Caramell was a Swedish music group, formed by singers Katia Löfgren and Malin Sundström, and producers Jorge "Vasco" Vasconcelo and Juha "Millboy" Myllylä. They are best known for their song "Caramell
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 0x804cb8c5dcd1094dc167fd1ad2652472b81e77586efcf604a2a14d1b9558495c. 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/51b81e5c-b727-4ab8-b9e4-aea15fa6f9f6.json and https://artists.proofprofile.net/proofs/artist/51b81e5c-b727-4ab8-b9e4-aea15fa6f9f6.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 0x49ad6c1e26b51be506e54f7549d7577f083019dc3734526c91201601360b0e30. 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/SEPQA9907040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7107952f14bef078e866476f8de69cbd637c0593bfd40bcbb5193855cf00578. 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/SEPQA9907010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ddc1a6c170b0dc21221522295f19f9094a2dead98fa5e0da6e284fddcc54931. 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/SEPQA9907020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd39d5c5faa24993e94bf53b4202e5cbfca9aac26cfc7b991adcb36802f0bdf9f. 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/SERJR0201010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c677eb73211f1d78bf8474f244675466fb994104d1fa8db59de1aace1f47062. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/SERJR0105030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2b458c44708a1e81c15c874cfddb6bfcabeeb7e854f6005a740f104e3cbbd1. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/SERJR0105040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0ac5ee0f10f51c373e37ee0751ddc975d33d2fe943d065c2c63d4ea2ddff70f. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/SERJR0105060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x005575131628346aa839dd9f4d55d174150a29dd477c50527a8ee270780e5b37. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SERJR0105070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa821437c6d7e7069435ac4da0a3b03152e232a0f6536088df5d001f4ab6ed023. 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/SERJR0105080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc665e056184f5e790ab49eccf5327ee845d1a4150229cacbcf2ef44fbed0e834. 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/SERJR0105100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0672d4d7a075104361c48a1fefe9379894f52e032ebd1006ff82645032fa86b7. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/SERJR0105110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59531143878d3c2de2223b55e44f475563520875dbcb16583f721172306f2a51. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/SERJR0105120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75447ee163dcd413fd27fc772cb9f60c7fac5bb92f67a811c8b05ead4ab9d98. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T08:56:51Z), 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/SERJR0201140.
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