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 0x73d6983d54582725cf30607dd580f73d4550e14cf993ee0f2030dd1824530e0a. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/61b22bee-d505-4ee7-a04c-3370165b765e.json and https://artists.proofprofile.net/proofs/artist/61b22bee-d505-4ee7-a04c-3370165b765e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nursery Rhymes - The Most Popular Songs for Kids (with Sing-Alongs!)
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 0x849be9816600393a4bdc8adbce7ee185c7993603776bc4928627e80aa46f0041. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/DEHT41303743.
Twinkle, Twinkle Little Star (nursery Rhyme)
Old Macdonald Had a Farm (nursery Rhyme)
London Bridge is Falling Down (nursery Rhyme)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811e1afd51d28f290c867cdd58065dcda03eff7c1838cc37c3e39d18dfaee126. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/DEHT41303748.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3dcb287c1f27021152500b258d4e4f164339661c6e6a53ba08207f0ff303f68. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/DEHT41303749.
Are You Sleeping Brother John (nursery Rhyme)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419533e351e014ecb478600978939d739b0f1f0c20f243e684f0fa78de77e107. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/DEHT41303754.
If You're Happy and You Know It (nursery Rhyme)
Head, Shoulders, Knees and Toes (nursery Rhyme)
The Wheels on the Bus (Karaoke, Playback, Instrumental, Sing-Along)
Twinkle, Twinkle Little Star (Karaoke, Playback, Instrumental, Sing-Along)
Old Macdonald Had a Farm (Karaoke, Playback, Instrumental, Sing-Along)
London Bridge is Falling Down (Karaoke, Playback, Instrumental, Sing-Along)
The Chicken Dance (Karaoke, Playback, Instrumental, Sing-Along)
Mary Had a Little Lamb (Karaoke, Playback, Instrumental, Sing-Along)
Happy Birthday to You (Karaoke, Playback, Instrumental, Sing-Along)
The Mulberry Bush (Karaoke, Playback, Instrumental, Sing-Along)
Are You Sleeping Brother John (Karaoke, Playback, Instrumental, Sing-Along)
The Incy Wincy Spider (Karaoke, Playback, Instrumental, Sing-Along)
Humpty Dumpty (Karaoke, Playback, Instrumental, Sing-Along)
Hush Little Baby (Karaoke, Playback, Instrumental, Sing-Along)
Oh Susanna (Karaoke, Playback, Instrumental, Sing-Along)
Pop Goes the Weasel (Karaoke, Playback, Instrumental, Sing-Along)
I Love You, You Love Me (Karaoke, Playback, Instrumental, Sing-Along)
If You're Happy and You Know It (Karaoke, Playback, Instrumental, Sing-Along)
Polly Wolly Doodle (Karaoke, Playback, Instrumental, Sing-Along)
Head, Shoulders, Knees and Toes (Karaoke, Playback, Instrumental, Sing-Along)
The Hokey Pokey (Karaoke, Playback, Instrumental, Sing-Along)
Jack and Jill (Karaoke, Playback, Instrumental, Sing-Along)
Famous English Bedtime Stories for Children
Phineas Fogg's Adventure Around the World in 80 Days (Part 1)
Phineas Fogg's Adventure Around the World in 80 Days (Part 2)
Children Songs for Adult Meditations (Audio for Ambiance, Meditation, Insomnia, and Restless Children)
If You're Happy and You Know It - Version 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eefe30d16a62f834ae5d4c4968de8ac7ddda29f573a83562b0926fe9d850833. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/SE37J1504612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f4e44956345211dc1bd0b427d8b6b0519b44ff81691d253075912c4940c6c7c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/SE37J1504604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f00f1724f054fe4dfe3cff6377d3b8ae1cc40e9b9f10858ca0c8b13a4f959ed. 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/SE37J1504606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b6fa6d257d96c086194f704608f4158ba7b9f3ff7ed6cc62af2e06695619790. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/SE37J1504614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x446bec60d816a86d08880ada352de5b240e95b26fecce80bdc1476a2f69f2197. 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/SE37J1504615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2271d83ab3e31db12f523d0ea8e35982a46e2cedd95107dde732c86980a7dbe. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/SE37J1504607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f83e2cadc5d790712ed58ad2cfa9a6f5da5571b957360e3327013f5ce9b0c93. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SE37J1504613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5265f52ce7a983b3e8a92978e58b14223022df0dbe7d0c22f8b8c86fcb204b53. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/SE37J1504611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1c6abf2a496f459d1fd756ff27ad010bf88a2440ac9ca099dd62a0886419a26. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SE37J1504603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d5d33e89741cbd1136354d107d031857aa41fa1fcc9987c7bcf2f14824ea45. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/SE37J1504595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52793debcf4ef72a71015b221c4792d6c91615048bcf433e6a78188b949033f4. 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/SE37J1504599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f75a42ba7bb6ae49ead2ae3f35e58dfa24a4cdcbb65a6cdb648d2a84a43596. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/SE37J1504600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca04aa3927e35356ed495107a1fb6db4dc904ac6ef75104f3960923718b0ee89. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/SE37J1504602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33c7f78006d2d4fab2a6bfc50f19148ccfb92e8d408b67ef528885e41e1f50c6. 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/USJ3V1420772.
Princess Elsa Sings Her Favourite Nursery Rhymes
Children's Bedtime Routine (Stories and Lullabies)
Night Night Rhymes: Wee Willy Winkie / Twinkle Twinkle Little Star / Bedtime / Star Light / Lullaby and Goodnight
Children's Birthday Party Music (Nursery Rhymes)
My Special Favorites : Old King Cole / If I Had a Donkey / Hickory Dickory Dock / Little Nut Tree / The Owl and the Pussycat
Just Plain Silly : Jack and Jill / Three Blind Mice / Rub-A-Dub / Humpty Dumpty / What Are Little Boys Made of / I Saw a Ship a Sailing / Moses' Toeses / Peter Piper / The Cat and the Fiddle
Playtime : Here We Go Round the Mulberry Bush / Pat a Cake / One, Two, Buckle My Shoe / Itsy Bitsy Spider / This Little Piggy
Supercalifragilisticexpialidocious (Instrumental Version)
The Bare Necessities (Instrumental Versions)
It's a Small World (Instrumental Version)
A Whole New World (Instrumental Version)
Mickey Mouse March (Instrumental Version)
Bibbidi Bobbidi Boo (Instrumental Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5c8c96b13e7b096ca272b708c02bff1983483c5852a8f22e3d0569f6b66b96f. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/TCADF1724400.
Beauty and the Beast (Instrumental Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef524cdf9d4c8ce67e2540387c1a7f71840816e42e1539651808180e8e7d2e97. 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/TCADF1724402.
Zip-a-Dee-Doo-Dah (Instrumental Version)
A Dream Is a Wish Your Heart Makes (Instrumental Version)
The Ballad of Davy Crockett (Instrumental Version)
Candle on the Water (Instrumental Version)
Discover French Nursery Rhymes Sung in English
Symphony No. 38 in D Major, K 504: I. Adagio - Allegro
Sonata No. 11 in a Major, Kv 331: Turkish March
Sonatina No. 6 in D Major, Op. 36: II. Rondo Allegretto
Autumn Concerto #3 in F Major: Allegro / Adagio Molto / Allegro
Spring Concerto #1 in E Major: Allegro / Largo / Allegro
It's a Kid's Christmas! - Christmas Music for Children
My Special Favorites: Old King Cole / If I Had a Donkey / Hickory Dickory Dock / Little Nut Tree / The Owl and the Pussycat
Playtime: Here We Go Round the Mulberry Bush / Pat a Cake / One, Two, Buckle My Shoe / Itsy Bitsy Spider / This Little Piggy
Highlights of Songs for Children, Vol. 1
Just Plain Silly: Jack and Jill / Three Blind Mice / Rub-a-Dub / Humpty Dumpty / What Are Little Boys Made Of / I Saw a Ship a Sailing / Moses' Toeses / Peter Piper / The Cat and the Fiddle
Phileas Fogg's Adventure Around the World in 80 Days (Part 1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1047c99952c0f9b33156c65c648fb412e0fb21d71f8154ec3a1ee7f366a8a942. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/FR0W61899741.
Highlights of Songs for Children, Vol. 2
Bored Kids Sing Along Playlist for the Car
Funny Folks: Little Jack Horner / There Was an Old Woman / Diddle Diddle Dumpling / Little Boy Blue / Little Polly Flinders / There Was a Crooked Man
Animal Rhymes: Mary Had a Little Lamb / Old Mother Goose / Little Bo-Peep / Pussy Cat / Old Macdonald / Little Kitty / The Wise Old Owl
Las Mejores Canciones para Niños en Inglès
The Old Grey Mare (Instrumental Version)
Head, Shoulders, Knees and Toes (Instrumental Version)
Do Your Ears Hang Low (Instrumental Version)
Apples and Bananas (Instrumental Version)
The Ants Go Marching (Instrumental Version)
Happy Birthday To You (Instrumental Version)
Yankee Doodle Dandy (Instrumental Version)
When You Wish Upon a Star (Instrumental Version)
I'm Popeye the Sailor Man (Instrumental Version)
My hat, it has three corners - Marimba Version
My hat, it has three corners - String Orchestra Version
My hat, it has three corners - Ukulele Version
My hat, it has three corners - Guitar Version
My hat, it has three corners - Piano Version
My hat, it has three corners - Brass Version
My hat, it has three corners - Harp Version
Dreams are the Flowers (That Bloom in Your Heart) - marimba version
Feed the Birds (Mary Poppins) - marimba version
Bellas Lullaby (Twilight) - marimba version
Chim Chim Cer-ee (Mary Poppins) - marimba version
Colours Of The Wind (Pocahontas) - marimba version
Do You Want to Build a Snowman (Frozen) - marimba version
In Harmony (The Little Mermaid) - marimba version
La la lu (Lady and the Tramp) - marimba version
Once Upon a Dream (Sleeping Beauty) - marimba version
When You Wish Upon A Star (Pinocchio) - marimba version
Someday My Prince Will Come (Snow White) - marimba version
The Lion Sleeps Tonight (The Lion King) - marimba version
Scenes from childhood, Op. 15- I. Of Foreign Lands
The Goldberg Variations, BWV 988: I. Aria
Ave Maria (Arrangement By Charles Gounod)