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 0x5cc4547fb64f3369106b247f58e3ec8c8c7db38d033dcdcd157ac3c6b87f7c3c. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c8b67523-52d1-43e7-8524-5674c95b9e62.json and https://artists.proofprofile.net/proofs/artist/c8b67523-52d1-43e7-8524-5674c95b9e62.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sad Lofi Music For Depression - Depressing Study Radio Mix
Beat For Chill Sad Days - Sad Instrumental
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 0xab4b77ef0f28232b8c338766bf392dd20e878ac57b5eca4bbc8430737647beb1. 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/QZP7F2237545.
Music For Being Depressed and Sad - Sad Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4667c43dae23d0a9507eb742fa488788397803be373b1893701e2a6fc757dc79. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/QZP7F2237553.
Depressing Lofi Music For Break Ups (Sad Instrumentals)
Chill Lofi For Depressing Sad Break Ups (Low Energy Lo Fi For Depression)
Songs For Depressed Mood (Lonely Lofi Instrumentals)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf59fe3876a155c197b6505b0c2d2ce7ce549f8b1904c9395f5c1e6f5cd57fd. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/CBC6H2011746.
Depressing Jazz Lo Fi Day - Sad Instrumentals Playlist
Music For Being Depressed And Sad - Lonely Lofi
Sad Lofi HipHop Music Mix For Depression - Depressing Chillhop Study Radio Beats
Sad Instrumentals For Depressing Days Of Depression
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141112a1e4bf28f6f637cc0079f3e5221014e4bd0759e7bd05a3117e0ebba661. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZP7F2307635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5abc0006ebce15fec6898d802e36631e4c450c2bc2e7cbe959cf7e6c534ea377. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZP7F2307640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025e8b771af6367b9145241102d4ef2e3b06e85a3853095fc94f0f8885432cdb. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZP7F2307642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6adc3d9cf8e64aad7f4e2b9de7996c8c177a2048dd8bfb1d0f17a93c5bca1cc. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/QZP7F2307653.
Playlist For Depressed Mood - Sad Lonely Depression Music
Sad Lofi For Late Nights Depressing Hip Hop
Sad Songs For Broken Hearts Depressing Lofi Chillhop Mix
Sad Depressing Instrumetnals Lofi Chillhop Music Mix
Depressing Songs For Depressed People Instrumentals Radio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97897f2fca352e5011e475af03f0753c6bf30eea42caff03529242f91d967716. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZP7F2331723.
Sad Songs 2023 Depressing Instrumentals Lofi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4a204262d575ae249b4df00f111601481debdcea352fdc4ddaab3b13fb8a4a3. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T15:26:25Z), 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/QZP7F2331678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6db0054e0adf6026b591cb19bf18f746d32612852504a3505c4346158614149c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZP7F2331690.
Positive Vibes For Depressing Days Depressed Recovery Playlist
Sad Depressing Lofi Hip Hop Low Energy Vibes
Lonely Lofi Chill Sad Depressing Lo Fi Hip Hop Music
Sad Late Night Lofi Beats Chill Depressing Hip Hop Beats
Depressing Lo Fi Hip Hop Music For Sad Break Ups
Gothic Lofi Hiphop: Dark, Sad, and Emotional Beats
Dark Lofi Beats: Emo, Gothic, and Sad Hiphop for Broken Hearts
Sad Lofi Beats for Depressed & Heartbroken Souls