Podočnjaci are a Croatian electronic music group from Kutina, Croatia, consisting of beachboy19, Sinista Ruky and producer Nix K. They have been active since 2020. They attracted the attention of a wi
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 0x9103186712a3cb866ed4328ff2852d69c9dafbdaf03190f56400c264cd452c48. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/302d8739-60e1-46b7-aead-b3be9c643aa5.json and https://artists.proofprofile.net/proofs/artist/302d8739-60e1-46b7-aead-b3be9c643aa5.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 0xae443801c64f6a1d5f68ca38180b56b2abb4abfc8d585a68c81a159a60e3bafd. 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/UKXN22022765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x732e5746872d64e78560ea27ab013954ad6aa1ad9a87c61413474bbe5fd4c3bc. 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/HRA8C2100057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda2b92ca92c4d3928cd116d8416357087e486c277e2e74a12eaa6ae9c5d1ca34. Chain 2 (Bitcoin): anchored in block 957522 (2026-07-11T04:46:56Z), 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/HRA8C2100058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfae61de881b18c36e730b1da8a7bd9baf40159f4cbd759fabe683cc7182fe93. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/HRA8C2200034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98065c85841a2c6f768e53599d93c558f0ff7a480a47d6ddd701be8b76ce0e68. Chain 2 (Bitcoin): anchored in block 958656 (2026-07-19T04:04:08Z), 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/HRA8C2200059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaaf892de1de611333a6fe38c2fdd8bb63005548f8b0f7e29f55cf36ec6ca62f. 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/QZK6N2323482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf59fb4dc0956db07d6e3e3be695ca7251d4def2602d4b646f8fa95eca693692b. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:32:14Z), 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/HRA8C2400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4794634e40cb11207b37a7e1fd7a8d1b8164b22252958b0fdb5d8cad8bdfc889. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/HRA8C2400259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9f0fda6c074f8ae9f564ccc7eba6a8ec1669397fc7601bfeb631f97a29c4b55. Chain 2 (Bitcoin): anchored in block 957526 (2026-07-11T06:03:28Z), 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/HRA8C2400261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x454d3c0383baa06f1d1db20784714e8d97bc26384951d2260ef16e911c141d17. Chain 2 (Bitcoin): anchored in block 957546 (2026-07-11T09:35:53Z), 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/HRA8C2400269.