right|thumb|250px|Philharmonic Hall, the main building of the Slovene Philharmonic Orchestra, at Congress Square in Ljubljana The Slovenian Philharmonic Orchestra (Simfonični orkester Slovenske filha
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 0x355380f74aa6a110af59c57d2f9372ed9b7b87deee567ea83c849031f0cf818f. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/13b49d83-328f-4617-9da7-fee2080a2ed2.json and https://artists.proofprofile.net/proofs/artist/13b49d83-328f-4617-9da7-fee2080a2ed2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Iolanta Op. 69, TH 11: "Otčego ėto prežde ne znala" - Live
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 0x65e0ff94de3aa73c7796e171958799025782cee77a241daee14f2949cbad8abf. 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/DEN961231203.
Iolanta Op. 69 / 2. Scene And Chorus: "Polno, ne nado, rodnaya" "Vot tebe lyutiki" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x399de352a38bbc16b3c9bf08ab4238e9b9fbd71bfb2db9ef669a0f2b05c74cb4. 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/DEN961231204.
Iolanta Op. 69 / 3. Scene And Chorus: "Brigitta, ėto tï?" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa2ed0060cf196c774d3ea0b81a4564c50fa47c46c09aa82c889eab537114e4d. 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/DEN961231205.
Iolanta Op. 69 / 6a. Romance Of Vaudémont: "Net! Čarï lask krasï myatežnoy" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x766359669939ab45938af503017b986865538fc3dcfb14091aad752428dd84dd. 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/DEN961231212.
Iolanta Op. 69 / 7. Scene And Duet Of Iolanta And Vaudémont: "Vï mne predstali kak viden'e" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d956ca6b63f1d75622fadfde9a42ac75d9bbd6c96bf6b9f9426a5706315ac39. 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/DEN961231214.
Iolanta Op. 69 / 9. Finale: "Prosti menya" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98f20b75e2c3acad8765b09ef60ff8662f2e1c31a7f8df6337562755a3096a5e. 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/DEN961231218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x996ebddd3ae1a0efdc347a7831d76944fd694ea0e394b08035712ec323963602. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/DEN961231201.
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
Iolanta Op. 69 / 1. Scene And Arioso Of Iolanta: "Moy ptenčik, Iolanta, tï ustala?" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x245a3a6b5c141549126ff86f02ad32511a62633a79f4ac3e0499beb5c913e5b9. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEN961231202.
Iolanta Op. 69 / 3. Scene And Chorus: "Spi, pust' angelï krïlami navevayut snï" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49f018932d026fb3a6566a7a930509a65b9ff2545dccf733c494f7fd18d1be5c. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEN961231206.
Iolanta Op. 69 / 4. Scene And Arioso Of The King: "Prizïvnïy rog" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af9ae7a8c931f97f855e89549a52df86f28e1888443ca8ecb39a293f7e43484. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/DEN961231207.
Iolanta Op. 69 / 4. Scene And Arioso Of The King: "Gospod' moy, esli grešen ya" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fcc357c5b8794b90a31ee390514c32039e5668d7a222d95cbfbce6d9cbb622. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/DEN961231208.
Iolanta Op. 69 / 5. Scene And Monologue Of Ibn-Hakia: "Tvoyo lico besstrastno" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x598d70e1d4798eb546e2018e6e62c214ab06f1f500e792e56fcc5c262150d49f. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEN961231209.
Iolanta Op. 69 / 5. Scene And Monologue Of Ibn-Hakia: "Dva mira - plotskiy i dukhovnïy" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba60a38877ba2b286064110dfb07d9bab5d4ba6ddfda5f526995ccb2fc471f09. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/DEN961231210.
Iolanta Op. 69 / 6. Scene And Aria Of Robert: "Ne toropis', zdes' tak temno" "Kto možet sravnit'sya" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77c5f6c197e96534331e3cdc7edd0fc664a28233b4b700514a6cd865fb0bad67. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/DEN961231211.
Iolanta Op. 69 / 7. Scene And Duet Of Iolanta And Vaudémont: "Odnako gde že mï?" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82d5fa78bf810ebcb8fe9be847ac962806aa59d49c3d16555f717531fe829695. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEN961231213.
Iolanta Op. 69 / 7. Scene And Duet Of Iolanta And Vaudémont: "Tvoyo mol?an'e neponyatno" "?udnïy pervenec tvoren'ya" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52ffeeea2ea338325f4ab8f34f544571f08cf0777122048492b64e9eea0c005. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/DEN961231215.
Iolanta Op. 69 / 8. Scene: "Net, nazovi mučen'ya, stradan'ya, bol" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c77c88efcd9ba759ad67292cabab62bb9e8c7a9587305fbe25935e248b6a478. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/DEN961231217.
Iolanta Op. 69 / 9. Finale: "Gotfrid, ya vïručat' tebya yavilsya" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b49f2cb829d6c5716acf9ada09d529428053a8b38b9dc6b8a011ca279b9623. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/DEN961231219.
Iolanta Op. 69 / 9. Finale: "Gde ya?" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a50b1e292d1bcaa4036f1341fea463b26be128d29a672f272713af0b07cd097. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/DEN961231220.