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 0xffa7d5601763fe5630e53dde0ddad3eee63a9ab1342647eeac651e0302374783. 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/a1bbb080-db39-4b56-bf8b-09ece7e2de3b.json and https://artists.proofprofile.net/proofs/artist/a1bbb080-db39-4b56-bf8b-09ece7e2de3b.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 0x389921a43c9f2100da547d88d0b20361cea5e490734af1a30e33bc61cb8a8c10. 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/3BSYRU2IZrl1bqXXAlULF6.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/3BSYRU2IZrl1bqXXAlULF6.
Dead (feat. Shelby691, Zeu, Slkrack, Saamou Skuu, MALTY 2BZ & Lyrrix) - Remix
{"copyright_id":"0x2dbcbee8675d0008a883a60ca14020b71718a17e35aeb2f70416e77ea1633662","isrc":"FR9W12221210","name":"Dead (feat. Shelby691, Zeu, Slkrack, Saamou Skuu, MALTY 2BZ & Lyrrix) - Remix","registered_at":"2026-06-24T15:14:40Z","spotify_id":"1POKJFQmVjfyOryduB1jLB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dbcbee8675d0008a883a60ca14020b71718a17e35aeb2f70416e77ea1633662. 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/1POKJFQmVjfyOryduB1jLB.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/1POKJFQmVjfyOryduB1jLB.
Dead (feat. Shelby691, Zeu, Slkrack, Saamou Skuu & MALTY 2BZ) - Remix
Dead (feat. Shelby691, Zeu, Slkrack, Saamou Skuu & MALTY 2BZ) [Remix]
{"copyright_id":"0xa70a69ed9b8376b6ab3a88cf1f83ea1efc470577a391512d4e1256fdedc9fc4a","isrc":"FR9W12209763","name":"Dead (feat. Shelby691, Zeu, Slkrack, Saamou Skuu & MALTY 2BZ) - Remix","registered_at":"2026-06-08T03:56:35Z","spotify_id":"6SHnrG87VJy4dHfvZaWu46","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa70a69ed9b8376b6ab3a88cf1f83ea1efc470577a391512d4e1256fdedc9fc4a. 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/6SHnrG87VJy4dHfvZaWu46.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/6SHnrG87VJy4dHfvZaWu46.
{"copyright_id":"0x41a45b8f087bb30369476c000cf48f1ce9f62ff990a1a14eff8ecdca521a9262","isrc":"FRUM72202511","name":"Franklin Saint","registered_at":"2026-06-05T09:25:21Z","spotify_id":"2TxuEP5w7cJmxRCE6qeLr7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41a45b8f087bb30369476c000cf48f1ce9f62ff990a1a14eff8ecdca521a9262. 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/2TxuEP5w7cJmxRCE6qeLr7.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/2TxuEP5w7cJmxRCE6qeLr7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab9651d47a233659031688a89057f3acc2f043daedc4ae3e15f7c54f1bc5eeb. 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/1pRfnopnvsAzUIu0AZasLL.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/1pRfnopnvsAzUIu0AZasLL.