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 0x1f096abe02b0c11d7afa51a8b0dd7aab6ff4e3804b4080984fc5a05a9e5c63ac. 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/67520248-8d52-420d-adac-10599bc32a91.json and https://artists.proofprofile.net/proofs/artist/67520248-8d52-420d-adac-10599bc32a91.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc81dfff293efbb74ca229421394a68c3161a28571faa72dde6a5031254e1a84d. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/RUAAX2201089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x466917b907915a919a32960ab501dd80387aeb2b108c4068096370aad1937923. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/RUAAX2201107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf2c134c9c3a5ce20c1b4d30cae67dcc0d852179878e8b8c6ae11e1825c4e85f. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/RUAAX2201108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8596d1e6fd7c24275eef289551148ee5fee86e7fcc1e2563d1ece873bc95982. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T11:03:05Z), 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/RUAAX2201111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48a9858e22d39c3a3107551ecbfdb5acf3ea5d4c608c376ae708b6c408e9f23. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:45:08Z), 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/RUAAX2201094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecde0438a954c1c44bfc2a2b9def0e797194d0dcf17742a0ef30bb7a27934962. 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/RUAAX2201098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e204d5e23ee3a80f33986342536ad654118010181cefed2e225df593e4a9d5c. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/RUAAX2201118.
Золотая коллекция. Лучшие песни, Часть 5
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Музыка из кинофильмов. Три мушкетера. Возвращение мушкетёров.
Ланфрен-ланфра - Из к/ф "Гардемарины, вперёд!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e69821a4b4a65df6441d4980b0ba558af16cd7134de7b65476b0bf3f0f4a84a. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/FR2X41664102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97b11a88fbde7a8534f37fd6356945848dfa92141b15598b49a8427d42aae73f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/RUA1D2065988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1654f49e3f6ada3bde7d596654860ee932269f65642c57894326bf786f93ac82. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/RUA1D2065994.