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 0x542ab3f85454db80837dc045109478a361f3b7d5eacf4a291eb4afd026f01d84. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b58c7ab-f14a-41f5-a026-59afe1f49c5b.json and https://artists.proofprofile.net/proofs/artist/6b58c7ab-f14a-41f5-a026-59afe1f49c5b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fiery Jazz Trio - Background for Working at the Office
Backdrop for Calming Work Days - Wondrous Trumpet and Alto Sax
Backdrop for Co Working Spaces - Trumpet and Alto Sax
Big Band Ballad with Vibraphone - Background for Daily Routines
Background Music for Morning Inspiration
Music for Winter Vibes - Extraordinary Electric Guitars
Music for Morning Sunrise (Big Band Ballad with Guitar)
Sophisticated Guitar Pop - Background for Morning Inspiration
Easy Listening Guitar - Bgm for Winter Vibes
Bubbly Trio Jazz - Bgm for Hotel Lunches
Remarkable Bebop - Background for April Moods
Bebop - Background for Seasonal Vibrations
Music for Romantic Spring Vibes (Trumpet, Alto Sax and Tenor Sax)
Atmospheric Jazz Ballad - Bgm for Easter Break
Reading Ambiance: A Calming Selection Of Rain And Nature Sounds
Music for Always Atmospheric - Harmonica Solo
Work Music: Rainstorm Sounds for Focus Vol. 1
Acoustic and Electric Piano Jazz Duo - Background Music for Energetic Ballad
(Piano Jazz Duo) Music for Energetic Ballad
Jazz Piano Duo - Ambiance for Energetic Ballad
Meditation: Sound Mind and Focus Awareness Vol. 2
Estudio de Saxofón en la Tarde: Jazz Relajante para Estudiar
Jazz Organ and Guitar Solo (Music for Happy with Coffee)
Rain Concentration Music for Studying Vol. 1
Music: Binaural Soothing and Calming Vibrations for Work
Music for Thoughtful Mind - Piano Bossa Nova Duo
Productivity Playlist During Study Sessions
The Productivity Playlist: Motivational Music for Mindful Concentration
Nature's Harmony: Tranquil Binaural Work Melodies
Trio Jazz Soundtrack for Scholarly Mornings
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 0xb4832dab0ae64be7fbcada80a6b9d1eeb402927813bd42fee57d61e6f3254ea9. 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/QZL9X5819963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725dacec190609980267c86ace4ffae331674059dbeee1f4299dfd2a8036f254. 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/QZL9X5819965.
Wonderful Backdrops for Memorable Yearning
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3caa73606c873ea000fc7102a53d35c41577b7687e5a7858c8c219f9b3dc9c89. 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/QZL9X5819971.
Sprightly Trumpet Jazz Trio - Vibe for Study Event
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf88f7e568e87202554d0de0145fe1b21e27f164bd72b7096b589d7df7211811. 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/QZL9X5819977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b891a59386209f9c4a7c9e7a3c4a61722cc2b5b2c72a723cb798e90519e2792. 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/QZL9X5819980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x755b9256e8d9ee4b4f71a1eb3b6802a51c013294654571cefd19cd5ed17cab98. 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/QZL9X5819981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e89778089f8f74b4845e8d5df2c0807c1e10ca91d602985ac5ecb23139feb06. 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/QZL9X5819986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x110bfc144e69a9d41199382c75960e109bc089b250c069f9f4de9c6a66913dc4. 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/QZL9X5819988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74810f77f4e581ec00de8cc89ffe68567335d19d865dd57c9aa0eb37063ac3c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZL9X5819990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e67273433eb8e3993a59b180a85fcf1368823a827066bbec53dc33cb904202f. 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/QZL9X5819991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x788934dd40a1b0e6de68dd3f21a5f2ed59d6c5e4af7ae60ac906dab799ea90c4. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZL9X5819992.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb790de7c7d693637cbb87555614ba379aed0554d9d4ff5a3e1920fd1d7aebd. 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/QZL9X5819994.
Beautiful Trumpet Jazz Trio - Vibe for Scholarly Mornings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36da3dda7c86583604899000665463572e0b9bc9e68ff34674ab90d14d340992. 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/QZL9X5819997.
Pulsating Ambience for Memorable Yearning
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d52ea42736e8968a6105068344f81e89f620336db8bad8203d4570ab409974. 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/QZL9X5819998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eb0d47f1243e36ae4836d04d1455146cd65d5e11f1175ae102d021091a84fed. 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/QZL9X5819999.
Work Zen: Piano Rain's Tranquil Inspiration
Working by the Waterside: Relaxing Music Water
バーキング・リラクゼーション・シンフォニー
Rain Ambience for Work: Tranquil Sounds for Enhanced Focus
Focus and Serenity: Studying with Chill Vibes and Fire Sounds
Concentrate with Ocean Sounds: Calming Sea for Focus
Focus Frequencies: Music for Concentrated Minds
River's Focus: Music for Concentrated Study
Study Harmonies: Tunes for Effective Learning
Cognitive Beats: Music for Focused Study
Workday Concentration Beats: Chill Music for Productivity
Productive Harmonies: Tunes for Work and Study
Skyernes Skygger: Himmelsk Opdagelse med Celeste
Lofi Focus: Music for Deep Concentration