1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x7bcf1f37be57ce0f8eea477aa6e8dc3477575fb61c54f8a17a6bd081e54ebf9c. Chain 2 (Bitcoin): anchored in block 953991 (2026-06-16T18:47:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2f3a07ac-aa92-4d1f-a9a0-5e575fb7ffe0.json and https://artists.proofprofile.net/proofs/artist/2f3a07ac-aa92-4d1f-a9a0-5e575fb7ffe0.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 → block OTSBitcoinBlock must exist at that height 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 0x6deb15718d733cd8dccde6cc683f63e39772b339cd309b130287bc61e2a10941. 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/PLJ921700291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91d8b6f2d52b1aaafdc1f4f98c5e934729a9534463ffb9b8340772dbef5bffd4. 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/PLJ921700294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c7717a8c4b17138a273682db73d139ed5d9b026412963484e21b7e9fb98bda9. 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/PLJ921700276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4129b626d692cf805178e3252c3b01527a20472ecec3ddbfe68bca6595827ece. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLJ921700277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf23e67b4bc8a416e147742a79570b6415c7ba6289013553cc44938f10d1a7900. 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/PLJ921700278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10b1f74473ea6a69e59f713a4650870da2b1c2f69885cc015f8065f91f12c8a9. 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/PLJ921700281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b90becd7925853f799ea093063390dffba7d1b73621ae94afa713808f12709b. 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/PLJ921700282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a5425970d395c8cd67bbe56f0262b6731e57322aa54b282adb58bccf91b3bd8. 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/PLJ921700286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed59acf7e0c23fe05e0fb06b0fa343fc39abd7fdb710150a2002213c6d4b793. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLJ921700288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e0f22bf45f01310dd4a0ca1fbc758f2ad5adfe7a9ba1c3d897998ed008c4a9f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLJ921700289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe858689b9f1a14250f54a05ddfb0b3e49837e525fcc83c5dcc3d776616472d99. 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/PLI791300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x427468982b06aed429bcdbee016bed9b4af3015e2761409ef9042001f0f71b9d. Chain 2 (Bitcoin): anchored in block 957025 (2026-07-07T10:59:31Z), 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/PLI791300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f70ab65791f96c7b7524e3714ac6d606214475e149907cec67f27e4ab802e7. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLI791300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174e348319b4509bd75934ec123c7ef3e8a6917d13ed18792173b92e5abcdd05. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLI791300016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a54b2c7f80c60cb3d51f137b78f21e2661ea8993b1a154f0f9bcf9198f31c89. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/PLE951200764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8195bf08e7cebdea3ab38305e70f42ed494ae8594eb9f612b82299c7cc63929b. 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/PLE951200765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f23955b1cbcb9b0ea020f51dde38a0dd854a0196d2012660c7ed8eaf2709fe5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLE951200775.
CV feat. Rover / Bzyker / Truck North / Vienio / WTM
Póki Co Nie Jest Źle feat. Juchas / Platoon
Long Island Ice Tea feat. Chwedo / Ero / Sylwia Dynek
Kiedy Byłem Dużym Chłopcem feat. Skor / Buka / Pawbeats
Przebudzenie (The Awakening) feat. Mecca Starr / Mi-La / Seta / Sylwia Dynek
Miejskie Sporty feat. Emazet / Łysonżi / Jano
Po Drugiej Stronie Strachu feat. Obywatel MC / CBR / Emilo
Powietrze feat. Franek / Magdalena Jaskółka
Lato W Mieście feat. Numer Raz / Proceente / Spalto
Co To Był Za Dzień feat. V.E.T.O. / Diox (Remix)
Normalna Kolej Rzeczy feat. Buczer / Brożas / Żyto
Przecież Lepiej Wiesz feat. Siódmy / WTM / Tomiko
Młodzi Ludzie Łakną Zło feat. Bosski Roman / CBR
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa337e0047386641bd23dd02c0ae377e2def6b05b32fc6393453a4aafc36adba0. 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/QMBZ91524035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9328ce5e74c3a99da2dfa6797a972f8fc2b5d440c369606fa9e9f5e2fa523f5. 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/QMBZ91524043.
Long Go Feat. Steph, Digitzz, Mr. Polska, Leo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x237c7595ab927a234c4f4d6a28df35c992372b009ef5701e142f341d372e0873. 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/QMBZ91524050.