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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51e3dad08bb8e9f8bb881699cdbeaf397ec8192743e4b44abbc5ebe181cfb6eb. 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/d3d9b915-524c-49be-9e1a-078d27417b16.json and https://artists.proofprofile.net/proofs/artist/d3d9b915-524c-49be-9e1a-078d27417b16.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hush Little Baby: Classic Lullabies for Children
Hickory Dickory Dock / Mary Had a Little Lamb / London Bridges / This Old Man
Sing a Song of Sixpence / Baa, Baa Black Sheep / Three Blind Mice…
Jesus, Loves Me / Pop! Goes the Weasel / Are You Sleeping, Brother John?
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 → block OTSBitcoinBlock must exist at that height 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 0x8dcd3bd5b30e0d81b3c6390513245829151a06aca8e1d85bf8282ebc13fa833c. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/US4EB1004505.
Hickory Dickory Dock / Mary Had a Little Lamb / London Bridges / This Old…
Rock a Bye Baby: Classic Lullabies for Children
Goodnight My Angel: 20 Classic Lullabies for Babies
Hush Little Baby: 30 Time-Tested Lullabies
Hush Little Baby / Rock a Bye Baby / Lullaby and Good Night / Old MacDonald Had a Farm
Itsy Bitsy Spider / Ring Around the Rosie / So Long At the Fair / Oh Dear, What Can the Matter Be
Jesus Loves Me / Pop! Goes the Weasel / Are You Sleeping, Brother John?
Sing a Song of Sixpence / Baa, Baa Black Sheep / Three Blind Mice
Hickory Dickory Dock / Mary Had a Little Lamb / London Bridge / This Old Man / Here We Go Loopty Loo
Do You Know the Muffin Man? / Did You Ever See a Lassie? / Here We Go Round the Mulberry Bush
Still, Still, Still / Twinkle, Twinkle, Little Star
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8487e99467cd099988aaaddb248939306d59daf9997be232ed144266b19da3. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/US4EB0904412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfa9227417d79257a45a626ff09f5c172da2805e7af643c523e4a139fe93297d. 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/US4EB0935410.
Twinkle, Twinkle Little Star (Instrumental Version)
The Bear Went over the Mountain (Instrumental Version)
Ring Around the Rosie (Instrumental Version)
Old MacDonald Had a Farm (Instrumental Version)
Mary Had a Little Lamb (Instrumental Version)
Little Miss Muffet (Instrumental Version)
Itsy Bitsy Spider (Instrumental Version)
It's Raining, It's Pouring (Instrumental Version)
Hickory Dickory Dock (Instrumental Version)
Farmer in the Dell (Instrumental Version)
She'll Be Coming Round the Mountain (Instrumental Version)
Music For Babies: Soothing Rainfall Sounds To Help Your Child Sleep
Cradle Songs for Serenity: Nursery Rhymes and Baby Sleep
Moonlit Lullaby: Serene Baby Sleep Music
Sky Symphony: Guitar Lullabies for Baby's Slumber
Restful Giggles in the Embrace of Guitar's Peace
Jazz Piano Lullabies: Baby Sleep's Harmony
Crystal Clear Lagoons: Baby Lullaby Waters
Soft Jazz Piano Serenades for Baby's Sleep Time
A Mother's Love and Nursery Rhymes: A Bond for Restful Nights