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 0xef2eae1ea89f299036a7a9ce131b6fd50ba48f597fbe14582cc95ffe32b9826a. 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/361a0d84-7836-43f4-b67e-f511cf306b6c.json and https://artists.proofprofile.net/proofs/artist/361a0d84-7836-43f4-b67e-f511cf306b6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e40b9cec54cb919ea4cb398937ad0b4bd95b2714532656eef0a17208ff4875e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/IEWWH2435719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x803b0102a7acd26aed0e2484bd4893d7be1941aa886437258246d728fd224fbb. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/IEWWH2435721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20ff010ceb2aca2e7ddda3b95dcd8acb3a8bade1a63ff987e6cc26d797fd7a92. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:56:12Z), 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/IEWWH2435723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa740cda2b0d5d901285ec8862ef5a8ee955bc24710041b958cdd3c6b7080873. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/IEWWH2435724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa0196336bfc6140dcf43752d34a28f1023f67853527ce83bdd535ccad1a524. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/IEWWH2435726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b327d366f2993232a1483ac1765374dc76129eff627ce4b4f3be86ab284543. 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/IEWWH2435733.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cfd8f76204790a9ed9919fcee6ccfe677b700314e31e982842404b35a796957. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/DEXO32460990.
Tranquil Green Sound - No Fade, Loopable
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfc2b148321a44551499499240799f622480d44438ee4943de2dee3ecba1e2a8. 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/DEXO32460991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c527441fd5a7a48bc8d6b8056ef9be6d8e69da7020e9d6f1faf06521df54c12. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/DEXO32460992.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebe27de1bf4c8755c0d2b5734cacf6a31342aca32affd15b233d6fba49c0b25a. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/DEXO32460993.
Nature's Calm Green Noise - No Fade, Loopable
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x063e0533a17b6dcaf75bd0c3f118e4ed862881be301a594afeca1a4a4377759f. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T19:51:30Z), 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/DEXO32460994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2493528c547422a60b63240c2ea9abe22ba2abfdfbe5a6368cff19ae2a75cb7. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/DEXO32460995.
Energizing Green Sounds - No Fade, Loopable
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8509d732669d38fa618f527d647701711e83a6d7ce89a57b7c5b26c5932c2074. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/DEXO32460996.
Green Noise Atmosphere - No Fade, Loopable
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90f3e31e0bdef958570bd377a9edb6af8e3b5261ddfaeb71839a12bbf697483d. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/DEXO32460997.
Balanced Green Noise - No Fade, Loopable
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe861a59321cde1733829970145e10110f311303dcb88ab2f65b83a8f957f43ae. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/DEXO32460998.
Restorative Green Waves - No Fade, Loopable
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040bd4ab44ce8337d9439b2e8b2fbe1e5983b2b13932f4c184eed20b5f407cbc. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/DEXO32460999.
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Wake Up with Positive Morning Affirmation: Best Guided Meditation 852 Hz
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80bdf88ef60f877720bac69eef892c3df2fee26c8c34c64ed984d0c4131bfa4f. 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/IEWWH2443403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19f110cba0591b3c9baaa8a8b363aeceac7dcc08437d2ca25eedae50a058b69. 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/IEWWH2443404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x703fcf9afb4f32fb2b978ef2ad9520bedc65c8673a9d274ee460ee45fcde088e. 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/IEWWH2443409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb33a1f94e7780ec0f652ed4a726b994de263bc90f098f471dc310761683950. 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/IEWWH2443413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a068309078dd8ef1612319498a2f1e910b1dc8109c5798fcb14455f8c4b90f3. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/IEWWH2443402.
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 0x63c35e04b1454e70e8336b27883496b6be13c1ca647d251004f354d1df150c5b. 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/IEWWH2443414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308e9c68620bf359587eeee2c463de0730f3ee991ebb0bd2c28b8148b61d368d. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/IEWWH2443416.