Rolandz is a dansband from Sweden, established in 2008 by Robert Gustafsson. The breakthrough was during a Dansbandskampen break appearance in 2008. In 2009, the band participated at Allsång på Skan
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 0xd76019f32a51ae5ec49c3a5b8271e3727b87dd2802a05089d77c7b670665d6f9. 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/4165ba94-7b2b-453f-a8b6-9bd5d062c4fe.json and https://artists.proofprofile.net/proofs/artist/4165ba94-7b2b-453f-a8b6-9bd5d062c4fe.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 0x52f6eb2212959cc07fe2ba21802e8ed6544e87afe32d9cba565919225f198211. 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/SEPQM0900102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001cc0739f03316b1f2f77305dfe325d7b1332dfb85dc26f510e9fe79ada80d6. 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/SEPQM0900103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ddaa6e99b2c9e3afecc64601897c2963a510182991e32c76a722e7eced493c1. 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/SEPQM0900068.
Upp till dans (feat. Lasse Stefanz, Scotts, Christer Sjögren och Thorleifs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42fd7b1a95e3bbc91ddc9d4659af6928e35ffe245800a22f094910155e2908c0. 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/SEPQM0900064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x757f65294bd924f483fb60497dd563613c2663ff26231f9f041333d59283d6a7. 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/SEPQM0900107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b0db8a7e6e1b2b58bf1f04f5a13dfe5451c26f2fc0ebbceb57378ba057c235. 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/SEPQM0900099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b1620d2903d133ccf494af99699834d3fa343b2cbb80d7e6c2a6b2561b06f49. 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/SEPQM0900101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x472ce667f18e263955d8c7cfa609c5afeafab6d3334e0e954db68ba83c37e8d4. 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/SEPQM1000033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc45102bc5d0bdc3d152947017c2eb668a2d6e4d774ab6c5874e9e1bbe1c15080. 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/SEPQM1000034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb59a749591a5a2aefb1fe6dabbfba4d1a83de4c3d4e5e5d21e21e2da48399ad8. 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/SEPQM1000036.
Jag hör hur de ligger med varandra i våningen ovanför
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44a9e5283ff78bd29deb99f9a8c16e9be82d810e8f1de0f2c534a4496ee60e2. 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/SEPQM1000041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639e0435fee740fe1d9501fec0a6f3ee8c1b1d31b09192e0b4aed78daf98fcab. 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/SEPQM1000046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42b3c9c9009cda7d00759bd653532ea520a61af6746121852c55a9cd7a1e2e14. 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/SEPQM0900104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb94a0092c422cedbacd1483389d3394b0f5d72c8024314c4b689e9112d7efcd3. 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/SEPQM1000040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x607919222141d6725cdb1970d2432015a20522fa218054c1678b2c12b5988159. 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/SEPQM1300047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10498ab4ee49a69157599178333fbd80522f4519d66b675fee68f11f60b8e1b2. 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/SEPQA1401069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ebd7785a845c0f50983d707141f5b43f1b58ba600d7d0e38be14183f48bf01c. 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/SEPQM1100229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf42c8224253b0a293952e47fccde1b5d2ced1be1d3a8c730971a9045416133cf. 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/SEPQM1800123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74e164c3fa78e47c322b693fe15c3ae7d248a667e715b7350576d3a1704e1c14. 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/SEPQM1300074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa63d63c74bc614b39be3fe02099d1423efb16603a984e8e18262a35f19fda3d. 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/SEPQM1100232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9a40a5851ad1ebfe209356b57b7c1446944b490b754ae2b498369fb0a3aaf50. 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/SEPQM0900106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0605f18af5f622040ac738d7b32f69d51858542eb167ebbe7ae00e98b8c3d083. 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/SEPQM1100228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac75ed00c53180e9c4b309752c7392506dea9f2080f96000d02f94deb2b2e842. 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/SEPQM1700001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42d67753675f45e43eda10fdf689f06c461ca140835f9af7174fbd8031d3b548. 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/SEPQM1100236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82b2f97b05a9ceb380b0946d22c64ec55fe84f2c341e436cd10199d64572eae2. 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/SEPQM0900100.
A Love Worth Waiting For (feat. Rolandz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085bd5e5a6a49f6709d485d912ee7fd175b6eaaf8d92c6bec0de3114fdba88c0. 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/SEPQM1000163.