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 0x2e4e0ff589203802e1c6f4d5b42d6e915a28764cd71b81a50ebecbe56944f12b. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ed825dd0-42a8-47ef-939d-36a745f51bf0.json and https://artists.proofprofile.net/proofs/artist/ed825dd0-42a8-47ef-939d-36a745f51bf0.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 0x53dd546e078312df27d5099996cee74ecb2614cb6be4b5aa7f37350a732b07f8. 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/USUYG1112725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb58967e5e4cd6430d333cbe7bbc1aac4e7867e3acc0e91ce986c6337e654a69. 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/USBAE1202133.
Struggle (feat. Jacka, Fed-X, T Wayne & Young Lox)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67b642055be4ccc83bddae5dd2b2d04334725241ce35d383f036c1036220a358. 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/USBAE1202134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb67b4ac77165566e4038f46a836e3a72100b015a745fb92d465292a4e6e5ff3f. 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/USBAE1202139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c6a8d8451bdeac3c23cb931d9463baa75f46a4ed151cfde21a76acc9044554. 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/USBAE1202140.
The Jacka Presents: You Should Be Payin Me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a27b320fe64d33fdff9efbca792cacdf2f8ab2bb797fcdeea0bf2970b18cf8. 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/USUYG1005429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a17aefa513199d378acb0ec4264bc35104388ace32c56a1a59ab7390f99113. 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/USUYG1005430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bae54b4e4b521ce1464729737439a14eef5a6503c2d1031662b53ead8cf7676. 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/USUYG1005431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9314a5e2585344d9a95f8f7fdeae4d5d56e752614b8217a68b8d3ffb9574b859. 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/USUYG1005434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4b0a19789c6aee8d24bd98496ba7fbbed48bb3473d595547b6c337a38aad9b1. 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/USUYG1005436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45223a69ba0f3544d1e7c3b256bf4f5314de6a98f0bd238084e41121d52a48b2. 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/USUYG1005437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x026c1759e0068734c8aa76d4d0123d8b69701c24e77e90c61076f83e6f9812ac. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/USUYG1005438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb163ddb9e06bf3aea743c4c36e05bfefa97fe6d870cf6ebc8e7f4fb59361b1ab. 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/USUYG1005439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb457ab949a1ec821bcd8e3ef5a3ee5e493c664c40e956d6dae14fa0e0caa4b1f. 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/USUYG1005440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58615de9440dec4c216267b95336f9b5d324e49024dde37bffd46d15b46b8a88. 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/USUYG1005442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb6eb58278b3641ceb5b8910ac25f915668cd921a6c00ba93911a5ba97881dbc. 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/USUYG1005444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4114f5cfc8fdebacc46ddb08214b3c9e487ee9a334c8687d180701c1e1e705c. 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/USUYG1005446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab68ae8e64bbd8d1829c11f6a8af1bc1a460dc03f07c32016926fd3ab16ff9fa. 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/USBAE1318324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bb16ffd92052f3d4a3b044e7015c1c91202b09207f0bd590ceffa21dca3d9f8. 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/USBAE1318325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ed703f622fb3322b2a2e7d7df9fc20c71ef8b64940dfa3bed5fd5076bdbe23. 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/USBAE2206307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d3918eeca91506858d6e37889e88784dad44f683e260286bed8b15ecf27fe38. 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/USBAE2206308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa76e138fdcc06b35b3f4f6d51adc99a03948c91c67d7a0f7b0ab096f3c2281b. 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/USBAE2206318.
Mob Ties Enterprises Presents KC2AK Vol. 3
Couldn't Believe It (feat. Lil Rue & Sleez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe671ada4ee133523d83995378c5af6ea7634bc29660ee4de06c67d41859dfd69. 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/USUYG1199680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28c8a96b3deec6fab15667426ee1624cda4116cb1cc81dcc71a47cc73ef6a342. 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/TCACJ1594552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5c77ce3e11581c1742a19aea19c865efd20eb78413afd1d9cfc6609312ae54c. 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/TCACJ1594553.
Ain't the Same (feat. The Jacka, Street Knowledge, T Wayne, Young Lox & Paul Allen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7ceabcb43b6e6a2d79265bdd9206a1ce14c785bf3d53b97c75646e06368fae. 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/USUYG1199665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x511afb018fd78d1df0e3acbf98dfa9665667118fc722c5a2943ffd60c4503ed3. 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/USUYG1199669.
Iller Than This (feat. Fed X, Young Lox & Street Knowledge)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21f21f63234a80ee25f5d312b4aa29590add88bc1edcfdfbedb8f03570fbd0fa. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USUYG1199673.
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 0xc12109eb44be2628a4d766fb6ce43b1450196b7ba7b9fcf0c197c5e996217bb6. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/USUYG1199668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab7f47c296dfbf04e24b07fdf56685afe5dcc290c6ee16a5fb8858df91b7181. 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/USUYG1502782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1c6453bd5416444f0204700afc80c31589f67dd87b94e4965356d7371fb5d6a. 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/USBAE1311204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8e855edea7186eb6339e69ec77a1f679829f86b0c34c1b1452e6b3e26b80671. 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/USBAE1311205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ceead6e20d808ff058388515d5ce53981839151da116ccfab9d45f0abf7a7a. 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/USBAE1311215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e88ecbd16b4c10c63447d70c045cc4875d95b2a367a24b53143a695dcaa09de. 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/QZNB82505459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x569f8252f8e40f879693120e041f9dbad3ffddf5ee5bb3c73953ad1e6204a851. 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/USUYG1009008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd00e8eaa5bd8f1d0c732df5d7e7471136f53ac17a828f88929a2ba6e48846bb. 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/QMPKX1801128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d257418ce8204a92c55c108d916dd7d8418fe54e3e0ff9628006e96356b6e3. 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/USUYG1009197.
What's Understood Don't Gotta Be Explained
Ampichino Presents: The Definition of Dope 2 (The Overdose)
Blow Money Records Presents Real Nigga the Street Album
DJ Rah2k Presents - The Return of The Bad Guy