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 0xb55cf0c1e9c6384d412607a7f773aef603f45f73c54afac0d85beb80b989f570. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/805fe469-914b-49f8-9cbd-332be3f3ef88.json and https://artists.proofprofile.net/proofs/artist/805fe469-914b-49f8-9cbd-332be3f3ef88.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x8c250c8f24b00007a4570481165abf2cfbbfd9eb6b8ebb683a3e4b3db8ecfa00. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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/QZP7F2412583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ed7bb6b7785f7c89ab4859f82d13ca06b93999dc6a0ec97ffc243717402ec6. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/QZP7F2412584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ba78b3cda8fead3e465ee519389f479cee202fa6af28f761382b0251fa61ddd. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZP7F2412585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x810e4703c9697c3a8a473b9c31caf65eea075275cc3e9397c720653280c3c961. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZP7F2412586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075393b41284aa4e1a362a323977fed2cc8f531bc38112c38f0438d3ad8629b8. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/QZP7F2412587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe89b93d319957bd666eb6b93389b6d55b943e1bdc10fc4e59074962b3ba2358c. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZP7F2412588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6aba56155b29bce7c7e2ecd0efdf6ce493c82e811e66557838d5e997ce032e6. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZP7F2412589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb002f2fddbeff294909e9fde39b84f910cca71d496c41315ca8dbb69fd35e5b. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZP7F2412590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae282f31ffb5112f68a83088abcc1734b369617b486855fae61a89f7d95ee3c. 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/QZP7F2412591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd14506098e5cf8adbb0d6c4101300e45ed0eabec2fdeda957100f06f07c6be82. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZP7F2412592.
Deep Relaxation: Soothing Music for Stress Relief & Focus
Calm & Tranquil: Peaceful Sounds for Meditation & Sleep
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3617f3cfed037da43293c295372f80d3bee90ac0d75474f09d04f1f4d689ca1e. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/QZP7F2550443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca1d583397997703d71e11137409328a53b77b11cb84d1136dd84cec2c5aef5. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/QZP7F2550444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62350fd3a7a903affcd0b29fa88ffc5e4666949bc0c8cfc6ab8fec4fe05cc23e. 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/QZP7F2550445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8b53d570205115f19b237e17f3329ec79a32cadbeee4f7f5aeaf553eeddccc. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/QZP7F2550446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82b7ce9ac8299fd8740d2c3e1043cb63588cd2b49ffb7200710895aa6294810f. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T10:04:40Z), 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/QZP7F2550448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc25fdd1c304b0eaee5703aa09e286c4230c806ace569c0eb7b9c80be29bce4a3. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/QZP7F2550449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f44a5294488cde38a1d776f2d36d6df120eaca49f80f65808c11dbeccbc4807. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QZP7F2550450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e32db80efd556da38bff361bbaa2218953d466a0e59ab5308230ffe5431f096. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/QZP7F2550451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe05af3a8ad62faf39cc814e7056dc8b215f806b21caabf6ed4687722271df8d8. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/QZP7F2550452.
Gentle Background Music for Work & Study
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x094a8e00d411657135ab82b127945c05184b90f7ba1f8ddd5c1fa638b71a6be8. 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/QZP7F2550458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a572c510d5deac8b7e03b7f240e80bcc4544916f6472d02e52efa151f7df4d. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-21T22:00:50Z), 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/QZP7F2550459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefd8153a7747f0f7b1099a443234efcdd66c432c6f9414eedee1582b341ef0ab. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/QZP7F2550460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x796f92d1475ce307353c6a7cd4af510394f7ef3392070780dad38690b7b96229. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/QZP7F2550461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdac165ca17571290329eb672767c69435d5bf75e9e46271b7042a3d76b53e6a0. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZP7F2550462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fc46942dcba8392595cb9de1b0a866733af1a0e623292e8c86977dfb8d6717e. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/QZP7F2550463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf01820335fedcafa803d31b12ea6ed22b154481d464dc8a32820e9d095ea02ad. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/QZP7F2550464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae829e8ced60d78c83a87562dfedeafb4d75c41b1b9a497644104a2410f0707a. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/QZP7F2550465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b0bfed8ed256c3573c34a9ede4eb54fb1d10754a63a4b64733f0e85f5538fb. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/QZP7F2550466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03b05ee102754e985883a6b2169a58b00a3d1a08f2c60a23412c65c8486149f1. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZP7F2550467.
Soft Piano & Nature Sounds for Inner Peace
Relaxing Instrumentals for Stress-Free Living
Dreamy Escape: Chill Background Music for Focus & Calm
Peaceful Ambience: Soft Sounds for Sleep & Meditation