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 0x82cf2dd018d8026f6b1e7eefc65fd2e3d32c324fda2e70e440eb4e84134a3f49. 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/a3a30860-d77f-4952-b81c-54876e881f64.json and https://artists.proofprofile.net/proofs/artist/a3a30860-d77f-4952-b81c-54876e881f64.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Lo-Fi Hip-Hop Vibes - Chillout Beats for the Ultimate Piece of Calm
Jazzhop Cafe Music - Lofi Hip Hop & Jazz Beats Chill Out
! ! ! ! Chillhop Beats and LoFi Vibes ! ! ! !
French Lofi: Chillhop lounge beats très chic
Easy Background Music for Vibing and Chilling
Chill-hop - Background Music for Study and Chill
Cultivated Lo-fi - Background for Sleep and Study
Excellent Background Music for Chill and Rest
Magical Background Music for Gaming Streams
Exquisite Bgm for Relax, Chill and Study
Music for Relax, Chill and Study - Awesome Jazz-hop
Music for Night Vibing - Sumptuous Jazz-hop
Backdrop for Rainy Days Studying - Jazz-hop
Smooth Lo-fi - Ambiance for Friday Night Chill
Music for Chill Mondays - Exquisite Jazz-hop
Spacious Music for Funy Days in May - Jazz-hop
Romantic Lo-fi - Background for Funy Days in May
Carefree Background for Morning LoFi Frequencies
Background Music for Lo-Fi Morning Chillout
Marvellous Backdrop for Lo-Fi Morning Chillout
Breathtaking Lo-fi - Ambiance for Study and Lofi Moods
Fabulous Background for Study and Lofi Moods
Music for Rainy Day Anxiety - Friendly Jazz-hop
Chill-hop - Background Music for Coffee Fi
Magnificent Background for Lofi Wellness
Backdrop for All Night Lofi - High-class Jazz-hop
Happening Music for All Night Lofi - Jazz-hop
Chill-hop - Background Music for Mellowed August
Music for Refreshing Lofi - Urbane Jazz-hop
Music for Calming and Chilling - Magical Jazz-hop
Lo-fi - Background for Streaming Imaginations
Music for Luxurious Acoustics - Groovy Jazz-hop
Lo-fi - Ambiance for Nocturnal September
Phenomenal Lo-fi - Ambiance for Entertaining Spaces
Dream-Like Background for Loving Ballads
Background Music for Entertaining Spaces
Sophisticated Lo-fi - Background for Nocturnal September
Music for Beautiful Low-Fi - Luxurious Jazz-hop
Backdrop for Deep Focus Hours - Jazz-hop
Contemporary Lo-fi - Background for Mellow Monday Moments
Refined Lo-fi - Ambiance for Periodic Studying
Spectacular Ambiance for Private Driving
Smooth Lo-fi - Background for Beautiful Low-Fi
Backdrop for Brightening October - Magical Jazz-hop
Music for Fast Spirits - Mysterious Jazz-hop
Music for Optimistic Sounds - Number One Jazz-hop
Backdrop for Energetic Mixes - Energetic Jazz-hop
Romantic Lo-fi - Background for Creative Chances
Artistic Music for Alpha Fusion - Jazz-hop
Sophisticated Music for Magic Ballads - Jazz-hop
Inspiring Chill-hop - Bgm for Fast Spirits
Sparkling Lo-fi - Background for Forgetting Fusions
Backdrop for All Night Studying - Wonderful Jazz-hop
Vivacious Lo-fi - Ambiance for Cool Passions
Chill-hop - Background Music for Manageable Work
Terrific Lo-fi - Ambiance for Manageable Work
Backdrop for Virtual Style - Distinguished Jazz-hop
Hot Music for Chillhop Sunsets - Jazz-hop
Chill-hop - Background Music for Hard Working Sundays
Music for Balancing Lofi - Stylish Jazz-hop
Grand Music for A Lofi Moment - Jazz-hop
Chill-hop - Background Music for Unwinding Nights
Friendly Lo-fi - Background for Balancing Thought
Classic Music for Calming Lofi Moments - Jazz-hop
Music for Echelon Memories - Easy Jazz-hop
Smooth Music for Chill Out Time - Jazz-hop
Calm Lo-fi - Ambiance for Working Points
Sunset Relaxing Ambient Background Music Vol. 1
Stress-Reducing Sounds of BINAURAL Vol. 1
Nakedness in Semidarkness: Sensual Midnight Chillhop & Trap Music
MEDITATION Music: Relaxing Deep BINAURAL Waves Vol. 1
Ambient Music: Invigorating Rain for Massage and Healing Vol. 1
Someone You Loved (Lofi Cover of Lewis Capaldi)
Say You Won't Let Go (Lofi Cover of James Arthur)
Silence Beneath Yoga: Calmful Lofi Vibes
Until I Found You (Lofi Cover of Stephen Sanchez)
Relaxation Revolution in Chill Playlists
The Best Chillout To Chillhop Tracks 2023
Chill Cats: Lofi Tracks for Tranquil Felines
Lofi Pawtunes: Relaxing Beats for Serene Pets
Lofi Woofs: Relaxing Beats for Dog Companions
Head Nodding Beats: Downtempo & Chillhop Grooves Mix
Lofi Mindset: Music for Concentration and Flow
Lofi Reflections: Smooth Yoga with Chill Music
Lofi Dog Days: Chill Music for Canine Contentment
Meditation Grooves: Spiritual Lofi with Chill Music
Lofi Tails: Chill Music for Contented Kittens
A Lofi Serenade with Ambient Sounds for Playful Pet Escapades
Catnap Dreams: Lofi Tunes Enhancing a Feline's Rest
Furry Friends Harmony: Lofi Tunes for Pet Relaxation
Dog Barks and Bliss: Serene Lofi Soundscapes of Furry Happiness
Lofi Slumberscapes: Dreamy Soundtracks for Sleep
Lofi Pet Serenade: Ethereal Tunes Weaving Joyful Connections
Midnight Serenity: Tranquil Lofi Sleep Chronicles
Lofi Baby Hush: Soothing Tunes for Little Ones
Relaxing Study Beats: Ambient Focus Music (Lofi Study Music & Chill Study Beats)
Lofi Learning Zen: Music for Enhanced Study Sessions
Pet Adventures: Lofi Music for Happy Pet Playtime
Lofi Pet Harmony: Music for Calm Moments with Your Pets
Lofi Yoga Zen: Music to Deepen Your Practice
Freaky Femme Fatale: Slow & Sexy TripHop Jams
lofi lounge - deeply relaxing vibes to rest to
Romantic Chillhop: Sexy Slow Beats for Intimacy and Sensuality
Mindfulness with Lofi: Meditation Rhythms
Gift Return Day Beats: The Chill 100 2025
城市画面中的爵士魅力伴随轻音乐
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e88158b565bddcf8f737c4f3a5b7b84ddff920049c86061779ce5f030885792. 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/PLH492401432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eb0b9b957742bf6223c775308b180fc75e9b55cd1d538ac143cb1c4ea60837a. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/DEXN92541993.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee70447b9b2235d30946e7ecbbed3d235acdfed282855c4574cc780594648320. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEXN92541995.
The Butterfly Floats Around Listening to Lofi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4278093a77f796907e197e3d93740b8eb1ab227122830421b539bb833a9fa75a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/PL2C12349654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc33a6711cb46ff24de86a006eb4bcdbd74a9f0b00c0d6c9d59fc06062d74b01f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2C12349657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e24385f97bb39054d8057ef0ffd903a92ba4b6d86e194e64075ea4a652f9ae9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2C12349658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8baa4c50f664375395b71fa8a18018c3dc75cdd0a2793d8cfb1c01d68c7d92c0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PL2C12349661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2176ed6285c49d310f5736e084cf651e99157ae768482879fa2d8e2a78d483e2. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/PL2C12349655.
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 0xcd2484f788b496245db39137242bdce07e4693eed325fa2e71a381f55b480e38. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/PL2C12349656.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c4bb9fcda70d519da75516278b4f53290e7a7b10293a3c09b2f28b906296db7. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2C12349659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x145009fdf0522355d3bd3d8bbce291e34b32c98b1368e0f7997bed59872ed5ba. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/PL2C12349660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x167702cb29b9b7ebda117fd9a5a4b5e1ab48de2e2096d72deecf71734711bfc1. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/PL2C12349662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb5d582b0d69d58aa1bb7acb7a2a171437046bdae20ddbbde10fedf6e85f78f0. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/PL2C12349663.