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 0x19c781d347007417d31e4e25d9c1b65141d546c82009e1958e7a1a3a8e2effbb. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ac01ac47-df53-461c-9302-d371e4be7572.json and https://artists.proofprofile.net/proofs/artist/ac01ac47-df53-461c-9302-d371e4be7572.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 0x56e76227eacfa53befc9ce4b1a11398ffe4df7b4bbc3734b1405fca5566c95de. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/CH6540872090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x921e1daadcc3c9c7abefe98832388f3bf9abc2bcbc44619f8f25fe6da7240fb0. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/CH6540872092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5530bba32586243d535f9302025db439bcdb099ef9c78912333873530509acfd. Chain 2 (Bitcoin): anchored in block 959013 (2026-07-21T13:39:11Z), 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/CH6540872094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad791503a7a189ee11253955975b91ab19b72af95d13ea332f5595898ab465d. 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/CH6540872095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98df1ee5405679f887812b476db923619bb6410fa34765205f2b05b7d8751f15. 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/USA2P1562977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cca4b6f5da47a3c39822f46ab8bb6742c9336952e4621fdf32b2c703c9b5ce8. 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/USA2P1562978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce0eced53e2e9ce31b2569ddff116597f7bda05d895e4f44efd490eacb6bb432. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/USA2P1562980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18d5e3d496a884332b4838e3b6fb8f71c393a63111de469d09f9729a6a7830b5. 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/USA2P1562981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e564d936ba01bc834b86a80d672392220be0b074bcf26733ed92c51092fc1d. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/ESA011924859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38ae051bc5182727edfc985ddac0c4e3c04084b854b614116bb043bcaf545d63. 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/ESA011945661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2f1ecfa623c2291a01830aa5ab5d01570d49296b0e31e07da8b1446846dd19. 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/ESA011960013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5acb8445bcb84b7d642c660448160134dfe5a2de0985be0fcffedab8d74f4c13. 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/ESA012038148.
Le souffle de la liberté (Musique spirituelle et de relaxation)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11f8eb3d310759906ba351d9c166fca3eef0255fd25875cd8c096d6656ab534b. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/ESA011642028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6c5a7936259cbf1efa17ef4b0bd86f4fd3495eb98799ed4f2cd4c5cbda64e5. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/ESA012173482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4cfd9c432a8f2238469a4c11a05eacb7f57d7cc6cad81bc2df77d20e6ab9189. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/ESA012173483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ab10ae6bff809dd9f80cb695e04487f884c53ad617fc258459cb1bb7b9abc30. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/ESA012173484.
Flûte zen et musique relaxante: Bien-être, se sentir libre, respiration, détente
Calm Background Music for Inner Zen, Calm Times & Peace
23 Ambient Sounds for Mindful Miracles, Radiant Resilience, and Soothing Solace
L'Harmonie Intérieure: Méditations Paisibles
Harmonie des Sphères: Musique Calme De Spa
En Sintonía con el Universo: Meditación y Música Celeste
Tranquillité Profonde: Musique de Soin Corporel Relaxant
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x194b4427d813f774176575b03e4e494948a6d35cd8c5714b2d20c31609e6dbd5. Chain 2 (Bitcoin): anchored in block 958654 (2026-07-19T03:55:30Z), 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/GXC5E2449059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a7d5f1fb162a9bd1eee4508471403e3b4fea7d6ea4ef2aa1c0e1ab4782d214. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/ESA012176122.