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 0xbc7ae8ef6d97c20f7c7e4d59dd9fa342a0a2e856f2ba387beb14db30ac55daba. 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/13b3f5dc-41cc-4874-bd2b-beff23deb230.json and https://artists.proofprofile.net/proofs/artist/13b3f5dc-41cc-4874-bd2b-beff23deb230.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 0x0b16637e6b82946209182e68a997d857e091a5cc63075e984d8942ca3519146e. 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/3W5eJQ8UmTaCNhobpgeA6z.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/3W5eJQ8UmTaCNhobpgeA6z.
Love In Your Eyes (feat. Bibiane Z) [VAUST Remix]
Love In Your Eyes (feat. Bibiane Z) - VAUST Remix
Love In Your Eyes (feat. Bibiane Z) - Mixed
Through the Night (feat. Bibiane Z) - Mixed
{"copyright_id":"0xc9a3e6eadc450e2dbb52875dc630835a6e8e161c6604a9ed4d985c008380f8a2","isrc":"DEA622001547","name":"Through the Night (feat. Bibiane Z) - Mixed","registered_at":"2026-06-29T16:23:42Z","spotify_id":"2K9gUiowt66KeNmoigfLim","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a3e6eadc450e2dbb52875dc630835a6e8e161c6604a9ed4d985c008380f8a2. 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/2K9gUiowt66KeNmoigfLim.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/2K9gUiowt66KeNmoigfLim.
{"copyright_id":"0x6c29972edf071bbfef16749c44f551f31aa06a0ed7ada92d92b4219d45befaf9","isrc":"DEA622100301","name":"Spread Love (feat. Bibiane Z)","registered_at":"2026-06-29T16:26:43Z","spotify_id":"5s9ITjz3ZjvC0N0HrMwMZ5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c29972edf071bbfef16749c44f551f31aa06a0ed7ada92d92b4219d45befaf9. 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/5s9ITjz3ZjvC0N0HrMwMZ5.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/5s9ITjz3ZjvC0N0HrMwMZ5.
Spread Love (feat. Bibiane Z, vision string quartet, Tim Allhoff) [Classic Version]
Spread Love (feat. Bibiane Z, vision string quartet, Tim Allhoff) - Classic Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd71ad754b8637c3d789e6381089dc44672b7493d9e56f4d03664b5e6587f59. 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/4iOLwi1tZBCwBzvYE9EGr0.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/4iOLwi1tZBCwBzvYE9EGr0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe09c61e1ed3b98d7a3180b0d93409ed8ca034fce0c80d89aea07617238a05655. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1oPXzNgKSOEanIVzAz8B6v.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/1oPXzNgKSOEanIVzAz8B6v.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe09c61e1ed3b98d7a3180b0d93409ed8ca034fce0c80d89aea07617238a05655. 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/0Ybk18xtBrXa2xQzLrBQtJ.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/0Ybk18xtBrXa2xQzLrBQtJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd71ad754b8637c3d789e6381089dc44672b7493d9e56f4d03664b5e6587f59. 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/4buUXzv4ZLz8mWESHV32Rw.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/4buUXzv4ZLz8mWESHV32Rw.
{"copyright_id":"0xe8d5b4220a3a64c6f9f2ced8e384521756852e30494de331960dfa7f5d98e8f3","isrc":"AUXN22119887","name":"Let's Pretend (Mausio Remix)","registered_at":"2026-06-26T23:27:30Z","spotify_id":"4PzuIfdCpPwlyUpoofcg9l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d5b4220a3a64c6f9f2ced8e384521756852e30494de331960dfa7f5d98e8f3. 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/4PzuIfdCpPwlyUpoofcg9l.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/4PzuIfdCpPwlyUpoofcg9l.