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 0x6208c420e1c36502e4db6bfe134eb6f2cacdab6f8c7a689fc98a3b2df8b386ca. 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/eacbd6a5-8232-428b-b07b-70f6ab0d0064.json and https://artists.proofprofile.net/proofs/artist/eacbd6a5-8232-428b-b07b-70f6ab0d0064.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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Musique de concentration parfaite: Fond de nature apaisante pour programmation et codage, Étude d'examen, Travail de bureau, Lecture de livres
Naturel aide-sommeil: Insomnie lutte la musique, Calme de l'espace apaisante, S'endormir 2020
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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 0xc188c4ff71dda87df3fbcc070d2f1be130122f9a98e35f1d3521d649718940cd. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLS922201584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ba652c10fe8f3778ad2c3b75a623358aee6994ace61674e496e21d3de065a78. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/PLS922201585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a9dde21a4d53dd43bcb67999aa1eba23bb1c34eb9ee45d624d8ef9498e0067d. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/PLS922201588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07037c27cbd4e047024ba72163b2ebf9a8354cd9bdb98be474704a960e90e357. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLS922201590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd0f5cf02f60dd2585053337953353bdc87018e4637c230e6e6ddfdaea05922. 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/PLS922201591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2ed3b07e0cdd91e6462f8d04ae66e93f843c6a10fc9fbea65bd942ccfb0392b. Chain 2 (Bitcoin): anchored in block 958682 (2026-07-19T06:17:12Z), 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/PLS922201592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac26a2dc8b1146b731dd3d289d3ad8509476dac7abf70c6483d70680c5f6832d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PLS922201594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c8be73cdc2d1c29258b914141cd63a3e9775163f685c4da6b11992a2afd990. 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/PLS922201596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12a9943d01c15c18a16fe890074ca37ec975cbd14adcf4f2eb2cc775e336792b. 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/PLS922201597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6ec11e123390a85dc5bd7a807ee8be4b50dc440e29f16b86e03993cbeea40f2. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T13:01:04Z), 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/PLS922201598.
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Master Your Mind: Frequencies for Brain Power, Increase IQ, Focus, and Unlock Your Hidden Potential
Frequency of Relief: 174Hz for Pain Alleviation and Deep Sleep Meditation
知性の波動: 認知力向上、癒しの音、リラクゼーション周波数、奇跡の音色