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 0xdeb06194f2d313ae0c01bd5ad925f3734ee3c18915af04cfd3cea8449968c12a. 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/959548a5-49a1-467d-9810-2c781fff5896.json and https://artists.proofprofile.net/proofs/artist/959548a5-49a1-467d-9810-2c781fff5896.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Sleep soundly The sound of waves and the BGM for sleeping on the guitar
BGM of the piano and the sound of rain when you want to cry
BGM for the cat on the answering machine
BGM sound and better healing music for better sleep
Night Cafe BGM Jazz Piano Relax For Work Study For Sleep Healing NightRoutine Music Collection
Super deep sleep Listen to improve the quality of sleep Relax and sleep Sleep introduction Sleep music You can sleep soundly Healing good sleep guitar BGM
Super deep sleep Sleep music of alpha wave to relax and sleep
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 0xe6faeff6feb4395a9dfdffa49ca89198f272a50e0b347837cb94fca168985551. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/TCJPL2049533 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf764e5f17317f849bf09e83b8beede14f918d948fe883af142ddc60ab871d2d0. 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/TCJPL2050212 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a7678acf4057a2b628cf2f20ca81e398c6e793f7ada0f5665e5c6cfc882c468. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2050218 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x654bd5589170f22d6fdc0db1de03ea31e6806c927923d1146621182cfa3782ee. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/TCJPL2050220 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e6c6a7fdb544e655f93a93e3aa717780673c5e98456823aaa290bd408a32ecd. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2050224 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa724c4b49837a45945c7e935960e6b8b71b2d15a9f7efe25676ab50c6293a20e. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2050225 — a six-check JSON result.
Sleeping music that improves sleep quality
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafdf3aa2afcacef9bbb004ab01db5e4a723605ba308bc544880f739e886d21b5. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T08:17:14Z), 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/TCJPL2050227 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235fe04c9beca51be9871b8cc42f10f9d28c5bd60521a888710c5a4667f9e8ec. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/TCJPL2050230 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacf6de6ffacc10c07dc67fd7d8881bb718e3df994cb15b26c97992e4f5868d13. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2050231 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3312e98efe1ecad3579727fb895ccd6a9bd2846503a10656999da8098ec2d477. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2050233 — a six-check JSON result.
A healing guitar that gives you a good night's sleep
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7228bfcb09ebcb919fcc208f851509568a1749c7733b4ade3e62c5654d29f0d2. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/TCJPL2050237 — a six-check JSON result.
Relieving stress with an alpha wave and a healing guitar Sleep-introducing music Fatigue recovery Sleep soundly Healing music that sleeps
Sleeping !! Sleeping with a healing guitar and the sound of waves Sleep yoga Meditation Fatigue recovery NightRoutine Sleep introduction music
Relax in the river murmuring and music box Sleep music for cats Cats rejoice Bird sounds and paper ASMR for people Sleeping for work Work BGM for study is also ideal
Morning Café Refreshing and motivational music Stylish cafe BGM for cooking, working, relaxing, refreshing and studying!
I want to listen while I'm soaking up in the sunset Cafe Fashionable Jazz Guitar BGM Sunset Cafe Telework Work for study / intensive work Relaxing and relaxing work α-wave sleep Relaxing chillout BGM
To deep sleep and relax Sleep yoga BGM Alpha sound and guitar make the autonomic nerve dominate and sleep immediately Sleep, study, meditation, yoga, spa relaxation music
MIND FULNESS Relaxing sleep introduction music sleep improvement stress reduction concentration enhancement autonomic nerve recovery You can get a good sleep just by listening to α waves and 1/f fluctuations Healing Guitar BGM
STUDY BGM Now study. Efficient study with optimal music Stylish and comfortable guitar BGM enhances concentration For telework For fashion
A good night's sleep Relaxing and relaxing sleep introduction music A cool guitar that's healed by alpha waves BGM For a good night's sleep for a good night's sleep Relaxed and comfortable time
Ocean Cafe Hawaiian Surf Guitar BGM Relaxing organic music for work, work, study and telework.
Ultimate sleep music Relax BGM The sound of the sound of a good sleep and the guitar
Healing Piano cafe Fashionable cafe mood Relaxing piano for work
Music that makes it easy for anyone to sleep soundly Sleep study yoga meditation mindfulness Healing music of healing of guitar and alpha wave
Sleep surprisingly quickly Soothes your mind and body Sleep-introducing music Gentle guitar and wave sounds Alpha waves relax your mind and body
If you are worried about relationships Relaxing music that calms the mind Wave sound and alpha wave sleep introduction ambient
Your relaxation to do your best in secret The law of sleep and music Gentle and quiet piano BGM
Healing Sleeping Animal Story A new form of sleep with alpha-wave guitar and relaxing voice Relaxing sleep-introducing music for a good night's sleep
ASMR White Noise For relaxing sleep, for work to improve concentration Kyoto power spot river murmuring
BGM of sleep healing that makes you sleepy naturally and sleeps Good Relaxing & Good Sleeping Sleep introducing music that allows you to sleep soundly just by listening
Music that only people who suffer from sleep can listen to healing relaxing guitar
Gentle guitar BGM that can sleep in 2 minutes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a849c455d6e28e7deb7f50a679a02c03ee1644fc609895643cfbc25aaa37bc9. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/TCJPO2153598 — a six-check JSON result.
HAPPY SLEEP Quotations reading and guitar that you can relax and sleep with a happy feeling (feat. Kotarou Hisui & YOU)
Listen when you're sad on a rainy day Painful piano
You can sleep just by listening Fantastic piano BGM For sleeping, for relaxing at night Alpha wave aroma healing
Music to be healed I can't sleep, so I listen to this
Sleep piano Relaxing piano and the sound of the healing waves of alpha waves
Piano sleep music For those who have difficulty falling asleep Have a healing night with the sound of alpha waves
Music for Sleep Music that sleeps quickly Deep sleep Piano that falls asleep
Rich sleep It makes you sleepy and heals too much α wave guitar BGM
Shin Sui Min Relax to survive this era Healing alpha wave piano BGM
How to put yourself to sleep Relaxing and healing piano Rest your tired brain
Listening Supplements BGM for relaxing and healing both physically and mentally Tanabe Pharmacy Presents
Temple Meditation Sleep Music Calming Forest Sounds and Beautiful Piano Healing BGM for Sleep / Work / Meditation Kounin presents
Sleep Improvement Plan 528Hz Healing Relaxing Ambient
Nereruyo 1000 Relax Effect Sound sleep support Stress relief Sleep quality improvement Healing music
Sleep Introduction Sleep music to rest your brain CALM MUSIC αwave Healing relaxing sleep inducing BGM
Piano for Sleep Healing Relaxing time companion Resting the brain and improving the quality of sleep Sleeping soundly Piano ambient sleep inducing music
Super-pleasant sleep Relaxing piano with the sound of a bonfire and soothing piano Relaxing INST that makes you sleepy just by listening to it Heart-warming on sleepless nights Soothing sleep-inducing piano
Super Relax Soothing spa music Ambient background music for sleeping, working, reading
Sleeping soundly sleep well with a deeply sleepy sleeping music horse! ? Mysterious sleep introduction INST Piano Anobient Relaxing Healing Time for Relaxing Healing Time
Heart warm winter Sleeping music It is a time -time sleeping for sleeping for sleeping work that relaxes with a beautiful sleep piano healed by a beautiful piano and snow.
Forest Coating Music Healing piano like being in the forest, for morning cafe, for working, teleworking, napping Forest sound, river sound with white noise ASMR
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab572528e38b5f1ed1bd793dc5271ea4bf137691a42401aa47e150aa44071f8. Chain 2 (Bitcoin): anchored in block 959073 (2026-07-21T23:25:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2295088 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0cbabfb0cd0ec9ebca610caf08989365211a470607aaaae58bdf4b166376441. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2295089 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f40015dc1705198945534b854b4c0f20ca1850d2fd3c1189981ae5300b64cca. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2295091 — a six-check JSON result.
Cat Sound Sleep: Cat's favorite sound of river and gentle music box music Sleep inducing music for cats to relax and sleep
Luxurious sleep that makes you sleepy just by listening to sleeping pianos and sea sounds relaxing nights of the sea. Listen before you fall asleep.
Spring Sleep Music Spring, Spring A beautiful piano, A time of healing BGM for work, BGM for work
Crying piano sleeping work Relaxing healing melody resonates with your heart -excitement and relaxation -release of your heart tears Detox
Sea piano to listen in the morning -Morning healing piano -refreshing morning relaxing time Every day is a new morning comfortable time
INST: Invite you to sleep to get sleepy just by listening to the piano
Healing piano sleeping work for healing on a rainy day relaxing healing music
Meditation BGM Autonomic nerve to prepare the parasympathetic nerve and relax and sleep to sleep.
Morning Cafe Morning Morning Music Morning Morning Morning Routine for Refreshing Piano Music Listen Music Piano Music
Summer Sleep Music Relaxing Piano Sleep Listen to Sleeping Sleep Listen BGM Meditation Spa Music For Work for Work for Telework for Meditation
Night Cafe BAR Adult Relax Jazz Piano Healed by stylish jazz for work for sleeping for sleeping for sleep
FOREST HEALING Cafe sleep introduction BGM, meditation BGM in Ghibli
Ultimate Sleep Music Healing Medicine Medicine Sleeping Wave Sounds and Ambient Piano Relaxing 1/F Swingy Sleep Sleep BGM For a good sleep sleep
SLEEP LOUNGE PIANO Relaxpiano Healing Healing Healing Telework Sleep BGM
Top-notch sleep music People who can work better sleep better Relaxing piano and guitar healing Improve the quality of your sleep
Yokohama Bossa nova Work BGM Stylish House Time LUNCH TIME Yokohama Kan Music
SLEEP SOFTLY fluffy soft sleep piano sleeping meditation Relaxing piano album
Night Jazz Adult Relax time work studying for concentrated Sleep For Sleep For Stylish Spaces
Healing time sleep introduction BGM Work for study meditation with bonfire sound and healing guitar resilience guitar and bonfire ASMR
Spring Sleep Spring Spring Listen to Rilakkspiano Relax, Meditation, for Sleepy Dyeing
Beauty Sleep Sleeping on a healing piano relaxing time meditation for improving the quality of sleep
Wednesday Sleep Music Weekly Night Routine Healing Sleep Piano Relaxation Healing Good Sleep Night Work Meditation BGM
Friday sleep music Weekly night routine Healing Lo-Fi Hip Hop Stylish relaxation Drinks Night work BGM
Monday sleep music Weekly night routine Healing sleep piano Relaxing healing For sleep For night work Meditation BGM
Saturday sleep music Weekly night routine Stylish jazz piano evening drink BGM for night work BGM for studying concentration
Sunday Sleep Music Weekly Night Routine Healing Sleep Ambi Piano Relaxation Healing Good Sleep Night Work Meditation BGM
Thursday Sleep Music Weekly Night Routine Healing Sleep Guitar Relaxation Healing Deep Sleep Night Work Meditation BGM
Tuesday's Sleep Music Weekly Night Routine Healing Sleep Guitar Relaxing Healing Deep Sleep Night Work Meditation BGM
Super Sleep Technique The best relaxation music 10 piano music brings you an overwhelmingly relaxing moment Sleep-inducing BGM For meditation
Rainy Forest Healing Piano to listen to on rainy days For sleeping, relaxing, and meditation Rain dew and the scent of the forest
Forest Morning Piano for waking up in the morning Healing Piano Instrument For refreshing work in the morning For relaxing
Ocean Healing Piano played while listening to the sounds of the ocean For relaxation For night work Sleep induction BGM for a good night's sleep
Sleep well and relax. Relax your mind and body with a soothing piano. Sleep-inducing BGM for a good night's sleep.
Relax Lounge BGM Super cool Jazz that will cool your room just by playing it For evening drinks For night work For relaxing time
How to sleep comfortably in summer Healing BGM for a good night's sleep - Listen on hot summer nights when it's hard to sleep - Relaxing time with beautiful cool piano and the sound of waves - For sleep, for work, for relaxation
Healing sounds for long autumn nights ~Relaxing healing guitar~ BGM for sleep induction, meditation, and work
Healing Enjoy a relaxing moment with soothing piano and the sound of a flowing river Sleep induction BGM Meditation BGM Work BGM
Negative ions from waterfalls Relaxing piano and water sounds that soothe you Sleep-inducing BGM Meditation work music
Luxury soothing piano music.Feel like you're in a luxury villa.To spend a relaxing holiday.For sleep, meditation, and rest.
It's almost time to go to bed. Relax and sleep while listening to the gentle piano.
Train sounds and relaxing piano Gentle piano and train sounds will make you sleepy Sleep-inducing BGM for deep sleep For night work For meditation
Morning Piano A refreshing piano to listen to on a refreshing morning Enjoy a relaxing moment by playing it in your room on a busy morning Morning Forest Cafe Piano
Healing Guitar Best Soothing guitar sounds that make you sleepy when you listen to them
Soothing Sound Bath Time with Gentle Relaxing Piano and River Sounds - Healing for Mind and Body - Background Music for Sleep, Work, and Meditation
Winter Emo Piano ~Night Relaxation~ Sleep induction BGM Work BGM Meditation BGM SNS video BGM
Soothing Piano Music for Peace of Mind - Miyauti Clinic Music Experience
Piano Music for Cold Nights: Soothing Sleep-inducing BGM to Warm up Body and Soul
Ultimate Spa Music - Overly Soothing and Relaxing Piano for Luxurious Relaxation at Home after Bath or Before Sleep
Heavenly Music: Relaxation Time with Soothing Piano
Top-notch Sleep Music Appreciated By The Elite: Rest is the Most Vital Work. Relax Both Mind and Body for Tomorrow With Soothing Piano Music.
ATOCARE Healing: Relax with Healing Guitar Music, Enjoy Your Time at Home, Background Music for Work, Sleep Aid Music, Meditation Music
Relaxing Chillout Piano: Unwind with a Fantastical Piano
My Deep Sleep Night Routine: A Healing 60 Minute Process
Healing by the Lakeside - Music to Listen to When Your Heart is Weary - Relaxing Moments Before Sleeping to Soothe Your Soul
at HOME Cafe: Relaxing Piano Music to Enjoy at Home - Perfect as Background Music While Cooking, Working, or When Guests Are Over
Piano to Listen to in the Morning: Zen Forest Meditation
Zen Music for Healing Energy in the Forest at Morning
OCEAN MORNING - Refreshing Piano Music for Feeling the Ocean that You Can Listen to in the Morning, Healing Just by Playing it at Home
Star Light Sleep - Relaxing Guitar Music for a Deep, Restful Sleep
Meditative Booth - Relaxing Guitar for Mindfulness and Tranquility
Tea Time Piano: A Relaxing Musical Experience for Those Intimate Moments with Guests
Relaxing Piano Music for Sleep - Perfect for Listening in a Room with a Fireplace
Sunset Healing: Relaxing Guitar Background Music for a Peaceful Dusk