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 0xda43487d719b0d1c46110400db25a0804d4b25441069c4302592bebb0d01fe7e. 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/8d4ec8d1-8eb3-48c5-8423-e70c67b5ed41.json and https://artists.proofprofile.net/proofs/artist/8d4ec8d1-8eb3-48c5-8423-e70c67b5ed41.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 0x5a55d4f5df61173ebc3ce0df76317cdc0e502ae48f5c10b6e3b9d926bf368288. 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/5HulPYbCzHNFezfMW0t5iy.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/5HulPYbCzHNFezfMW0t5iy.
Oh Jazz (feat. Thayana Valle) - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86cfe1fb12d45c289ac900466f65d15795e63e441d5213b73157fe909e668935. 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/2BXQ4XsLRCssKvUVtb6nPu.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/2BXQ4XsLRCssKvUVtb6nPu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b77658c943e6f9299054c49ee3f49b8c2b268355201b610eedb0238e1e991f0. 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/4ST8J3g9AgslIrvOuXGVI8.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/4ST8J3g9AgslIrvOuXGVI8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316dc6bb07670b70e164dd7142f1a87d60b0f37c0b3bf79584058dd92942678e. 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/0KW3srRTtq1XSRRBykgjNm.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/0KW3srRTtq1XSRRBykgjNm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20f11bba5cc993affea514b564007112e72eafade4790654fb6022242411ddd2. 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/2ccD1tfwjA8UBLh4EGlLr6.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/2ccD1tfwjA8UBLh4EGlLr6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75bcfc72036abd7e17c4b0740291ab8d0e897178f7a6ea4b190885c3dd39f902. 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/3xd4xEMTEBMV9CN8cAqSkI.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/3xd4xEMTEBMV9CN8cAqSkI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6b1bf50a55b4642f7d2d0619187fec100ab610a87d20984850611a1e37ba40. 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/0NoIZE58UDrLg88WCBtFYG.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/0NoIZE58UDrLg88WCBtFYG.
{"copyright_id":"0x28eb27f6bf400d8ccdb5272c9d3d0dc4a0842820c27c13f0b3448f98eb96bf75","isrc":"GBKQU2036778","name":"Higher Ground","registered_at":"2026-06-24T13:38:54Z","spotify_id":"2mgq9m3oUX0NIj3UivUFDW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28eb27f6bf400d8ccdb5272c9d3d0dc4a0842820c27c13f0b3448f98eb96bf75. 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/2mgq9m3oUX0NIj3UivUFDW.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/2mgq9m3oUX0NIj3UivUFDW.
Compilation of Anniversary - 5 years of Digiment