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 0xb512b9cf6a5340e758837ed6eb41a45bdcbe1caa9be1d8b33ebff9806a1acf78. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d95cd892-9ed5-4175-9ebb-0174db4c45c3.json and https://artists.proofprofile.net/proofs/artist/d95cd892-9ed5-4175-9ebb-0174db4c45c3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pretty Girls Cry Too: HER FAVORITE EDITION
G N O (Girls Night Out) [Slowed-Down Version]
G N O (Girls Night Out) [Sped-Up Version]
G N O (Girls Night Out) - Slowed-Down Version
G N O (Girls Night Out) - Sped-Up Version
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 0x0849b12201e99a87db196def60032d076061aaa47a3a6261361afc72a9253008. 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/46pjvscihunp5ya6PEm6kv.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/46pjvscihunp5ya6PEm6kv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0e18432e64903ee9de9858bb796cfcbfdff88e3015027bd7e36489b124b08d. 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/3kLvW8vqkSUYjdkHv73zsV.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/3kLvW8vqkSUYjdkHv73zsV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7869960bcc28ba951e89811d574967939adff257c8cd6ae82c461b69ade7d411. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/08p5azTTBARuxr04n7TEMw.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/08p5azTTBARuxr04n7TEMw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab115e55ac71e37041aa9ec636b0396041b59662f0ed9822a7b04218a8cd22a3. 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/749NrsYPw5ysfBTrWsSCbZ.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/749NrsYPw5ysfBTrWsSCbZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa192fe50549aa5e092e44ca278e53d8411f2fee26c68b13164dd6e07c90ff44. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Kse1IFFonitCgzIVGrFyF.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/4Kse1IFFonitCgzIVGrFyF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb08581671f5094529ad15b888a0ac9e3ffe4c8a2bf585108d582017ed6dc8511. 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/37OUx1XCzANvE2aGONf2S2.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/37OUx1XCzANvE2aGONf2S2.
{"copyright_id":"0x094d05d4d7aab3d08b353b1b1d384dc8ec270dd1db6b5403c16472d4f72497b3","isrc":"QZMEM2304592","name":"Pretty Privilege","registered_at":"2026-06-06T18:04:27Z","spotify_id":"4bNjcXnQB9epJDvuWTm7ZM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x094d05d4d7aab3d08b353b1b1d384dc8ec270dd1db6b5403c16472d4f72497b3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4bNjcXnQB9epJDvuWTm7ZM.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/4bNjcXnQB9epJDvuWTm7ZM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b150c7c06123ae62348c5b8ea10371f83ecac79debdf79415c695280444541d. 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/5w6CpiK5MIywuEsw3dGcUW.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/5w6CpiK5MIywuEsw3dGcUW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe39c6ca3e30a72d6db4b81d96eebb045696705ecce1520917ff046258788158f. 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/045rFR3TA2XgrpFQ0njCu2.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/045rFR3TA2XgrpFQ0njCu2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290a0894c6e1683c91da739c229eea5646c985fbfa41dc4df71223756c2aaff9. 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/22wuPXOYyA72xtBFmC5iB0.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/22wuPXOYyA72xtBFmC5iB0.
{"copyright_id":"0x1f7b727e4e417021ec2dad6de11007dab6eccb19034729d5c813aec2dbe327a5","isrc":"AUMEV2524349","name":"VON DUTCH","registered_at":"2026-06-29T05:54:57Z","spotify_id":"3vXNq8oIBanQ4kQjlWyyBk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7b727e4e417021ec2dad6de11007dab6eccb19034729d5c813aec2dbe327a5. 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/3vXNq8oIBanQ4kQjlWyyBk.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/3vXNq8oIBanQ4kQjlWyyBk.