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 0xa2ca72db006ebce19788948abe243a3f104577309a91821a7bbee85d9cdc9370. 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/44792ad0-c506-4242-8de9-7fa697f1beb3.json and https://artists.proofprofile.net/proofs/artist/44792ad0-c506-4242-8de9-7fa697f1beb3.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 0x4ac8fe8a52ba438864ea89f565688846ff086e1e33670b6665adefc1bbd7ecbd. 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/6YpMG0MUGUKWoxv8Yhwz1C.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/6YpMG0MUGUKWoxv8Yhwz1C.
Power (feat. Sister Nancy & Sampa the Great)
Waiting Patiently (feat. JayaHadADream) [Turkish Dcypha Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ec6031f8ff6ab8d53c3e0e8bfef659515bac9580c9403be8c5a3f9fb713d51. 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/5mHA6UCBRsgjWPRDmZQ8uO.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/5mHA6UCBRsgjWPRDmZQ8uO.
The One You Want / Baby It's You (feat. JessB) - Live at Big Fan
{"copyright_id":"0x7b1205e3ef52e4dfa0c3e5a31e5cee4b4ade38563419f98609403cc84a75c189","isrc":"NZSG02300024","name":"The One You Want / Baby It's You (feat. JessB) - Live at Big Fan","registered_at":"2026-06-09T16:53:44Z","spotify_id":"17zfFVmsDnoGFasmGs29sk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b1205e3ef52e4dfa0c3e5a31e5cee4b4ade38563419f98609403cc84a75c189. 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/17zfFVmsDnoGFasmGs29sk.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/17zfFVmsDnoGFasmGs29sk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5d8aac420e137144106731ff7c2638e61b7112eb4275017c7a449f81df5506. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0J8EO7Xbpnlr3H5YqH2tHj.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/0J8EO7Xbpnlr3H5YqH2tHj.
The One You Want (60s Song) (feat. JessB)
{"copyright_id":"0x1ade0e06bbea1bb78f5a4d7c6a7b0620a76af578565e9fb9988699f00cae2ea9","isrc":"NZSG02200016","name":"The One You Want (60s Song) (feat. JessB)","registered_at":"2026-06-06T03:50:30Z","spotify_id":"2uZRuOGaBBiG8DycFOhedl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ade0e06bbea1bb78f5a4d7c6a7b0620a76af578565e9fb9988699f00cae2ea9. 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/2uZRuOGaBBiG8DycFOhedl.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/2uZRuOGaBBiG8DycFOhedl.
Best Friend (feat. Doja Cat, JessB & OKENYO) [Remix]
Best Friend (feat. Doja Cat) [Remix EP] [Extended Edition]
{"copyright_id":"0xf3eef872f49cdf473777fcf2aa9fa9c8a48dba219d0643956a364b828320dffc","isrc":"USWB12100852","name":"Best Friend (feat. Doja Cat, JessB & OKENYO) [Remix]","registered_at":"2026-06-09T05:45:01Z","spotify_id":"1aVPXYYFyqjt6mt9yvATQA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3eef872f49cdf473777fcf2aa9fa9c8a48dba219d0643956a364b828320dffc. 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/1aVPXYYFyqjt6mt9yvATQA.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/1aVPXYYFyqjt6mt9yvATQA.
{"copyright_id":"0xf3eef872f49cdf473777fcf2aa9fa9c8a48dba219d0643956a364b828320dffc","isrc":"USWB12100852","name":"Best Friend (feat. Doja Cat, JessB & OKENYO) [Remix]","registered_at":"2026-06-09T05:45:01Z","spotify_id":"16vsVTJDouifhVbyWpo81R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3eef872f49cdf473777fcf2aa9fa9c8a48dba219d0643956a364b828320dffc. 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/16vsVTJDouifhVbyWpo81R.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/16vsVTJDouifhVbyWpo81R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1c8cf2a3d9ddcc5b224435a787cd3877c72e99bed2ee2a1643805422919ae47. 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/7dSbPpsFpxC909FzcndDTO.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/7dSbPpsFpxC909FzcndDTO.