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 0x6adfbf0fd486cbad09d386cd807ad35c5b248a77b5717b6357657ae900f9ca87. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae569757-21b6-49fa-9d7a-7a5de04566b2.json and https://artists.proofprofile.net/proofs/artist/ae569757-21b6-49fa-9d7a-7a5de04566b2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Day You Begin Song | Back to School Kids Song About Bravery & Belonging | Preschool Music
Goodnight Gorilla Song | Kids Bedtime Song | Children Storybook Music
Room on the Broom Song| Kids Song | Children Storybook & Preschool Music
We are Going on a Bear Hunt Song (Kids Song Children Storybook & Preschool Music)
Hello September! The Official Song from Blackriver Kids Music
Harold and the Purple Crayon Song | Kids Song | Children Bedtime & Storybook Music
The Mitten Song | Winter Kids Song About Animals | Children Storybook Song & Preschool Learning Music
Goodbye Summer Hello Autumn Song Fall Songs for Kids Preschool & Kindergarten Circle Time
September Skies | Fall Song for Kids | Preschool & Kindergarten Autumn Circle Time Music
Leaves Are Falling Down Song (Autumn Songs for Kids Preschool & Kindergarten Circle Time)
Halloween Kids Song – Pumpkin Patch Parade | Fun Action Song for Children
The Silly Skeleton Dance | Fun Halloween Kids Song
Pumpkin Town – Magical Halloween Song for Kids | Blackriver Kids Music
Thank You, Thanksgiving Day! – Fun Thanksgiving Song for Kids | Blackriver Kids Music
This Is Halloween – Happy Trick or Treat Song for Kids
The Spiders’ Dance Party – Funny Halloween Song for Kids | Blackriver Kids Music
Shape Monsters – Halloween Shapes Song for Kids
Leo the Lion and the New Friend – Fun Kids Song About Friendship and Kindness
Leo the Lion’s Fall Adventure – A Family Road Trip Song!
Classroom Brain Break: Addition & Subtraction Song
Leaf Jump Jam (Counting & Colors Song for Kids)
Mittens Match-Up (Kids Pairs & Patterns Song)
Thank-You Train | Please & Thank You Kids Song (Manners & Turn-Taking)
Panda Bear, What Do You See? Animal Adventure Song for Kids
The Very Hungry Caterpillar – Counting, Colors & Growth Song for Kids
Sweater Weather Shuffle – Sing & Move Along Fall Song for Children
The Very Busy Spider Song – A Fun Kids’ Song About Focus and Hard Work
The Very Quiet Cricket Song – A Gentle Kids’ Song About Finding Your Voice
The Very Lonely Firefly Song – A Gentle Kids’ Song About Friendship and Belonging