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 0x9ccb11aaa2a33ab08eb90c0a5a678453e6277282c86c2265fc5fa1372b84be7e. 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/15e5b965-fa6f-41bc-b46e-0dd16b89a286.json and https://artists.proofprofile.net/proofs/artist/15e5b965-fa6f-41bc-b46e-0dd16b89a286.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Amazing Hip Hop Jazz Lofi - Bgm for All Night Study Sessions
Backdrop for Vibing and Chilling - Energetic Jazz-hop
Happening Background Music for Chill and Rest
Marvellous Lo-fi - Ambiance for Night Time Chill
Music for Sunday Studies - Calm Jazz-hop
Extraordinary Chill-hop - Bgm for Coffee and Lofi
High Class Ambiance for Resting with Lofi
Luxurious Music for LoFi and Coffee Time - Jazz-hop
Music for Smooth Storms and Lofi - Urbane Jazz-hop
Music for Smooth Storms and Lofi (Jazz-hop)
Music for Smooth Chillings - Deluxe Jazz-hop
Vivacious Lo-fi - Background for Neon Nites
Dream Like Chill-hop - Bgm for Neon Nites
Exciting Chill-hop - Bgm for Summer Chill Out
Music for 100 Ambient - Alluring Jazz-hop
Music for Favourite Lofi Relax - Jazz-hop
Sophisticated Background Music for Downtempo Relax
Sublime Chill-hop - Bgm for Relaxing Coffee
Remarkable Background Music for Getting Better
Music for Nocturnal Lofi - Simple Jazz-hop
Soulful Lo-fi - Background for Feel Good Colors
Magnificent Lo-fi - Background for Favorite Rhythms
Stellar Music for Amuse Flashbacks - Jazz-hop
Opulent Background Music for Quiet Walks
Lofi Times: Relaxing Beats To Read & Study Tonight
Backdrop for Classic Stories - Tranquil Jazz-hop
Magical Background for Entertaining Spaces
Music for Nocturnal September - Fiery Jazz-hop
Simplistic Music for Nocturnal September - Jazz-hop
Sophisticated Ambiance for Creative Clouding
Relaxed Lo-fi - Background for Modern Mondays
Sensational Lo-fi - Ambiance for Intense Study
Backdrop for Intense Study - Happening Jazz-hop
Lo-fi - Ambiance for Mellow Monday Moments
Glorious Music for Intense Study - Jazz-hop
Elegant Music for Periodic Studying - Jazz-hop
Incredible Lo-fi - Background for Lofi Times
Lofi (Music for Peaceful Studying Moment)
Brilliant Music for Fast Spirits - Jazz-hop
Delightful Ambiance for Mellow Monday Moments
Urbane Lo-fi - Ambiance for Periodic Studying
Number One Lo-fi - Background for Sweet Fantasy
Friendly Background for Optimistic Sounds
Smoky Lo-fi - Background for Optimistic Sounds
Music for Peaceful Studying Moment - Peaceful Jazz-hop
High Class Lo-fi - Background for Creative Chances
Chill-hop - Background Music for Lofi Icons
Lively Lo-fi - Ambiance for Creative Chances
Music for Alpha Fusion - Carefree Jazz-hop
Chill-hop - Background Music for Magic Ballads
Luxurious Music for Relaxing Friends - Jazz-hop
Funky Chill-hop - Bgm for Effective Hope
Backdrop for Attractive Lights - Cultured Jazz-hop
Chill-hop - Background Music for Binaural Moods
Relaxed Lo-fi - Ambiance for Magic Ballads
Relaxing Lo-fi - Background for Forgetting Fusions
Simplistic Backdrop for Back to Illusions
Backdrop for Back to Illusions - Jazz-hop
Wondrous Lo-fi - Background for Brave Dream
Hypnotic Background for Back to Illusions
High-class Music for Brave Dream - Jazz-hop
Spectacular Ambiance for Back to Illusions
Phenomenal Backdrop for The Time of Today
Deluxe Chill-hop - Bgm for The Time of Today
Chill-hop - Background Music for Serious Sessions
Music for Manageable Work - Tasteful Jazz-hop
Spirited Lo-fi - Background for Team Choices
Inspired Lo-fi - Background for Virtual Style
Festive Lo-fi - Ambiance for Ideal Minds
Music for Chillhop Sunsets - Lively Jazz-hop
Music for Ideal Minds - Brilliant Jazz-hop
Distinguished Lo-fi - Ambiance for Ideal Minds
Backdrop for Ideal Minds - Delightful Jazz-hop
Music for All-Nighters - Delightful Jazz-hop
Music for Tranquility Fi - Funky Jazz-hop
Simple Background Music for Unwinding Nights
Heavenly Lo-fi - Background for Private Monday
Music for Calming Lofi Moments - Jazz-hop
Wicked Background for Calming Lofi Moments
Chill-hop - Background Music for Calming Lofi Moments
Superlative Chill-hop - Bgm for Connected Images
Music for Reading Platforms - Hip Jazz-hop
Music for Chill Out Time - Lonely Jazz-hop
Backdrop for Right Vibes - Mysterious Jazz-hop
Pulsating Lo-fi - Background for Echelon Memories
Backdrop for Echelon Memories - Spacious Jazz-hop
Office Groove: Relax Lofi Beats for Work
Woof and Chill: Laid-back Tunes for Your Canine
Pawfect Vibes: Chill Lofi Music for Your Pets
Sleepy Beats: Lofi Sounds for a Restful Night
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 0xfbff64c3de985e36fef0abcd982da3afa1959f917c2648517b0b221a40f8ca3d. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:36:41Z), 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/GBRKQ2335789.
Serene Lullaby: A Calm Lofi Melody for Baby
Study Groove: Lofi Jams for Learning with Style
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2111e98229590516da7834250f35d531592cdb040a1fc34b6f877503523b8ca5. 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/QZTRX2335339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafb8e772cf4cab1c72f966470ee62cbb722705c730885b83e4a610f1b4132566. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QZTRX2335340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e0918f73bed3f9a8d80c849f61be4e60b0dfe67e3e75da67dbe5168ebc0ab6d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZTRX2335335.
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 0xdee7cb6dd6aaafd902d16b72116e5e758ed6ed72fe61cde734955671e96465bc. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QZTRX2335338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f8ca642979106d131548e30b006d83a5673877aa226f7a6ef3f78f656c5c7ef. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/QZTRX2335342.
Lofi Concentration: Mindful Beats for Enhanced Focus
Relaxation Vibes: Ambient Sounds with Lofi for Stress Relief
Lofi Mindful Study: Chill Melodies for Academic Success
Calming Melodies: Lofi Lullabies for Babies
Harmonic Lofi Serenade: Calming Focus Beats with Ambient Sounds
Lofi Sunset Serenade: Calm Relaxation Melodies
Lofi Yoga Tranquility: Mind-Body Unity with Ambient Sounds
Lofi Baby Sleepwaves: Ambient Sound Harmonies for Sweet Dreams
Lofi Baby Nurturing: A Harmonious Loving Bond
Serenity's Embrace: Lofi Relaxation and Harmony
Healing Touch Harmony: Lofi Spa Melodic Bliss
Inner Bliss Ritual: Lofi Calming Spa Melodies of Renewal
Wisdom's Lofi Embrace: Study Melodies of Discovery
Radiant Lofi Reflections: Enchanted Soundwaves for Relaxing Exploration
Calm Pet Moments: Lofi Tracks for Peaceful Coexistence
Lofi Serenity: Yoga Soundscapes for Inner Peace
Lofi Yoga Oasis: Elevating Your Yoga Experience
Meditation Pulse: Hip Hop Music for Balance
ビルのトップ、ジャズとローファイのスカイライン
Lofi Meditation Sounds: Calm Focus Tunes
Harmonic Lofi Grooves: Soft Melodic Layers
Hip Hop Chill: Beats For Total Relaxation And Peace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613319886806b5e9bd353aea70751f41236373b0178ddcdf171e6a55f371ec78. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/PL0B62334404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03fe7b1c396e1e13f0cd190a9ed1b0ad821e42747d763881d5ab75a57769602b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/PL0B62334407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbdfa7e01941a41607b47aeb03b640fc7e3ff26443d11911f447de42d9a2cbd4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/PL0B62334410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05723105279de0894d196ca49e7591f9d415d3160b1154788c0ce8323a0312e5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/PL0B62334411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6b65cb6da9c51480c5a1f4e9a3c226af063cc20b8490d53fc05d18a6e3dfe5d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/PL6B02311129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b0ee81b971761819480e1936205ae8ada40fcd264d7c5e14d4e84b755dcb5d6. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/PL0B62334402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf14a36ccd67bf680a1db1b4c7918369e76c0d2250c163d7e2fa530ab8096f06f. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL0B62334405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7159553196398b3119249655c68ba5e54fbc78cc50deeceeeb8ea02130521a5a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/PL0B62334406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00c0d30b4e32df23f332144bd4532b5eb2996135f9708297772eea6c40de9eb6. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/PL0B62334408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc284829ac56d00e7ffae5268f09942660850be344f0f3136e4d4c7d87e80aba1. Chain 2 (Bitcoin): anchored in block 960285 (2026-07-30T17:26:40Z), 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/PL0B62334409.