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 0x596ff1b91a3a35677dcae8e7b49d325f2500adf38f107af06e1cc00fcddc5948. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d2951f7c-8d6b-4c4d-8ec7-d39cc5483579.json and https://artists.proofprofile.net/proofs/artist/d2951f7c-8d6b-4c4d-8ec7-d39cc5483579.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Miu mau - Ihahaa - Lasten parhaat eläinlaulut
Piippolan vaarin talonpito - Old McDonald
Pahaa sutta ken pelkäisi? - Who's Afraid of the Big Bad Wolf?
Teddykarhujen huviretki - Teddybears Picnic
Petri Hohenthal, Liisa Lääveri, Harri Saksala, Anssi Hallman ja Matti Kontio
Leni, Seppo ja Vuosaaren lastentarhan lapset
One Touch of Venus, Ei saa kiruhtaa (Speak low): Ei saa kiruthaa
Follow the Fleet: Let's Face the Music and Dance
Avarasylisen naisen laulu (Song of the Voluptuous Woman)
Muistathan, Barbara? (Rappelle-toi, Barbara?)
Hiljainen kylatie (The Quiet Village Road)
Siks' oon ma suruinen (That's Why I Feel so Sad)
Ikävä Omia Maita: Ikava omia maita (Longing for Home)
Maria de Buenos Aires: Allegro Tangabile
Tahdet meren ylla (Stars Above the Sea) [arr. T. Alakotila]
Piene sydan (a Tiny Heart) [arr. T. Alakotila]
Muista minua (Please Remember Me) [arr. T. Alakotila]
Muistathan, Barbara? (Rappelle-toi, Barbara?) [arr. T. Alakotila]
Ilon kyyneleet (the Tears of Joy) [arr. T. Alakotila]
Hiljainen kylatie (the Quiet Village Road) [arr. A.-M. Kahara and T. Alakotila]
Siks' oon ma suruinen (That's Why I Feel so Sad) [arr. T. Alakotila]
Taysikuu (the Full Moon) [arr. T. Alakotila]
El mayoral del tranvia (Arr. F. Dorling)
Muksuboksi - 40 suosituinta lastenlaulua
Muksujen musaboksi - 50 suosituinta lastenhittiä