Halina Mlynkova (born 22 June 1977) is a Polish-Czech singer. From 1998 to 2003, she was the vocalist of a popular Polish folk-rock group Brathanki. Biography Mlynkova was born on 22 June 1977 in Náv
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 0x95596d75eecc83b784c92abdb0a265c6299f5a6e0d3b35eb81554e057e0e125b. 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/be8ca461-ea35-4ad9-984a-96ea4e2a3cee.json and https://artists.proofprofile.net/proofs/artist/be8ca461-ea35-4ad9-984a-96ea4e2a3cee.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 0xa2e62421ccdd7439a5efc6c8d27dd5b729c66bdab7fdae3b95b04d6ae08a0abc. 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/PLF571100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe8911029c15f848079fb9c27b0de4b388f58ee7538bf021580206d0ade6de8a. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T18:01:47Z), 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/PLUM71600366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xded047eed1f0c02dbf241f620e7f1e7fe4aa13764b1bdd4e16c32743cb950001. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:21:20Z), 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/PLUM71500357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5792bf3eed975a48673f3c7a46ec745ab630122eb11994a5e407d406faa7f310. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/PL34J2000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x983cf51e9af9c55c1d4bc5eca4d4d99aa007b29fd0ab4c4009b8566b49d8b50e. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/PL34J2100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24609f17b65f49743004764549b0c2f6d05306c2dfc9694d363302cd28f211f2. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/PL34J2100011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x334b7de16c75a9c1a952a285cd1e8639cb627c8616f706cead39b27df4db5fcd. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/PL34J2100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ca0559a8a826555f69e6b0853501bafe73c11c8fc1e626585e946a4190c39e1. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/PL34J2100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbadd08ab987fb69324892c05f443652923d956e548a9cf746459a972f5e8a328. 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/PL34J2000003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x586b35852077c70786a4c95937d009df3def1b7aba15f4e8baeb7c0183d65683. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/PLA552200398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eba137cf5588a0615753f6f62ea2a51044d27b7b4b6df4a14aab70bc47003f9. 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/PLA552200401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x827162386d39a7b5320c1a5916d1500b3b9af648f4e125a8caa680b1366a3640. 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/PLA552200405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5c38231f757078b3253ee2a68d18e56aaa5ac828e52eb5f0afd4f5b1c0bf107. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/PLA552200750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b5a456f4e890f9b8f22fe37eadf7cd85f2606b3f55a9b8d44253c370a9eae0e. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/PLI368733740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc96d99d0536c7f47cc6efd6258146fda954018a1056769c5d20f7ecc8cedb4eb. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T15:07:02Z), 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/PL5D32500013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa93c09e56cc2c101eaf68c2039f0c6ab013531ec5350a5f393965d19e211f17a. 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/PLUM71400781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x430f2cacbb0db480c09f706c4e0916a9fd4610656056e99c4704784242d70927. 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/PLC281200016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb48bedbc1075ba86975069a0b329f6592012eee34ddfcc7e522a59025b5f28d3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/PLD272000022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36c5fb62766980f11cf4cb63a8cc5a20d277060cd0f3694641a5bcfaa717409c. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/PLO981900009.
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 0xaa2626628755666407d10e10a7bde090757bba9f9dec81efefa29754223bfe1a. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/PLA391819205.