My Bubba is a duo consisting of Icelander Guðbjörg Bubba Tómasdóttir and Swede My Larsdotter. They sing and play music in a minimalistic, vocal-oriented folk style. Early years Larsdotter and Tómas
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 0xfd609baadbb0d99f2fe68432ccc827546f3732b414848c23387a2c76b361544a. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e3246906-ca06-460c-a4ec-63d60b0409b0.json and https://artists.proofprofile.net/proofs/artist/e3246906-ca06-460c-a4ec-63d60b0409b0.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 0xf3808e8a1985898e543c48597d1d82a4aafef02e1e8dd7bbf4df6f5d579a536a. 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/DKHE21300603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c79de75f4fc6d8146184329802c782beb91861dea66330101bfcdddc00e0391. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:40:19Z), 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/DKHE21300604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c3ed748101d04201f648659272c780b6b45e894430ed2780ccd5e1d35351d64. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/DKHE21300605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c6d30d082b1bef10080a78df82a48d1e1379bda7919e04372a47f75cd7ff26b. 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/DKHE21300607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe753aa08f9278e978a32a4e8ede127523b74dbecfb0e6497a751ab2f63c99461. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/DKHE21300608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abd93467218e4dcf866e5ae4524e42dcc0e8176eada7cd0510702fe2ec5d622. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/DKHE21300610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x191253b058df0350587e94d72a08c0d2a4a86205e319325eb19d238e1fae6c9c. 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/TCACL1664970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ab80c3d86bde8bc962530138f41a7b83f7e03a4004ebf5242e82b8c3325cb4e. 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/TCACM1647763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd3e2edbd6bd8d8585c113968da0dc08f257423c8c9772b2e240ec639619291. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/TCACL1664982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e77e32c83f173fc4511989e067048cabcdfef8a0b3c50be054de3a7596841b8. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/DKHE21600106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7003d50000487566aef9ebdb48353d872ae95364631e057f671c95ff871b5b0a. 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/TCACT1607668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7003d50000487566aef9ebdb48353d872ae95364631e057f671c95ff871b5b0a. 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/TCACT1607668.
My Bubba & Elsa Sjunger Visor // Sing Swedish Songs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61e5a3dea777c7f8ed773d103262a0d97b771a87a8b2757c78b726ebde0f9d99. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/DKHE21700211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a676b77c7df33a0cb917d1a5c6d7bd587a5d67569da38aa78f50dd216fae3c8. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DKHE21700206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd45de18cacbd6c6d97a6273ba98ef6e5cc10ae63f4a284ea2c9c5b18034db4. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/DKHE21700210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61e5a3dea777c7f8ed773d103262a0d97b771a87a8b2757c78b726ebde0f9d99. Chain 2 (Bitcoin): anchored in block 957576 (2026-07-11T14:19:48Z), 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/DKHE21700211.