Gomma may refer to: Kingdom of Gomma, a kingdom (c. 1780–1886) in Ethiopia Gomma (woreda), an administrative division in Oromia Region, Ethiopia Goema, also spelled Gomma, a South African hand dru
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 0x18537d4e615f53370545780d9fc6ba82d924b2df5f834dc329f642d0c757579f. 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/b016e5a0-0480-4d58-bffd-c804e4beb53e.json and https://artists.proofprofile.net/proofs/artist/b016e5a0-0480-4d58-bffd-c804e4beb53e.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 0x6f7e534ce9f95e40d5b73191a7988548f56a4abb035d0edc0bc322426e4ff058. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/FR96X1633042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f94472d12ed35a55d7e28f9938f0b61cb4ace76b4662510d673ffba264f0881. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), 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/ITQ1M1603901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91497f1b2ab4fee82cfb5591ccb145efd4a474813d1c4f366e1680b1f84a8b1d. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/ITQ1M1603903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc847e6cdc1bb562e223764ff2c8a96deb58a2a9334d5818e4dc24f5544dae6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITQ1M1603906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59291622a34977f2325cdbf79ddb7523f6baae40e8fa6c3621f5447c8b2e7b38. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/ITQ1M1603909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb71a870b766ce06a700103c8547aaef1b8901f8d4967aca17823fd2428b3c19. 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/ITQ1M1604101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49f43b29c11f5830ad3d61d1593d6eec8c10123d340b865be860e495a075ff51. 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/ITQ1M1604102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb84674737638a787987001b63c36c8a4d283133493aa9ddbe7caf90fa05991e9. 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/ITQ1M1604103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x869d7edda6b98dc462c30935535f19bb98529ebacac248514def665c57cc66eb. 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/ITQ1M1604104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64416719b9465f916b6c6efddc880d5c4fb2dbdc95cdf0049a9381c6b855edb8. 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/ITQ1M1804608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb06c2e8d6ae3cdcf2ee9a6406e106d0a2b369ff963e4845ac836de05c5b63862. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ITQ1M1804604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1f251fb09c6ef8969a62625075630894a10a1e51b3c3c1c1d7b5d2d5af94821. 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/ITQ1M1804609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f79437476055844e3095e1b3887ff51ef4c1d26b73e76adc42cf7261bae1f3. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ITQ1M1804610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ee4a4db519f5134f6f0ab06e41ac0b3c2634e9cc16e06e9bc245a4692d7bbeb. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T21:48:41Z), 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/ITQ1M1804612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d96fbef2a8a9795ff78f12c77dee7bebffb4d2064500bfc28ed65742196871a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITQ1M1804614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb070e0dac2da6337047b59e134bb46b9cef9a6ede33f9f55c2d61b52a5a78521. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T02:03:23Z), 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/ITQ1M1804615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b577e39c319886d4afbe236f9718afb93cb366382e28db8d97e7faba3753249. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/ITQ1M2021003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2112e5782e13d4467aa38c6b44f3530033b50e25a15ef2d73b3d59b92ec2c4b2. 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/ITQ1M2021001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2cabc9ba61a755d294a51e65c6ec4ffb63a60a61a33747e29c8bc5b8439e40. 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/ITQ1M2021006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x619b6029cee61f3857935b1aca9911e9cf1afaa1f31830de95b2eb021dd99afd. Chain 2 (Bitcoin): anchored in block 958647 (2026-07-19T02:36:14Z), 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/ITQ1M2021009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f28d8cf25c053b63c226658743ecb9122db3a26a210ffb4c84f05e2435d2ced. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-22T02:27:06Z), 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/ITQ1M2021002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62d62f4df1466977c4cef2faa1c27fd2dd324c4ac358e9548bbd5b3f38843bff. 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/IT2J82100054.