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 0x9b37d10fd1cd563483ecb45cc548e9426e179aeccaa5be853fc483aa624b9d5e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1349abd7-07e4-42ae-b404-c4bec3dcb575.json and https://artists.proofprofile.net/proofs/artist/1349abd7-07e4-42ae-b404-c4bec3dcb575.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 0xac509b325d32ad666235b6f4e349434a86dc5c141d17460e8a38b90e3d3bde1e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USRC12000925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f1c71312bb14ddf66022cec5c50be86dcd17fd399d919a8e23a1f826d3f6d18. 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/USRC12000950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf60fea070b53d5f6ad701fd201dffc030803e27adc4833c8322ecdd25b61357c. 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/USRC12000951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbffab69cdd5bc2f0d8037b464171652367963983a40b3e6299ab1127cb966f34. 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/USRC12000952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2ff0cc2a6c7f01854bb92164d090e46ec9d783f127da7aae4b80544c57aabff. 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/USRC12000953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2017cb4985526e178d1605ec479cbf15516c3b2739aebf7889b01969e69d01e. 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/USRC12000954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4e8d34e88cdb71a5e3f5b14cf15858aa77365fbd4b2456724bf0e601ba990d5. 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/USRC12000955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e2d1c700fcf0c667302c7308e3b317c44b6d55393b63b60f1bc16a692515108. 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/USRC12000956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x006a1710ab2943b3a8a50d4f24145da12babec999738a60f6a5335fee83806ea. 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/USRC12001051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x228b4fe6785eaa53f34fab87ecaeb1e4e0ebfa88a8dd63285a5c10815242ef94. 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/USRC12001052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd863b4c0a257e05aa23a98843fd4996e13c61db40b8e4dae5307d5e24540ca15. 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/USRC12101663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd856302f8473449b6c1b2a68aa3176950bd8e85dfbef9bbf327860d9b222105e. 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/USUM71909000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd856302f8473449b6c1b2a68aa3176950bd8e85dfbef9bbf327860d9b222105e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USUM71909000.
Made a Mil Before the Summer (feat. Bad Lucc & Kent Jamz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf13a313b303aecf042506c7cd368837cf8aa31760c67927674bbed7b5b251cb2. 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/USUYG1045317.
The Love That I'm Giving (feat. Kent Jamz) [from Insecure: Music From The HBO Original Series, Season 4]
Insecure: Music From The HBO Original Series, Season 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3cd456e20ee68a9f647e83a3777b8597664aed39143f34a03e4f6503deea680. 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/USAT22003432.
Neighborhood (feat. Kent Jamz & Nick Grant)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70589a121e6b575576b48e5f9916a8aae13f651a13835a89e200d011db4c070a. 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/USUYG1343652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14043c522c054a6edd2af54736b6fd97ed15f4653d22d9c00897f831e96936fe. 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/USLD91718558.
Talk About It (feat. Kent Jamz & BJ the Chicago Kid)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6fb13b8d43f180375f795eef9d78225798be42ff3ab3a4450ddde90145d6b36. 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/USUYG1529170.
Link Up (feat. Kent Jamz, Bas, Guapdad 4000, J.I.D, Ari Lennox & BJ The Chicago Kid)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225256a16fc4eaa2fc1c872101eeca6fc0c071ee7219e72133bbe14029b9e23b. 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/USRC11900101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac509b325d32ad666235b6f4e349434a86dc5c141d17460e8a38b90e3d3bde1e. 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/USRC12000925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2122fc937f885f500d2d5ae1ebebd4d78b83a063d25051742e796e109b7626. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USRC11903350.