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 0xa0691cd82545d7d460030d45d58f6363b597bdd086d12652324493a57f6197fe. 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/25b08472-e13f-420d-b6c5-4606838da69f.json and https://artists.proofprofile.net/proofs/artist/25b08472-e13f-420d-b6c5-4606838da69f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xe57910c34df33037a092e5f389aa1afdc9181a7fb6f1f6806f94cb33dcfcf9c2","isrc":"DECE72402405","name":"Wieso jetzt?","registered_at":"2026-06-25T15:59:26Z","spotify_id":"6sobVupaupNJMhnyZIfq2h","type":"track"}
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 0xe57910c34df33037a092e5f389aa1afdc9181a7fb6f1f6806f94cb33dcfcf9c2. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6sobVupaupNJMhnyZIfq2h.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/6sobVupaupNJMhnyZIfq2h.
{"copyright_id":"0xe57910c34df33037a092e5f389aa1afdc9181a7fb6f1f6806f94cb33dcfcf9c2","isrc":"DECE72402405","name":"Wieso jetzt?","registered_at":"2026-06-25T15:59:26Z","spotify_id":"5zP2pLtQXJmkn6TeeKYSLC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe57910c34df33037a092e5f389aa1afdc9181a7fb6f1f6806f94cb33dcfcf9c2. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5zP2pLtQXJmkn6TeeKYSLC.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/5zP2pLtQXJmkn6TeeKYSLC.
{"copyright_id":"0xe57910c34df33037a092e5f389aa1afdc9181a7fb6f1f6806f94cb33dcfcf9c2","isrc":"DECE72402405","name":"Wieso jetzt?","registered_at":"2026-06-25T15:59:26Z","spotify_id":"3UfsuxPxdthTMh6IWSzXTn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe57910c34df33037a092e5f389aa1afdc9181a7fb6f1f6806f94cb33dcfcf9c2. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3UfsuxPxdthTMh6IWSzXTn.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/3UfsuxPxdthTMh6IWSzXTn.
{"copyright_id":"0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2","isrc":"DEA622301734","name":"Vielleicht Vielleicht","registered_at":"2026-06-01T03:59:59Z","spotify_id":"5EcXrwZKRPym3pRupNCZ2L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2. 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/5EcXrwZKRPym3pRupNCZ2L.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/5EcXrwZKRPym3pRupNCZ2L.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91d0a304ef4047565b25c6839128e676e0eb803290a894a7d4237f24bbeb185d. 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/7vLqyReIe0h4CNOrcFwIJg.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/7vLqyReIe0h4CNOrcFwIJg.
{"copyright_id":"0x0c31dac677f6e4853761d40fb7fc07c139b248b12a3c6a4f9e2996a66447b79c","isrc":"DEUM72411232","name":"DAS GEHT VORBEi","registered_at":"2026-06-01T19:20:05Z","spotify_id":"0AJZBnUXWXvwpnabQvHEwG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c31dac677f6e4853761d40fb7fc07c139b248b12a3c6a4f9e2996a66447b79c. 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/0AJZBnUXWXvwpnabQvHEwG.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/0AJZBnUXWXvwpnabQvHEwG.
{"copyright_id":"0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2","isrc":"DEA622301734","name":"Vielleicht Vielleicht","registered_at":"2026-06-01T03:59:59Z","spotify_id":"08brBoUqcrvZXPQVAOgm6X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2. 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/08brBoUqcrvZXPQVAOgm6X.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/08brBoUqcrvZXPQVAOgm6X.
{"copyright_id":"0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2","isrc":"DEA622301734","name":"Vielleicht Vielleicht","registered_at":"2026-06-01T03:59:59Z","spotify_id":"30Guah2RNf7MKK3hmqeFRF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/30Guah2RNf7MKK3hmqeFRF.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/30Guah2RNf7MKK3hmqeFRF.
{"copyright_id":"0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2","isrc":"DEA622301734","name":"Vielleicht Vielleicht","registered_at":"2026-06-01T03:59:59Z","spotify_id":"7okuIvTAMBGGYfTkiQEPeN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7okuIvTAMBGGYfTkiQEPeN.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/7okuIvTAMBGGYfTkiQEPeN.
wintergefühle 2024 by The Circle Sessions
Charts 2024 - Radio Top Hits Deutschland
{"copyright_id":"0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2","isrc":"DEA622301734","name":"Vielleicht Vielleicht","registered_at":"2026-06-01T03:59:59Z","spotify_id":"2VooCGw9a6I4sELVXOuxHD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2. 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/2VooCGw9a6I4sELVXOuxHD.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/2VooCGw9a6I4sELVXOuxHD.
Betreutes Spülen - Arbeit in der Küche - Kochen - Braten
{"copyright_id":"0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2","isrc":"DEA622301734","name":"Vielleicht vielleicht","registered_at":"2026-06-01T03:59:59Z","spotify_id":"2MxIZg23bN1LqgBdE5zzjb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MxIZg23bN1LqgBdE5zzjb.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/2MxIZg23bN1LqgBdE5zzjb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aacb7e6646f33b5b921e03d18d90df456df6028fb939b9c56498003708e9717. 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/35PxG0NLK6zRy3Ib3HQjFx.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/35PxG0NLK6zRy3Ib3HQjFx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f6243daf05e4ae9357d0177c360b523844bc88a0aed2c200eac48650ba3cbf2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7oZAYW7sYwo4t341E3eVJ4.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/7oZAYW7sYwo4t341E3eVJ4.