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 0xa80626d046ba1c03d807ac5258d69bbe7873a816bbb6a81446ce4b60f6dd4c65. 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/ab18eb58-4879-4380-af59-075b5718f540.json and https://artists.proofprofile.net/proofs/artist/ab18eb58-4879-4380-af59-075b5718f540.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 0x64625febb1d0fbdb5b4e90555ad0af8dbe0daac5d8e56dc2025e8480ad7c8342. 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/3rszSRP7Tn32yhsZIJFGAx.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/3rszSRP7Tn32yhsZIJFGAx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0047b13c4b0d7284a372198b6fcc13b353a237b2d28cbd89551ca5ace43ac8a9. 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/7Cr4dqXWvacZ3jHJjxpNre.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/7Cr4dqXWvacZ3jHJjxpNre.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad6b35f376c77f8899f0907c0055157e0d5a7717bec379405afdd946b82ea5d. 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/73Fv1ntsQLllXg8UcVz1xd.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/73Fv1ntsQLllXg8UcVz1xd.
It's a Good Day for a Good Day - Instrumental
The Ocean's Depth (Inspired by 'The Outlaw Ocean' a book by Ian Urbina)
Ladybug (William Ogmundson Piano version)
Ladybug - William Ogmundson Piano version
Trust Yourself (The Noam Chomsky Music Project)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73fa32f3031179c87f37fc08e61053c80ca7024e518c5059431452357a128a4. 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/3yu0JTqx6nSHKCThEEVCfw.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/3yu0JTqx6nSHKCThEEVCfw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba477827f2c4f1e4b463da52d49f941fe88d9133bfa5793bbb92b2a66b84a724. 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/7jmt5hUTYYu9tztYUcd5uD.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/7jmt5hUTYYu9tztYUcd5uD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4181c0ae5c001b3f95568dd72b48db5e8eb713e054effd08a911aa683779d967. 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/0JCNIz09AXmAvgBJPWPTbR.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/0JCNIz09AXmAvgBJPWPTbR.
{"copyright_id":"0xad7d41e22f2292550b609efcd5d4ecd2faaebc738a0d21efb303248116ac5261","isrc":"CAN112100366","name":"ancient call","registered_at":"2026-06-05T06:39:12Z","spotify_id":"5pUeTAQUT9PmvIrQa1Q8mn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad7d41e22f2292550b609efcd5d4ecd2faaebc738a0d21efb303248116ac5261. 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/5pUeTAQUT9PmvIrQa1Q8mn.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/5pUeTAQUT9PmvIrQa1Q8mn.
{"copyright_id":"0xddcf40bb37c4c4375b5a35453280e5ef3d2a07c7ee626b2452052774330b1c48","isrc":"CAN112300713","name":"Interlude - Slumberville Remix","registered_at":"2026-06-10T15:41:37Z","spotify_id":"2b3OvzQk9uPHUS22BOSKK7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddcf40bb37c4c4375b5a35453280e5ef3d2a07c7ee626b2452052774330b1c48. 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/2b3OvzQk9uPHUS22BOSKK7.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/2b3OvzQk9uPHUS22BOSKK7.