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 0xe0cfb21d3741543dbfd2df09c5d50463b4b4ec8e61333b518c7e972836161401. 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/c62d4029-e33e-4dfe-bc26-7adc9558854c.json and https://artists.proofprofile.net/proofs/artist/c62d4029-e33e-4dfe-bc26-7adc9558854c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Office Music - Relaxing Music for the Office, Anteroom, Lobby & Waiting Room, Soothing Sounds for Work to Reduce Stress, Mental Stimulation at Workplace
Break at Work - Office Music for Busy People, Reduce Stress, Pleasure and Easy Listening in Workplace
Mindfulness at Work: Meditations - Office Music for Improve Concentration and Calming Nature Sounds for Stress Reduction & Yoga
Relax at Work – New Age Healing Music,Help You to Find Peace in the Office, Relaxing Therapy, Calming Music, Rest, Nature Sounds
Relaxation Techniques - Relaxation Meditation, Close Your Eyes, Nature Sounds, Relax Yourself, New Age Relaxation
Closer to Peace -Relaxing, Calming, Green, Planet
Surrounding Peace – Unity, Sensitivity, Subtlety, Softness, Smell, Aroma, Sky, Relax
Concentration at Work: Sounds for Mindfulness Training & Improve Focus, Effective Sounds for Stress Reduction, Problems with Nervous, Positive Thinking Sounds Therapy
Психосоматика (Фонова музика для офісу: Розслаблюючий бекграунд, Комфорт відвідувачів та працівників, Заспокійливі мелодії, Підвищення продуктивності, Елітна атмосфера, Релакс)
Work at Home, Relax and Feel Like You are on an Exotic Island (Relaxation, Meditation, Free Time)
Relaxing Office Music. Brain Stimulation During Work. New Age Sounds, Not a Stressful Job
Mindfulness at Work: Meditation Music Background during a Break from Work
Relaxing Music for Offices. Spatial Sounds, Concentration, Pleasant Atmosphere and Time
Study at Home: Binaural Beats Beta Waves Music for Focus, Memory and Concentration
Relaxation for People Tired After Tasks: Calming Vibes, Soothing Music to Heal, Controlling Your Thoughts
Relax After Work: Calming Vibes, New Age Music, Moments of Rest
Office Relaxation Music: Meditation Music for Work, Stress Buster with Calming Counting Breaths
Open Work Space (More Mindful at Work with Relaxing Meditation Music)
Nature for Home Office Concentration and Focus Music: Bird Noise, Gentle Rain Fall, Waterfall Relaxing Music, Forest Sounds
Deep Focus and Productivity: Singing Bowls for Work, Meditation for Workplace, Providing Tibetan Wisdom
music for late night working (soothing ambient music)
So Relaxing: Quiet Songs to Help You Relax, Unwind and Loosen Up
Unveiling the Calm and Serenity of Zen Music (Relaxing Music)
Transform Your Space: Purge Low Vibrations, Repel Negativity in Your Home, and Office, Manifest Abundance
Calmness in the Office: Meditation for Work, to Relax and Refocus, Increase Productivity
Koncentreret Drømmevandring: En Nattens Rejse med Celeste
Telecommuting - Work from Home with The Best Relaxing Music for Your Home Office
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 0x6e517510542e06ad6ed1fb9077b41e345cf198da17c118738f4eae397d5ec9c4. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLS921862326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e5c21fd6585bd683053ec7a0820d26f456f13bc5b986a5d91bfc7231299b5f0. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/PLS921862320.
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 0x5696ec4df272eb3c8e4c9aa31ccea4bf809b80c30457d1c93c2f87d640b655d2. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/PLS921862321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97dcb0f14d6c304252090244461c1dc78caa68891ce0df6e95d78a3b28257d46. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/PLS921862323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5a78cef968130751023ef08a41d58f3a171979a476efed5b48e93aff9344f6. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/PLS921862324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d5893c96cf6726bd4b4ee3628bb1cfaa0f06d56517e710633499e03f54b774. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/PLS921862325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ef9fbc73db7c349e0bfd735d52ae53b23ed6d7e90097ff384e5fb7e508e6033. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/PLS921862328.