Fair play or Fairplay usually refers to sportsmanship. Fair play or Fairplay may also refer to: Arts and entertainment Fair Play (1925 film), an American silent film Fair Play, a 1972 TV movie sta
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 0xfb1d80635673157736616b5ea12d0b28429d29e0a4e68a4ae8d9c0e2bc77818a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0e24ffed-3fb8-4d2b-bfc2-ac29ab906c50.json and https://artists.proofprofile.net/proofs/artist/0e24ffed-3fb8-4d2b-bfc2-ac29ab906c50.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Maskotka (Tr!fle & Loop & Black Due Remix)
Najpiękniejsza sukienka (NoizzDance Remix)
Pragnienie miłości (Extended, Cover Akcent)
Pragnienie miłości - Extended, Cover Akcent
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 0xc26f4722f8cb71892300f4f60c2710a45dfb33d2e10f1e2a7b7a6f89eda36fd2. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/FR96X2126589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117679eaa2fb10d3007564c0f53a9635bda310d5d0b54cc378a45aae95409482. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/FR96X2107588.
Sama samotna (Sekret Cover) [Radio Edit]
Lekcja miłości (Cover Maxel - BRiAN x Martin Remix)
Byłaś Mona Lisą (Loki Oldschool 90's Remix)
Czerwona sukienka (Cover Alfa Boys, BuMP! Remix)
Czerwona sukienka (Cover Alfa Boys, Matyou Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab19599b1133d3d6e53e594473ba6af6ab86f5a616ad7972b373a783c7807ad0. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/FR96X2107052.
Kabriolety sedany limuzyny (Trifle & Loop & Black Due Remix)
Puste słowa (Matyou Remix, Cover Milano)
Serce oddam ci (Mathew Oldschool 90's Remix)
Lekcja miłości (BRiAN x Martin Remix, Cover Maxel)
Taka miłość szalona (Loki Oldschool 90S Remix)
Ma Kochana Ze Mną Baluj (Da Luca Pumped Remix)
Dziewczyno zza siedmiu gór (Levelon Remix)
Dziewczyno zza siedmiu gór (MatiC Remix)
Miłość w gwiazdach (Black Due & Trifle & Loop Remix)
Miłość w gwiazdach (BRiAN Extended Remix)
Spójrz na mnie spójrz (Loki Oldschool 90s Remix)
Najpiękniejsza dziewczyno (Da Luca Remix)
Najpiękniejsza dziewczyno (Levelon Remix)
Spójrz na mnie spójrz (Dancecore B. Remix)
Najpiękniejsza dziewczyno (Levelon Extended Remix)
Najpiękniejsza dziewczyno (Gmcrash Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x833c7a1b996944de1b11a9653649482bbe18db2d6d7a14a2fd8c915dd6844bef. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/FRX452210226.
Byliśmy razem (Loki Oldschool 90's Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d5b472191c8c86b4b2a00d78d071dcd0d4f7e56b32beef5a4b5a942ce70d63e. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/TCAHI2394742.
Ona Zatańczy Tylko Ze Mną (Luca Dorato Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9875400e286e3d329ef5c87f0f86325c0dc1d07875a89b9a95901b8d91322bc1. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/TCAHL2325188.
Ona Zatańczy Tylko Ze Mną (Bartix Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42edeb086a45c59f585d71448859db4531cba95d98c3753934c8b5f8a1d64d8e. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/TCAII2463430.
Lubię Być Przy Niej (PumpCrazy & Dancecore B. Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4416b88c8d465375607c7e74345d3cc659f26fc95246821ec1b31e780852478. 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/TCAIS2454064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a9f88e8a78920aec75719ced3afaaac27fcb02bdd513adaeafa6b6d5da7919. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/TCAIY2432688.