 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/GX3Q92366536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd081716df78d17ce93dbb8ae4a009fe2d7d8620e3f856f092d411e9dc740e3e2. 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/ES71G2205701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x250f16e9bbf34eccdc56fbe9eb034347674883d56a713c96b2c95d68f0432ddb. 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/ES71G2142079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x997958f41411a64c0780911bb0561ee3c081e9ec6b685c7eb1d5a7c9f573e52a. 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/MXF152100161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7449fb72877a8ff56578d5e12e61725361971228975d08a81a0d74a755754d08. 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/MXF152000521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51756dfb03051838dc2ca0db099135dcc4acd8ee5983382cbd2076049635cd73. 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/MXF152000437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x123ec476997ca95786e575937be35ee440fd3f3ac2ebd171f81c5920e25e025e. 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/MXF151900431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda216cdf98505af0a5500dfbed5f92d709c64e97be6300f62740ba156cfdc1cd. 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/MXF151900352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c4889dade32a23bf6e0672d8e05e7e0e8d4f0ea25dea81c00ca67ac70200c45. 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/BRWMB2000846.
Malokera (feat. Ludmilla, Ty Dolla $ign)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf48ebfe4f94c0d992cbe698b1b009e723e912bb2cca60feda42b211b0812e4. 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/BRWMB1901342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f2cbdd2c5a4f08b984ec93b963d88cf50dda03639b2c77c64b64488e2bc806d. 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/BRWMB2000851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2acb2efd41deadfdf4d2d94bff9dfcc1fced47ba851b3d9b85aadca647dfbab. 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/BRWMB2000762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe051008602b354d3ee439d7ecfdf61080dda15f21e5d5523121f7c7f8c067c55. 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/USJE61906000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04f8595e528a0297998445246b49369b85a599c26db203e1b12f76e3b499b112. 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/US7VG2336746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x228766e19e273914513b757cad7b4839492068f73d76ebc309a556a0eaf45c94. 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/USWL11700238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1effda22ba6c6e54af11f421229eb072fa3177f4e8ec63157ba7cfb994d58f2. 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/USWB12004920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9425dd1de8d78f1797cec4b943dba3a80f223e1bfab0ab87d1158384516c8953. 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/BRWMB0700761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ccd5aefbe846d4ea7bc9bb638176b765a5fd7ff3c9391f634f6da8ba6cf0063. 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/MXF151700767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dd9009e975b234552f9ecef0d09835495f7e67235e0f626e45f75c49d2b6e19. 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/USWL12000298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4258bfb27828862fcad0c5e5e5c394092e2950ae9a12d8ac347d04ba6b1199c9. 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/USWL10700405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x871fe6e17b51216e7aa24c05d3bc5b3e640d4662a148553f0d8ff423b3cac326. 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/USWL11600243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3443adc05643330e47d91ca48040182c9a074dce1c9b2761da6891b8256e7ee. 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/MXF151600157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x962369ca050ae102bc387906a5d264feff0e5cf3ce22145ace0d1cb4d461602d. 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/MXF151700465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a91378d88b9fb0442b16dd7f10b41dd359cbdcd9f0b703aa60eeeb1fb8fa3ee. 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/MXF151900404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6cc5cf305668257542f4d9c5bdbebdc1b69cacc131cf75e1f70123a9eacb80c. 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/GX53U2401938.