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 0x4cd08ff91e2dab9513d89a5842abf2ca33832326d490dc9b329b48756f4ee6d3. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/df4e188e-91fc-4741-90e2-308afa31c41c.json and https://artists.proofprofile.net/proofs/artist/df4e188e-91fc-4741-90e2-308afa31c41c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bolszaja Rozpierducha: Telus Śpiewa Waligórskiego
Poczet Poetów Polskich, Poezja Śpiewana Vol. 02
Poczet Poetów Polskich, Poezja Śpiewana Vol. 01
Poczet Poetów Polskich, Poezja Śpiewana Vol. 03
Poczet Poetów Polskich, Poezja Śpiewana Vol. 04
Poczet Poetów Polskich, Poezja Śpiewana Vol. 05
Biała Warszawa, Ballada o Polskich Poetach Żydowskich
Poczet Poetów Polskich, Poezja Śpiewana Vol. 06
Poczet Poetów Polskich, Poezja Śpiewana Vol. 07
Jacek Telus Sings the Songs of Tercet Egzotyczny
Pictures at an Exhibition St. Petersburg
Pictures at an Musical Exhibition: Nashville
Pictures at an Musical Exhibition: Los Angeles
Pictures at an Musical Exhibition: Kioto
Pictures at an Musical Exhibition: Lagos
Pictures at an Musical Exhibition: Hawana
Pictures at an Musical Exhibition: Rio de Janeiro
Pictures at an Musical Exhibition: Mumbai
Pictures at an Musical Exhibition: Warsaw
Pictures at an Musical Exhibition: Tel Awiw
Pictures at an Musical Exhibition: Teheran
Jacek Telus: Christmas Songs, Weihnachtslieder, Kolędy Vol. 1
Jacek Telus: Christmas Songs, Weihnachtslieder, Kolędy Vol. 2
Jacek Telus: Christmas Songs, Weihnachtslieder, Kolędy Vol. 3
Miłosz w Muzyce – Muzyka w Miłoszu: Wiersze Czesława Miłosza Śpiewa Jacek Telus
Pictures at an Musical Exhibition: Africa
Pictures at an Musical Exhibition: South America 1
Pictures at an Musical Exhibition: South America 2
Pictures at an Musical Exhibition: Australia
Pictures at an Musical Exhibition: Asia 1
Pictures at an Musical Exhibition: Asia 2
Pictures at an Musical Exhibition: Europa 1
Pictures at an Musical Exhibition: Europa 2
Pictures at an Musical Exhibition: Nord America 1
Pictures at an Musical Exhibition: Nord America 2
Pictures at an Exhibition: Tribute to Artists Vol. 1
Pictures at an Exhibition: Tribute to Artists Vol. 2
Pictures at an Exhibition: Tribute to Artists Vol. 3
Pictures at an Exhibition: Tribute to Artists Vol. 4
Pictures at an Exhibition: Tribute to Artists Vol. 5
Pictures at an Exhibition: Tribute to Artists Vol. 6
Pictures at an Exhibition: Tribute to Artists Vol. 7
Pictures at an Exhibition: Tribute to Artists Vol. 8
Pictures at an Exhibition: Tribute to Artists Vol. 9
Pictures at an Exhibition: Tribute to Artists Vol. 10
Jacek Telus: Antologia Romantyczna Vol. 1
Jacek Telus: Antologia Romantyczna Vol. 2
Jacek Telus: Antologia Romantyczna Vol. 3
Jacek Telus: Antologia Romantyczna Vol. 4
Jacek Telus: Antologia Romantyczna Vol. 5
Jacek Telus: Antologia Romantyczna Vol. 6
Jacek Telus: Antologia Romantyczna Vol. 7
Jacek Telus: Antologia Romantyczna Vol. 8
Aniołom Tu Daleko: Wiersze Łukasza Nowaka Śpiewa Jacek Telus
Jacek Telus: Antologia Romantyczna Vol. 9
Jacek Telus: Antologia Romantyczna Vol. 10