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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23c4bc2d7b25ac87dad053fc6d4f4458042336ac5e8e45ae4359e47c3ba3d3bb. 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/f9318ac8-7aed-49a3-91fb-234ef6672b74.json and https://artists.proofprofile.net/proofs/artist/f9318ac8-7aed-49a3-91fb-234ef6672b74.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Lullabies (Soothing Nursery Rhyme Songs & Children's Sing Along Lullaby Music for Moms, Babies & Kids)
Rock-a-Bye Baby (World's Most Popular Lullaby)
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74b3d9a43e56b008a7bae41cd2a5a0b50179d350816e56b6cc1a1efa9ef70171. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1570637 — a six-check JSON result.
Ultimate Nursery Rhymes Collection: Relaxing Nursery Rhyme Sing Along Songs & Children’s Music for Moms, Babies & Kids
Ultimate Children's Music Collection: Nursery Rhymes & Children's Lullabies for Moms, Babies & Kids
Mary Had a Little Lamb (Popular Nursery Rhyme)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x321a54ce96c7abfb4c0a50dfeb73bfdaf23ccbfb47ed5813f31098f34a50cdd0. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594754 — a six-check JSON result.
Twinkle Twinkle Little Star (Baa Baa Blacksheep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa655626822acd2e7d77b7e595947999f1b637e4b28c374aaacee6ee0cb6e41. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594755 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27b29272f3ab39fc8dbbc224186ec58be24afe5bb4d7fa49e932163711d16352. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594756 — a six-check JSON result.
This Old Man (Children's Folk Song, Roud Index #3550)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d6e180dfaf072117c91daf7a03b197eac3ffcfbd1f1eeed264c63f1a8759b58. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T08:02:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594761 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0236183a560797b6e0c817e38c3931ebb540ebce27ac0309e66d65b990f86057. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594765 — a six-check JSON result.
London Bridge Is Falling Down (For Sing Alongs)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd19f3b59597a53af8ed2f1abb071f331c0a361e263ee71779099d1151608da56. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594767 — a six-check JSON result.
Gymnopedie (Relaxing Instrumental Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb285a88d77a52b5dce4dc699b94c461a33f93978db9a67cc76a5e24417194c1b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594768 — a six-check JSON result.
The Alphabet Song (Rock Baby Relaxation Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10e15c82a9ec023bd56b8c789c832ab8bcb2134d610f7ce0cc510ed86e0b66ba. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594771 — a six-check JSON result.
Home On the Range (Classic Child's Music Song)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e3de12f15f54cf16c6abf751009af7ffbd09a783fd2715bbd337e30ca4ae8eb. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594772 — a six-check JSON result.
Little Miss Muffet (Best of Nursery Rhymes Poems)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a2221449b3165e8cd75d17ab6a9310871f1e428a565f2044328e07831139aa1. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594774 — a six-check JSON result.
Hush Little Baby (Mama's Gonna Buy You a Mockingbird)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cef34f4a7294e5e3e0d0e7c507ec9d2fc6bb2bc8b319c783ec4cb3b762aa132. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594778 — a six-check JSON result.
Lullaby and Goodnight (Cradle Song for Bedtime)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x263d1125eb5cb770f42f306851951e6faeff9c29d31bf83be157ffdc991ef57c. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1594779 — a six-check JSON result.
Kids Relaxation: Kids Learning to Play Vol. 1
Music For Babies: Relaxing Rain & Wind Sounds For Your Children
Rainbow Rhythms: Musical Colors of Baby's World
Serenading in the Stroller: Melodies on the Move
Twinkle, Twinkle, Little Toes: Lullabies for Nighttime Joy
Harmonious Nights: A Father's Joyful Lullabies for Baby
Little Mind Rhymes for Promoting Patience and Listening Skills
Soothing Sounds of Sleep: Baby's Musical Dreams
Galactic Flux: Surfing the Waves of Infinite Gaming Realms
Holographic Utopia: Architecting Worlds of Endless Gaming Bliss
Serendipitous Wonders: Unveiling the Magic of Gaming
Psychedelic Quest: Journeying through Infinite Gaming Realms
Ethereal Manifesto: Where Infinite Gaming Dreams Take Form
Soothing Echoes: Calm Baby Lullaby Sounds
Pixelated Euphoria: Reveling in the Rhapsody of Infinite Gaming Dreams
Quantum Quasar: A Stellar Display of Infinite Gaming Dreams
Hyperdrive Exploration: Propelling Beyond the Borders of Gaming Imagination
Nebulous Dreamscape: Swirling Galaxies of Endless Gaming Dreams
Retro-Futuristic Hinterland: Exploring Uncharted Territories of Gaming Dreams
Pixel Chaser: Chasing Dreams Beyond Gaming Dimensions
Neon Enigma: Decoding the Secrets of Endless Gaming Fantasies
Quantum Quixotic Quest: Chasing the Windmills of Infinite Gaming Fantasies
Nebulaic Dreams: Exploring the Uncharted Territories of Gaming
Celestial Panorama: Infinite Gaming Dreams in Vivid Colors
Etherial Empyrean: A Celestial Realm for Infinite Gaming Dreams
Infinite Realities: Crafting the Tapestry of Gaming Dreams
Lullaby Dreamland: Peaceful Baby Slumber
Cosmic Pinnacle: Scaling the Heights of Endless Gaming Aspirations
Neon Dreamscape: Navigating Galaxies of Boundless Gaming Fantasies
Quantum Odyssey: Navigating the Cosmic Seas of Gaming Dreams
Retro-Futuristic Ecstasy: Reveling in the Joys of Gaming Dreams
Quantum Waltz: Dancing to the Beat of Infinite Gaming
Infinite Exploration: Embarking on Journeys Beyond Gaming
Neon Dreamscape: Painting the Canvas of Gaming Horizons
Ethereal Elysium: Illuminating the Path to Gaming Delight
Cosmic Utopia: Architecting Worlds of Endless Gaming Bliss
Retro-Futuristic Exploration: Embarking on Adventures Beyond Gaming
Ethereal Nirvana: The Zenith of Boundless Gaming Dreams
Unwrapping the Joystick Chronicles: Gaming's Vintage Tales
Pixel Pioneers and Power-Ups: A Retro Gaming Soiree
Warp Zones and Wizardry: The Quirkier Side of Old-School Gaming
Leveling Up in Nostalgia: The Legendary Days of Gaming
Pixelated Pandemonium: A Funky Trip Back to Gaming's Roots
Joysticks and Jams: Rocking Out to the Beats of Retro Gaming
Pixels and Chill: Navigating the Cozy Labyrinths of Retro Play
Blast from the Past: Gaming's Time-Traveling Fiesta
Pixel Wars and Disco Scores: A Retro Gaming Extravaganza
Button Mashing and Flashbacks: Adventures in Gaming's Glory Days
Lullaby Embrace: Soft Sounds for Baby's Sleep
The Pixel Quest: Unveiling the Treasures of Yesteryears Gaming
Nostalgia Reloaded: Reviving the Zest of Retro Controllers
Glitch in the Matrix: Gaming's Whimsical Throwback
Pixel Puzzles and Power-Ups: The Riddles of Retro Gaming
Byte Me Back: A Technicolor Dive into Gaming's Past
Pixels of Passion: Gaming's Retro Love Affair
Nostalgia Unleashed: The Pixel Party Never Ends
Nostalgia on Speed Dial: Retro Gaming's Adrenaline Rush
Pixel Portals and Quantum Quests: Time-Traveling with Controllers
Pixel Vortex: Spinning Through the Whirlwinds of Gaming's Past
Nostalgia Nation: Where Pixels Rule and Controllers Drool
Leveling Up in Style: The Fashionable Quests of Retro Gamers
Nostalgia Noir: Gaming's Black-and-White Extravaganza
Pixel Potluck: Feasting on the Buffet of Retro Play
Resurrecting the Legends: A Phoenix Rise of Retro Gaming
Starry Strumming: Guitar Melodies for Baby's Rest
Pixel Pirates and Nostalgic Ninjas: Dueling in the Arcade of Memories
Pixel Whispers: Playground Memories Unveiled
Virtual Voyage through Playground Pixels
Vibrant Vibes in the Playground Pixelverse
Peaceful Lullaby: Soothing Sounds for Baby Sleep
Bit by Bit: Playground Memoirs in Pixels
Retro Radiance: Pixel Playground Enchantment
Pixel Puzzles: Reconstructing Playground Memories
Restful Lullaby Rhythms for Baby Sleep's Night
Infinite Gaming Dreams: Where Realities Converge
Cosmic Mirage: Chasing Illusions in Gaming Dreams
Boundless Aspirations: Painting Gaming Horizons
Sleeping Soundly with Nursery Rhymes: A Parent's Secret Weapon
Quantum Dreamscape: Navigating Endless Gaming Realms
Ethereal Odyssey: Sailing Through Endless Gaming Realities
Neon Nexus: Bridging Realities for Limitless Gaming Dreams
Celestial Exploration: Embarking on Endless Gaming Journeys
Enchanted Elysium: Illuminating the Path to Gaming Delight
Infinite Escapade: Adventures in the Gaming Galaxy