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 0x9e759d78c6dea0088d945af0baaac83f8d5b81c1bcb804d4c8f7aa0c05e3a81f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/17733a5d-cadd-41f8-8773-c1a2a23547a9.json and https://artists.proofprofile.net/proofs/artist/17733a5d-cadd-41f8-8773-c1a2a23547a9.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 0xee20dfb23a66e56e9484b6ba41d333b71d2870da32400eb331f0526d276b4337. 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/4ZIam3omF73NPEKufXiTvi.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/4ZIam3omF73NPEKufXiTvi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc27374b8bd3161fe88e148dec115f1fa22a7aba9ec4108b064d87100b06068. 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/56YnSY2VyWLJPijfrzK6Gc.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/56YnSY2VyWLJPijfrzK6Gc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb841b4774a1c535c430dfb204586c330448d18392eba50a0e2f11e725d056090. 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/4AZoHy5ogfQdm38OPAS90F.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/4AZoHy5ogfQdm38OPAS90F.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/35ozBsTvvvhmGdQItKqln9.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/35ozBsTvvvhmGdQItKqln9.
{"copyright_id":"0x2da59fcc151640d8b9b63cdc9ec39d0fc70540bb602f78ed099ff1a3ff573a94","isrc":"DEKF22301248","name":"RICK OWENS (feat. Ken Carson)","registered_at":"2026-06-01T12:36:03Z","spotify_id":"6VASMtJitNcGLlsWhPb9BC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2da59fcc151640d8b9b63cdc9ec39d0fc70540bb602f78ed099ff1a3ff573a94. 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/6VASMtJitNcGLlsWhPb9BC.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/6VASMtJitNcGLlsWhPb9BC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/4iaDcHWWvPI63bMYpAIHhu.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/4iaDcHWWvPI63bMYpAIHhu.
{"copyright_id":"0x7d9f13b6299edc4c879f873046c46dfe6aeb3f4fd3caebd12c93a0c672eb15d7","isrc":"DEE862400144","name":"SAY GOODBYE (feat. Monty Datta & Snøw)","registered_at":"2026-06-04T07:51:09Z","spotify_id":"5PKzftfAhdf7XLEfL3U3RZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9f13b6299edc4c879f873046c46dfe6aeb3f4fd3caebd12c93a0c672eb15d7. 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/5PKzftfAhdf7XLEfL3U3RZ.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/5PKzftfAhdf7XLEfL3U3RZ.
UR IN MY HEAD (feat. Monty Datta & Hinshi)
{"copyright_id":"0x7d9f13b6299edc4c879f873046c46dfe6aeb3f4fd3caebd12c93a0c672eb15d7","isrc":"DEE862400144","name":"SAY GOODBYE (feat. Monty Datta & Snøw)","registered_at":"2026-06-04T07:51:09Z","spotify_id":"7d5v1rtUltCS7jXGVYQVkg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9f13b6299edc4c879f873046c46dfe6aeb3f4fd3caebd12c93a0c672eb15d7. 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/7d5v1rtUltCS7jXGVYQVkg.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/7d5v1rtUltCS7jXGVYQVkg.
SAY GOODBYE 2.0 (feat. Motive & Yung Kafa & Kücük Efendi)
{"copyright_id":"0x7d9f13b6299edc4c879f873046c46dfe6aeb3f4fd3caebd12c93a0c672eb15d7","isrc":"DEE862400144","name":"SAY GOODBYE (feat. Monty Datta & Snøw)","registered_at":"2026-06-04T07:51:09Z","spotify_id":"6KKVJzxhYmAd47KgWX7vJa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9f13b6299edc4c879f873046c46dfe6aeb3f4fd3caebd12c93a0c672eb15d7. 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/6KKVJzxhYmAd47KgWX7vJa.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/6KKVJzxhYmAd47KgWX7vJa.
{"copyright_id":"0x7d9f13b6299edc4c879f873046c46dfe6aeb3f4fd3caebd12c93a0c672eb15d7","isrc":"DEE862400144","name":"SAY GOODBYE (feat. Monty Datta & Snøw)","registered_at":"2026-06-04T07:51:09Z","spotify_id":"0qZS991lZiFECP5iA9sOOp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9f13b6299edc4c879f873046c46dfe6aeb3f4fd3caebd12c93a0c672eb15d7. 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/0qZS991lZiFECP5iA9sOOp.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/0qZS991lZiFECP5iA9sOOp.
{"copyright_id":"0x2da59fcc151640d8b9b63cdc9ec39d0fc70540bb602f78ed099ff1a3ff573a94","isrc":"DEKF22301248","name":"RICK OWENS (feat. Ken Carson)","registered_at":"2026-06-01T12:36:03Z","spotify_id":"7qAyWILStEa7VkjF00kXas","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2da59fcc151640d8b9b63cdc9ec39d0fc70540bb602f78ed099ff1a3ff573a94. 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/7qAyWILStEa7VkjF00kXas.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/7qAyWILStEa7VkjF00kXas.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/0iHIdYAsQF4CIyFtbpV8cc.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/0iHIdYAsQF4CIyFtbpV8cc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/3Kyr6BCVS8sKCdqJmdTFB7.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/3Kyr6BCVS8sKCdqJmdTFB7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/0PwoueqObdF9ofJyNxEErA.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/0PwoueqObdF9ofJyNxEErA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/5J0HUHDaWAUhzZFM8iOQ6Y.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/5J0HUHDaWAUhzZFM8iOQ6Y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/2Aqi0ScWwh8ziQAwmWbgL8.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/2Aqi0ScWwh8ziQAwmWbgL8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/2hdDOBkfMG6sQ1yiTfl1QU.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/2hdDOBkfMG6sQ1yiTfl1QU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/1GwGftWchU5iekfYV7DBRf.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/1GwGftWchU5iekfYV7DBRf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5184008582433bd411a4948fd89f5f05723e4b10f0ba737ae4ea0c90d7ce4124. 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/63aQEOk9W5rqWdLWJoaQws.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/63aQEOk9W5rqWdLWJoaQws.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38f349baf424f7e200f76c28af460a45e0eb61399da78a8ce293d52266c14e30. 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/05uSa0qi1vy6ClsPrPxmgk.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/05uSa0qi1vy6ClsPrPxmgk.