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 0xc649d254be33e7d261a20fbcba33d81f08fe49d879f03f89ebe058001eedabcd. 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/2dd24693-1450-427f-9b56-9bdbe7710f77.json and https://artists.proofprofile.net/proofs/artist/2dd24693-1450-427f-9b56-9bdbe7710f77.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Herbei, oh ihr Gläubigen - Oh Come All Ye Faithfull
Gottes kleines Lamm - Jesus, höchster Name - Er ist der Friedefürst
Herbei, oh ihr Gläubigen; Oh Come All Ye Faithfull
Gottes kleines Lamm / Jesus, höchster Name / Er ist der Friedefürst
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 0x9bd0885d4e43d17329b18b18b40a9179e2b5193603b2c01775c4a51c838753ff. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5HRiDloQuGK4lfBfpUqLW6.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/5HRiDloQuGK4lfBfpUqLW6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8daee195e444d26c046182f0009c2534105368e5c70321922c488d4bdb9b8ea7. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5gODAgRUeLo1ayOUAb4ZJh.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/5gODAgRUeLo1ayOUAb4ZJh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bd0885d4e43d17329b18b18b40a9179e2b5193603b2c01775c4a51c838753ff. 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/18a9n1thHfJN5fuwG4u1R9.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/18a9n1thHfJN5fuwG4u1R9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8daee195e444d26c046182f0009c2534105368e5c70321922c488d4bdb9b8ea7. 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/2D3msw3JMAslZ2jIuDLm6S.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/2D3msw3JMAslZ2jIuDLm6S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc665b5383b19a29822691901a0905e7be36f84dcb381709eb51cf1353830eeb1. 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/1rAkRqvKiRqy79hj6JKodY.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/1rAkRqvKiRqy79hj6JKodY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4687b9689535573c71a0bca7feb4a21070534ea1c48c16c82299f23a396d1bb8. 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/2u4xFBbpqo76fnchj9JyNN.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/2u4xFBbpqo76fnchj9JyNN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dd3026670bd1bf6f607ddf80efdedae79566c796aea80fd8c672dd2e8555b0a. 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/3CD94K3Jsb9Zq9NiDRn11I.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/3CD94K3Jsb9Zq9NiDRn11I.
{"copyright_id":"0x62b4d51f4f9351dcfb7dc13284c28e01fa2a964ef1a3c3ea7c868142d2061f7f","isrc":"DEA551433547","name":"Erhebt den Herrn (Psalm 99)","registered_at":"2026-06-21T13:31:00Z","spotify_id":"2NKExdllJRB53draBruCeK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62b4d51f4f9351dcfb7dc13284c28e01fa2a964ef1a3c3ea7c868142d2061f7f. 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/2NKExdllJRB53draBruCeK.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/2NKExdllJRB53draBruCeK.
{"copyright_id":"0x7012e7235ac451e31d77690a28fb0fde91ab3cfe10867ebb40b5a5f219f9772b","isrc":"DEA551634775","name":"Die güldne Sonne voll Freud und Wonne","registered_at":"2026-06-24T21:26:14Z","spotify_id":"6Myyw6n73bFGi6O8X7iach","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7012e7235ac451e31d77690a28fb0fde91ab3cfe10867ebb40b5a5f219f9772b. 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/6Myyw6n73bFGi6O8X7iach.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/6Myyw6n73bFGi6O8X7iach.
Advent & Weihnachten - Liederschätze neu entdeckt
Feiern & Loben 1 - Singt ein Lied von Gott