1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x5fa902e2432b16dc4836e1550a7f7c1b8eec320de6e05442571a7afebab200be. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e893237f-8ebd-4162-98d5-9a6489868ec7.json and https://artists.proofprofile.net/proofs/artist/e893237f-8ebd-4162-98d5-9a6489868ec7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sleep and Relaxation - Soothing Piano Music for Meditation, Background, Sleeping Music and Positive Thinking.
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 → block OTSBitcoinBlock must exist at that height 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 0xe91b7a2a681646529eb66bcb1ec27db157d9b1285fb191d443f93c0ccaf0f5d0. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GBSMU2466161.
Chillout Piano Mix for Lounge & Relaxation
Schumann Fantasiestücke, Op. 12 III. Warum
Schumann Fantasiestücke, Op. 12 Anhang Feurigst (con fuoco)
Schumann Kinderszenen, Op. 15 IV. Bittendes Kind
Chopin 24 Preludes, Op. 28 No. 4 in E Minor
Instant Stress Relief - the Ultimate Collection of 50 Peaceful Piano Pieces for Easy Mus
Mendelssohn Lieder ohne Worte (Songs without Words), Book 2, Op. 30 No. 3 in E Major
Liszt Consolation No. 4 in D-Flat Major Quasi adagio
Mendelssohn Lieder ohne Worte (Songs without Words), Book 2, Op. 30 No. 12 in F-Sharp Minor, Op.30-6 Gondolier's Song
Essential Melodies | Calming Work and Study
Liszt Consolation No. 3 in D-Flat Major Lento placido
50 Piano Tracks for Stress & Anxiety Relief
Schumann Kinderszenen, Op. 15 VII. Traumerei
Peaceful Piano for Studying, Focus, Relaxation, Meditation, Baby, Yoga and Positive Thinking
Easy Listening Piano Music for Studying, Reading, Concentration, Focus, Memory and Brain Power
Solo Piano Music for Studying, Working, Concentrating and Focusing
Piano Music for Studying, Focus, Memory, Work, Brain Power and Concentration for Exams
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x614f5069d098a10db56515fceb839cd66a1162c8fcfce927f36580ee5ce41c8d. 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/GBSMU2466154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb0d5d543c8857e60470cbd082022731394aaf7b802e7782831705604d5839c0. 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/DEAR42562719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26f567fcfeccbd64ca21feec93d8eb329b4c4f296ca974dca13720180223f6f2. 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/DEAR42562668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e2ee407c8c08972e17720b8d5902a89cce5036a1331ce99f1bdd455a7b1221. 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/DEAR42562690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb8252208f5dc08613516e853b154d6cac1c0093d5dd091a11d619b9f101d70b. 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/DEAR42562619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad39b61c43ede89fbbc2a0a437d93ab4268ee60c51b00346d673e3512f13455a. 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/DEAR42562521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5bf13de4c99a22d50fd90c6de860767e679bdec142e7d6b0b09e1dcd64edb1. 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/DEAR42562765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f6ff7454aec0aacc369689c375b865df0d375ed966c513f79f447a08221e46. 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/DEAR42562626.