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 0xc316106e3811790e6c7ecef79efd219a6e6e6d6ba02b820001ded9d0df34b434. 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/20cd483a-2221-47ee-a162-2c3f58d60927.json and https://artists.proofprofile.net/proofs/artist/20cd483a-2221-47ee-a162-2c3f58d60927.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 0x3cef09fea1645ecf37f267e961308092024f225d648fa26352470dde6c316b7b. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/FR6V82633884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09f41d22c8a95583567d722e022578e10b620a85b3e7b175e6a612f6df0a3a5. 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/FR6V82633888.
Confessions, Pt. 2 - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8778fb421b8db59c55cd3d2a559ae576a191c9166feebbf1d9724dabad85199. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/FR6V82633894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0c0e9505cee5fcc95320639afc7a5ac424997fd7840aebdd47a5aed5f1e3c1e. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/FR6V82633905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x315929fc21055a2c0bf88bf86c410fcba3e43797879f9648c44c57f5c26939f6. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/FR6V82633920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe4ac5b15274d3c3af726e24a08d77b11deda2189315dda5d361171ab0f2a2d5. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:19:29Z), 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/FR6V82633815.
Bandz a Make Her Dance - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab05f9ccdf348effeb91f84cb9261d7bb9c894d8d66223e4a37def90e4fee7c1. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/FR6V82633818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeda307f44932a0d762d87f1ca0bf1d0b6e6bc5703de54cb4afca20db3400de03. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/FR6V82633828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d8e0d12243f962a2975397e7b3cea38b3ff165972910ce26f8c74509229124. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:59:24Z), 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/FR6V82633829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61580203c6134aed0afad09c491c1016f5f71a343d94a9b10b209f5710c995db. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/FR6V82633830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x804b25dc7affdad8a8ac2b6c09b44983dd05467b2cd024da8eac0619cd6d2be8. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/FR6V82633835.
Turn Down for What - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78bae856173a3bdf9869f0c942b8d8ff888708fe0db4e77c89780d3a0f289890. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/FR6V82633842.
Ultimate Old School Hip Hop Instrumentals
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8e16a590f9e88de4083662c523d2c79cc8886da23f451854720ecf5aea804e5. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T03:48:21Z), 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/FR6V82633794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d2b3d7f6c94b09477b8371b1bf6d91b405a31241c012e48f25a9d342bd3fcc4. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/FR6V82633795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98652329e7c8c7a47f522bc778a712476858f0b0f52575ae332f67dca524153. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/FR6V82633802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x766e318e424913f369d8068c38b6f44d8923cfc167477f4857dba37d3a36dade. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T02:35:53Z), 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/FR6V82633849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8025bf971190a2d13f74f23463f2e35703cf925feb9d6905afb5480864eba4a. 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/FR6V82633859.
Work Hard, Play Hard - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2f4c887885f765504fffd5d20c82ad0c4f3af4c735817f29b4b2b671cf2ef3. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:49:57Z), 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/FR6V82633878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeef47e53e4be52c7b62bf15e5397fb25ba6c92bdfa05e9e9338d9612edd38cd0. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/FR6V82633883.
No Church in the Wild - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aabb59259d0e03920914a2afb4c0fc53080e53b3feca46c814056b6dafafd5b. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/FR6V82633761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50db2585a070af76e2a9c4aafddf5365c3f313f7bda8a4d4cf3a977bd811aed0. 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/FR6V82633765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaca08b9d0a9a1eea0d3839cf5ffc26c52851ae1ead27cbc8907bf5ecd4bf527. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR6V82633778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x550698cced30dc828a36624a8850def971677b5d179e956b46c3c4b1c29bd737. 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/FR6V82656542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4810b9f27983b8d814df30c1e4ebc924860407bac6f1dff32fcd556e6f8dab0. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/FR6V82656545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x036e89301b1a856ad49c8575e543c14df88418a1d2ee36c3577cd40729326327. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:53:07Z), 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/FR6V82656556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c509f294aa18f137766aa2be57c6ceea5e08590e766118f4b895a7ff6bab263. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/FR6V82656487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2886f1c7e00b3b7155dc1eaaa92690f3ceb326ab9f66eed9e502fb99e484ad3a. 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/FR6V82656505.
Teach Me How to Dougie - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d7a06e0ea4318245b7aa62c48a5f1902e2efc34d26c2a2a42f518ef8b3ce68a. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/FR6V82656510.
DJ Got Us Fallin' in Love - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3529b6386dfce2642687c7018bf1b3eeb2f288f3b59aefb5a46c0c21e9d3ee0e. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/FR6V82656447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc0393bf61105140dd6a90db5fe464acab15f89032671a5b70419dbde9b9d312. 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/FR6V82656450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cb2bbc6c888f963294e1c2bd98e42f1cf636aa1207d97ae4a520aafb89350af. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR6V82656459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92eb1d329c62d8f41d28785a29e64625614abf3e88f637e9495e2c9c9666b1ec. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/FR6V82656574.
Party Rock Anthem - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bbc677a31620df8b9b0367b1e2023477c464c0377b6abbeeada44b8734a9ac. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:30:25Z), 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/FR6V82656577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7471193b2e01710f7356b8cb36cc2e8cbf2ba47ab698b84cb86693cb11e08ac7. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T08:10:41Z), 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/FR6V82656583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92e3b6d3dd124c6db5290661ed457e75b3ba859bf2dbce9f045e50e58bec655b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/FR6V82656588.