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 0xa45003c968ff272c8547640b53cd343abd13e9d5201f41fede6aa3c3ca390847. 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/13adf796-6098-4c5a-b9e2-6ddab66f9649.json and https://artists.proofprofile.net/proofs/artist/13adf796-6098-4c5a-b9e2-6ddab66f9649.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x5aaf1d81a3312667c75d8e0879a276eb886dc3229f0d323b875fec373eaaeff0","isrc":"CA5KR2087331","name":"St Mary's - Morgan Page Remix","registered_at":"2026-06-18T10:16:12Z","spotify_id":"21BAqc9YIxSF5jsfzfELYe","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 0x5aaf1d81a3312667c75d8e0879a276eb886dc3229f0d323b875fec373eaaeff0. 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/21BAqc9YIxSF5jsfzfELYe.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/21BAqc9YIxSF5jsfzfELYe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c76ece3fe16d2e7b09084b7a6b807f8189cc38627f06fe70aeef37bdb9ab387. 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/0k006goIxz92vu9UuSicWl.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/0k006goIxz92vu9UuSicWl.
{"copyright_id":"0xc71a669c7aa8a2e5f5aa2a3adeba61ed3f822fdc7dc63c05eb708ac6ab709a35","isrc":"NLF712005303","name":"Discopolis 2.0 - MEDUZA Remix","registered_at":"2026-06-04T15:56:58Z","spotify_id":"4R6QOzXhJJObwRuet81DGB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc71a669c7aa8a2e5f5aa2a3adeba61ed3f822fdc7dc63c05eb708ac6ab709a35. 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/4R6QOzXhJJObwRuet81DGB.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/4R6QOzXhJJObwRuet81DGB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bfad089798a3e21f5f3bad90360b79dc69cc452c5737c46ffc98a38275a9a24. 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/5mWuq81bSsDVaUVYhuK6NO.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/5mWuq81bSsDVaUVYhuK6NO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eff2607de56fcc6cfca46a1027e4413c9e3a518f52115b614999d34543bf933. 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/3Kkp7GtSm7aG852213LLh2.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/3Kkp7GtSm7aG852213LLh2.
Homesick (feat. SOUNDR) - Morgan Page Remix
{"copyright_id":"0xb61cd2556a5c72f9bc8537ca83932661da100c46f2e2ae8514040f9aec075ceb","isrc":"GBEWA2104691","name":"Homesick (feat. SOUNDR) - Morgan Page Remix","registered_at":"2026-06-21T09:10:01Z","spotify_id":"5qZ4DjVHH7flPmwzEeg4Rn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61cd2556a5c72f9bc8537ca83932661da100c46f2e2ae8514040f9aec075ceb. 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/5qZ4DjVHH7flPmwzEeg4Rn.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/5qZ4DjVHH7flPmwzEeg4Rn.
{"copyright_id":"0x4aabbd8e9ab6a0e5f1ec94b9e0f97f8ac47df33d4bcce420298d2e221f8b7bb2","isrc":"AUFF01800057","name":"All Your Love (Morgan Page Remix)","registered_at":"2026-06-10T19:44:52Z","spotify_id":"34c6kSAZCfYmn5XZUrnLbp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aabbd8e9ab6a0e5f1ec94b9e0f97f8ac47df33d4bcce420298d2e221f8b7bb2. 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/34c6kSAZCfYmn5XZUrnLbp.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/34c6kSAZCfYmn5XZUrnLbp.
{"copyright_id":"0x157628cab1a23e6086d8ac7421f6db240bda46c272716388ce720fc34f401b4b","isrc":"US3DF2141721","name":"Do It All Over (Morgan Page Remix)","registered_at":"2026-06-21T20:15:27Z","spotify_id":"3Qg8Sg4CXo0dSlDtdLmJ6g","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x157628cab1a23e6086d8ac7421f6db240bda46c272716388ce720fc34f401b4b. 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/3Qg8Sg4CXo0dSlDtdLmJ6g.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/3Qg8Sg4CXo0dSlDtdLmJ6g.
{"copyright_id":"0x4c1c211f98eb0309ab70265b25316c2f6b6bd4673bfb1bfcaa1eddf595f269a4","isrc":"NLF711709001","name":"The Longest Road - deadmau5 Remix","registered_at":"2026-06-25T15:28:35Z","spotify_id":"7gAOgaXdfj0ZmPZJZlKzTI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c1c211f98eb0309ab70265b25316c2f6b6bd4673bfb1bfcaa1eddf595f269a4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7gAOgaXdfj0ZmPZJZlKzTI.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/7gAOgaXdfj0ZmPZJZlKzTI.
Homesick (feat. SOUNDR) - Morgan Page Extended Mix
Our Song (ARNXT018) - Steff da Campo Remix