Orchestra of the Viennese Volksoper & Alfred Scholz
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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87a07a9390589b9a7813507d9ee3bc961421259bb8f827fb3c7b557390f71a21. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4d0968b5-4fb5-44f8-a015-5c7897144489.json and https://artists.proofprofile.net/proofs/artist/4d0968b5-4fb5-44f8-a015-5c7897144489.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Great Strauss Waltzes, Polkas & Marches: Alfred Scholz & The Viennese Folk Opera Orchestra
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6203eb7a633320ca12f40f01b6981e87b4d73bf21729a3685df2e214f51fdfd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/22744hD9wEkGvfSn0rJDlE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/22744hD9wEkGvfSn0rJDlE.
Be Embraced Millions - Seid Umschlungen Millionen, Op. 443
Light as a Feather Polka, Op. 319: Leichtes Blut
{"copyright_id":"0xae72be8731ceb0f948b1b4e416f0dc22ba147b1de8c61cc9a8e3903aa2ee069b","isrc":"USSJ10817358","name":"Love Songs Waltz, Op. 11: Liebeslieder","registered_at":"2026-06-22T14:32:12Z","spotify_id":"5trMKwgv5cGR9wLzwCSg70","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae72be8731ceb0f948b1b4e416f0dc22ba147b1de8c61cc9a8e3903aa2ee069b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5trMKwgv5cGR9wLzwCSg70.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5trMKwgv5cGR9wLzwCSg70.
On the Beautiful Blue Danube, Op. 314: An der scho¨nen blauen Donau
{"copyright_id":"0xbafd1508e2a40e46f11db42955cfedda5120e6ee46650ba23f02c724990d0f27","isrc":"USSJ10817360","name":"On the Beautiful Blue Danube, Op. 314: An der scho¨nen blauen Donau","registered_at":"2026-06-26T11:41:13Z","spotify_id":"7ebPlwfIkCAsoTqNTpW9SV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbafd1508e2a40e46f11db42955cfedda5120e6ee46650ba23f02c724990d0f27. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7ebPlwfIkCAsoTqNTpW9SV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ebPlwfIkCAsoTqNTpW9SV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab5716e090497bfd6968b11c5af327256d498ab1774466ba60bc3d9fa9ec70da. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2iw4QIOhMj5J1ucaDLouj0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2iw4QIOhMj5J1ucaDLouj0.
{"copyright_id":"0x14bfd8021f2cd5e9013c713b3d1f0bf8ae5b7aef43638e6456c07e46bfcf9cb5","isrc":"USSJ10817368","name":"Tritsch Tratsch - Galopp Polka, Op. 214","registered_at":"2026-06-05T14:28:29Z","spotify_id":"0ZBaCs564287BHNp95OpRC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14bfd8021f2cd5e9013c713b3d1f0bf8ae5b7aef43638e6456c07e46bfcf9cb5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ZBaCs564287BHNp95OpRC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ZBaCs564287BHNp95OpRC.
{"copyright_id":"0x7feabdfa11296d25068ac6ef0b3c561597f76dc8c0e6abdbc5a13d0cd2707728","isrc":"USSJ10817370","name":"Vienna Sweets Waltz, Op. 307","registered_at":"2026-06-26T08:50:24Z","spotify_id":"2uvCchEl47mnlCygGNaw44","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7feabdfa11296d25068ac6ef0b3c561597f76dc8c0e6abdbc5a13d0cd2707728. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2uvCchEl47mnlCygGNaw44.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2uvCchEl47mnlCygGNaw44.
{"copyright_id":"0xd9d924251284cc9d009a5c12132b35c48cbcbf02373fd819e98269ba6dba3284","isrc":"USSJ10817371","name":"Village Swallows from Austria, Op. 164","registered_at":"2026-06-22T14:27:55Z","spotify_id":"79hgNhrQYelQdC3N9Jl20Z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9d924251284cc9d009a5c12132b35c48cbcbf02373fd819e98269ba6dba3284. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/79hgNhrQYelQdC3N9Jl20Z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79hgNhrQYelQdC3N9Jl20Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d7cc130764a7b47ae8c29545e36d8a09d8107475df6f3431c63652d7b0f8734. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ybCDXljplt2qx2pBxvrUl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ybCDXljplt2qx2pBxvrUl.
Morning Papers ( " Morgenblätter " ), Waltz, op. 279
Music For The Millions Vol. 18 - Johann Strauss