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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc1bd2ce454173db08e3aa7be623863e8e3323ce001f7227cd13f90b691215cd. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d13c2bcc-7b54-4f0f-801d-f0115adb2d06.json and https://artists.proofprofile.net/proofs/artist/d13c2bcc-7b54-4f0f-801d-f0115adb2d06.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pan Vivaldi - Cztery Pory Roku dla dzieci
Piotr Salaber: Wiosna - To właśnie nadchodzi Wiosna
Antonio Vivaldi: Concerto No. 1 in E Major, Op. 8, RV 269: I. Spring - Allegro
Antonio Vivaldi: Concerto No. 1 in E Major, Op. 8, RV 269: II. Spring - Largo e pianissimo
Antonio Vivaldi: Concerto No. 1 in E Major, Op. 8, RV 269: III. Spring - Allegro pastorale
Antonio Vivaldi: Concerto No. 2, Op. 8, RV 315: I. Summer - Allegro ma non molto
Antonio Vivaldi: Concerto No. 2, Op. 8, RV 315: II. Summer - Adagio
Antonio Vivaldi: Concerto No. 2, Op. 8, RV 315: III. Summer - Presto
Antonio Vivaldi: Concerto No. 3, Op. 8, RV 315: I. Autumn - Allegro
Antonio Vivaldi: Concerto No. 3, Op. 8, RV 315: II. Autumn - Adagio molto
Antonio Vivaldi: Concerto No. 3, Op. 8, RV 315: III. Autumn - Allegro "La Caccia"
Piotr Salaber: Zima - Trzeba zimę tę przetrzymać
Antonio Vivaldi: Concerto No. 4 in F Minor, Op. 8, RV 297: I. Winter - Allegro non molto
Antonio Vivaldi: Concerto No. 4 in F Minor, Op. 8, RV 297: II. Winter - Largo
Antonio Vivaldi: Concerto No. 4 in F Minor, Op. 8, RV 297: III. Winter - Allegro
Najlepsze pościelówy: Muzyka na wieczór we dwoje Vol. 1