1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a09e7a446c72cab187207e2b2e4128f68c3a685e9e57279ef3324460cb60cb4. Chain 2 (Bitcoin): anchored in block 953645 (2026-06-14T14:31:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3dd870a3-3254-4aab-8d30-a3f76fc040ee.json and https://artists.proofprofile.net/proofs/artist/3dd870a3-3254-4aab-8d30-a3f76fc040ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Stormskärs Maja (Myrskyluodon Maija) (feat. Maria Ylipää)
Wie Todesahnung... O du, mein holder Abendstern
Puhu hiljaa rakkaudesta (Speak Softly, Love)
Joululaulu (Hiljaa leijaa maahan hiutaleet)
Sibelius: Kuolema, JS 113 & King Christian II, Op. 27
Twelfth Night, Op. 60 (Version for Voice & Orchestra): No. 1, Come Away, Death
Twelfth Night, Op. 60 (Version for Voice & Orchestra) No. 2, Hey, Ho, the Wind and the Rain
King Christian II, Op. 27: IV. Fool's Song of the Spider
Faust, CG 4, Act II (1864 Version): Vin ou bière
Faust, CG 4, Act II (1864 Version): O sainte médaille
Faust, CG 4, Act II (1864 Version): Merci de la chanson!