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 0x617e85375448c9023ee5296513b56e1196d337c6fc8ef9cf564473328be6dbfa. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8b3ab8ac-90a9-4135-a822-05fcf45489e9.json and https://artists.proofprofile.net/proofs/artist/8b3ab8ac-90a9-4135-a822-05fcf45489e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wickie und die starken Schlümpfe wollten auf der Klatschmohnwiese die Weltherrschaft an sich reissen
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 0x8c7b08fe491d293352e660ca339800a24c1f689ec4ea6881e5be881f61b9de4b. 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/1G9e9UfjAR5HDAZXELlkU4.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/1G9e9UfjAR5HDAZXELlkU4.
Bergwild - Herbert Pixner und das Spielberg Musikfestival
{"copyright_id":"0x07f3013a854ef152199801da10d1fb9fcc5e3e3de23ae9eb60e27812e6d59db7","isrc":"ATDD71900001","name":"Concerto For Trumpet","registered_at":"2026-06-24T21:51:08Z","spotify_id":"4vB0fkonP0hYk6ZrGVpWmm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07f3013a854ef152199801da10d1fb9fcc5e3e3de23ae9eb60e27812e6d59db7. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4vB0fkonP0hYk6ZrGVpWmm.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/4vB0fkonP0hYk6ZrGVpWmm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340d74c4ee4744fa4eda71ec10c4b38dac048057d40f857c465d7266c562e8fd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4IuIcK346ycbOXSuhdH9MA.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/4IuIcK346ycbOXSuhdH9MA.
{"copyright_id":"0x2e05564cbfed827db3d338f7662f03852ef0d6c95d2c833c7b2ae620c5d3fa97","isrc":"ATDD71900007","name":"Home (ein schönes Fleckchen Erde)","registered_at":"2026-06-22T09:04:13Z","spotify_id":"0rJXV9sM1dRn62z4o89R72","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e05564cbfed827db3d338f7662f03852ef0d6c95d2c833c7b2ae620c5d3fa97. 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/0rJXV9sM1dRn62z4o89R72.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/0rJXV9sM1dRn62z4o89R72.
{"copyright_id":"0xfefdbcd4863f47f75c9036ea2918afab31201b4a4bec14af8b3373b7df8a5203","isrc":"ATDD71900011","name":"Marsch der Welt","registered_at":"2026-06-20T12:24:01Z","spotify_id":"1BjKRLd7DlGj9CvslYk2Pj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfefdbcd4863f47f75c9036ea2918afab31201b4a4bec14af8b3373b7df8a5203. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1BjKRLd7DlGj9CvslYk2Pj.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/1BjKRLd7DlGj9CvslYk2Pj.
{"copyright_id":"0x75bd1efda21fef4d3ca34536f92d3430298df901eb9a9d42949c1f5fb8312b4d","isrc":"ATDD71900012","name":"Tears For Pachelbel","registered_at":"2026-06-20T12:29:26Z","spotify_id":"2yHZZGuC2IgOUwd2fFg1iW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75bd1efda21fef4d3ca34536f92d3430298df901eb9a9d42949c1f5fb8312b4d. 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/2yHZZGuC2IgOUwd2fFg1iW.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/2yHZZGuC2IgOUwd2fFg1iW.
{"copyright_id":"0x4c137630e5dba641c87c46af76e7f1bfc2a7966c3ceb227d1e5487a13f142de6","isrc":"ATEW52301601","name":"Das Buch der Liebe - Live","registered_at":"2026-06-20T06:10:39Z","spotify_id":"71pWHE8xH8pNyRoORlVwWY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c137630e5dba641c87c46af76e7f1bfc2a7966c3ceb227d1e5487a13f142de6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71pWHE8xH8pNyRoORlVwWY.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/71pWHE8xH8pNyRoORlVwWY.