Gustaf Spetz is a Swedish singer. He started the band Eskju Divine along with two friends in Norrköping in 2002. The band went on to release four EP's and two albums, tour Japan and open for The Smash
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 0xa0b4898dc8cd21864c93da547e8b8203e0721bdfa7cacae54b4c3ba45ef06d68. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/921cc268-bb3b-4faf-8e8b-a93b26ce5a0f.json and https://artists.proofprofile.net/proofs/artist/921cc268-bb3b-4faf-8e8b-a93b26ce5a0f.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 0x2b5e142d70fffee1f7f3841228f6f7fd6d1909256bb87379db91c59bf96be758. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/SE3UX1300107.
Den blomstertid nu kommer (Original Motion Picture Soundtrack)
Den blomstertid nu kommer (The Unthinkable)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4af540a69d7f5b9f00da7721ef5a8c0e4cff253ae87eb313e2f4a7fff9e84e6. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/SE3UX1300606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7614f4cf2d1eb2f1922630405a28b69a95dcd0d66da881e565541920a6c77998. 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/SE3UX1300628.
Skisser från Den blomstertid nu kommer (Sketches from The Unthinkable), Vol. 2
Skisser från Den blomstertid nu kommer (Sketches from The Unthinkable), Vol. 1
Så Jävla Easy Going (So Damn Easy Going)
Ufo Sweden (Original Motion Picture Soundtrack)
Watch the Skies (Original Motion Picture Soundtrack)