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 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 0xcbb4029c359e893a2a464e113afe0822e343c23189f9876229b33bf68f6f573e. 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/f6f99b6c-235d-4110-b07c-2912494a4c67.json and https://artists.proofprofile.net/proofs/artist/f6f99b6c-235d-4110-b07c-2912494a4c67.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 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 0x77e842b7c93af3c91c2f415d58a52c4cc17a8b618964c883568ad0cdc0fb504b. 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/USA2P0614233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27fae458070397bff54597f9160befb75a627396f138b6ba7e42e8ab614e849a. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/USA2P0614234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44dd8bfbc8193bd6727da4035263a4424204d516f73baa8f6d371030e87334e5. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/USA2P0614235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf15e0a58b4b2e02262357debb516ebe69024ca346579ac2a2db39816aa06feb8. 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/USA2P0614236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e3fb4e18a510cdf441f431807b991d53d9bd315e791fb3c52cefb30c3cfc71. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USA2P0614237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8887482c03353d7ce043fb014d5d90b058af1a5bed6c842098b17259557a9d95. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/USA2P0614238.
Nuthin But love for Mr.Cee - Feat P.O.T.R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9415180f7db313355a1bb7f8e843ac5dcf44573c07c84aefdf224d8fe765b23. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/USA2P0614239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ce3d7d84107cc55415320f54563504d5dba6299efc0b0ce339c1c0f364c35fa. 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/USA2P0614240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811015bc135e3b0f977266d175bd8e9d4bbc0c8d422bebe5987a8c8a784d1fd9. 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/USA2P0614241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c0ac3195704a41bcc8f344eef96d87204cd96a3b7efd8d3c8c35e4fca1f7b7. 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/USA2P0614242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7f50600ab8ef013743eff52ad4efe183396394809a19eea345f50995c193e4. 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/USA2P0614243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5642c7b555265eb46dae6ed44625ac55b8371a79de3d06a8756ef892f0cfc2a7. 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/USA2P0614244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaf38b013cb7d7f160bdd4098da6631cb6366e7fbeeff71c87877f06a832ed99. 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/USA2P0614245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49656799388e296d1c16df38fd12e0fc8ce8923fcaec79e0235ba4b0aff2fde5. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/USA2P0614246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1efb98f1bdb127ca811e34f22d466fb2d02bc1d2b07dd78a58761f84b28f8fde. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/USUYG1043789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebc8751b2a8988946a2ce2864ffa9d488d82b89d67df98879d63bb78e016cdad. 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/USUYG1043790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a00ebf6f622f7851fa67bdcb4fe11f3145e21659f6177d1c3002f4eadf00cd. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USUYG1043791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc91b5da186185d4db71b1dff6f1e0386da29afb7457110fd3c9b2ac0b3cc240. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/USUYG1043792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbc647a21872762b0d0126273fd543447dfcf7bef32137d865cbf70ad62bab04. 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/USUYG1043793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eec333f5750cf40c64d21925f5667e181a65abb89d8227b2f63d6f66f8a6e63. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USUYG1043794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd48c51a8006077e86bed1a3eb8ce9b92ca5dd9e23aac428a97382be107817213. 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/USUYG1043795.
Smell'n Like Kush (feat. Moe Tha Hustla & Beeda Weeda)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1399a52011de8d8ec73dfc147dd295ca55239455e3fb4ef995696bf4d3348087. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/USUYG1043796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcfa92bedfb620980e2d2f9eb1fc4b5473c469c65d514745ce25c2660dd81b9c. 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/USUYG1043797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174ebfe87cdf3b32bf60d0154350f06698f00dac89dd92544522bc2218303b2a. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/USUYG1043798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6701f8af33df8c02f41bb42c89a223bc260dfcd49ed9436420d789dda5d276f5. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/USUYG1043799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0b2590595fceca342b04d6aaf08734364b4d930f728bd0472af619755f3e6c3. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USUYG1043804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0b5cbb0ef4bd0dd7bdd08ffbe9545f24689d0f5a8009936f7cc1ad838f2c079. 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/USA2P0613490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57fdc28143b5725fe86ebbeb271301b131a48ac57c3d3d864e57bb85e680cc55. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/USA2P0613491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bbddd057830a98800e8a91bc43a98448abad57dde9cf591a58afd6b78b0f35e. 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/USA2P0613492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x368402af011faa29912db4600df47c238f944c8bdb1a43326c3ef53080e510ac. 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/USA2P0613493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd84c3353d270f77d9013e0649edb14e3eff0428ae2ba03f4d7cea330390c46a. 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/USA2P0613494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36510d618b4ca77c1863d99d7883b640efb3964a6f2e2cafd70d787495e54ad3. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/USA2P0613495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fbddb60cf062e04a691649ea5c55f737bbc86c423ef59a8901a3aa255c0dbf6. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T16:43:41Z), 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/USA2P0613496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38307c6c29d4e5804a173e18c20201575664e1411d27996a4adb1a451084e2b5. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/USA2P0613497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc84ce7fdc2b27537a7aa214014575d0ab5aa23a727cb76ac7789e325fe8b030e. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/USA2P0613498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x934492c0cb95db071a3162ef87c56c7b32f399a9482d717beadbc72b3fea441a. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/USA2P0613499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aa9e2bb90bc6ec63cc42618d7582076010ca3e00efacb60c0c9e5a485d5d9da. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/USA2P0613500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bff1078c53e8b65e1fc14246cb44b734252f97e584887b7b7c738cd182e5ad8. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/USA2P0613501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43885e112a65790f3502bcef320aa3862d6b9ae7f54bf66b060ea525d22293db. 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/USA2P0613502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa614a6f4cf5d3e116979133415d1136780338f23ea8e72c995864ce63c9fac30. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/USA2P0613503.