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 0x1c35da0c7f4d3db6b8bc588ffbab7d81b6b746e037ef93d570d7eb11de26e1d9. 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/f330e483-4355-40df-8a09-10db853bbd41.json and https://artists.proofprofile.net/proofs/artist/f330e483-4355-40df-8a09-10db853bbd41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x4d4b77585477491081ba4c9c00662492af75fdc6fba9060727012087bca01302. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3kuHaVEgKo21TCSUMxfTMh.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/3kuHaVEgKo21TCSUMxfTMh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe91390e3a97c4e5672e8c89740ba77e14fa9934dec2da229f17db76ccc3ee19. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38ElJnJg7IX8acKmUGYn2P.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/38ElJnJg7IX8acKmUGYn2P.
Temporär für immer - Reeperbahn Festival Collide
Drake ist auch nicht glücklich - Reeperbahn Festival Collide
{"copyright_id":"0x1ec2054d855460b6d2f4172833c22f41518d0f2c932a1dc2d1760dc886528fa2","isrc":"DEPI82307741","name":"Hengstin - Reeperbahn Festival Collide","registered_at":"2026-06-29T16:07:41Z","spotify_id":"2HkzHm3HvGDbjzqwthidFd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ec2054d855460b6d2f4172833c22f41518d0f2c932a1dc2d1760dc886528fa2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2HkzHm3HvGDbjzqwthidFd.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/2HkzHm3HvGDbjzqwthidFd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5b4443cc1c845ce133cef5244096fdd773e8c6330966562ca935f84bb8f8106. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4VTGQ7HOUbxICMLBnSI4bw.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/4VTGQ7HOUbxICMLBnSI4bw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe51f828ff03f21f2519d4314c394d6d06a3598db214126b9435f1c6a3fb5e62e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3pRsPjpPnnCDGgNJZZiATR.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/3pRsPjpPnnCDGgNJZZiATR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8d4ed9046b1c7952b0c75d722ab990108f10afbb05c0625698106b245cac99. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5TrrvTp48GBwDKhdJYqetH.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/5TrrvTp48GBwDKhdJYqetH.
Warum es nicht so bleiben kann wie es war
Manic Pixie Dream Boy, Vol. 3 (CONNY's VERSION)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c9a8c5138f9111a3f21e181f9cb2d04902b1547570e6865cd6e699840262da. 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/1hQS6ra96utsM4Hh5Cba2z.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/1hQS6ra96utsM4Hh5Cba2z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c9a8c5138f9111a3f21e181f9cb2d04902b1547570e6865cd6e699840262da. 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/5vF2PrhvzDsL6otlBCWup4.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/5vF2PrhvzDsL6otlBCWup4.