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 0x0b61d5d54c30c4c5c9af17e5205de5b73f25d6d106dd254e226a08b6edad3e88. 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/86d363c1-7f04-4048-a5c6-a35bb2ee39c7.json and https://artists.proofprofile.net/proofs/artist/86d363c1-7f04-4048-a5c6-a35bb2ee39c7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Barcelona Nights: Romantic Spanish Guitar
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 0xf1f1159c7c7ba056d010be4d84e14e647879384fba7caf844b73988b0c9d4bb7. 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/5iWkkQ11OFTK8tGpumyBGb.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/5iWkkQ11OFTK8tGpumyBGb.
Samba Carnival: Cool Sambas & Breezy Brazilian Rhythms
Caminhando Pelo Pelourinho (A Stroll In Pelourinho)
Meu Rio, Vem Pro Samba (My Rio, Let's Samba)
Noche de Pasión (Night of Passion): Romantic Latin Guitar
Sol, Praia E Pimenta (Sun, Beach and Spice)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b986dbe4b7ea1041171038377ccf0f56db1ce0ee94f347e4ce3eac30643e86d. 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/5k3E4lPbItw9Zf2eq64Xqt.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/5k3E4lPbItw9Zf2eq64Xqt.
{"copyright_id":"0x83de5ec897fa16ae8c03d3c5a72bf97e4cc1b159b6b9436294e91c3520cffed3","isrc":"GBLFP2460473","name":"Picnic Romántico - Instrumental Guitar","registered_at":"2026-06-27T15:53:59Z","spotify_id":"0cWUSKwGtTKB2FunBKdOiU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83de5ec897fa16ae8c03d3c5a72bf97e4cc1b159b6b9436294e91c3520cffed3. 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/0cWUSKwGtTKB2FunBKdOiU.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/0cWUSKwGtTKB2FunBKdOiU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8499991b5ffd0e50031f6dd30d9458db9e003f8660d8196f7c7641623b37cfa2. 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/4ehqn8pjvoYgsoAGS1gxsf.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/4ehqn8pjvoYgsoAGS1gxsf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x496e21879194d54b7ecf10a11b56dec7a96f715bf9cdc248af02c0864925f89e. 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/2jmKtbhWpDpHBdufQgf8ER.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/2jmKtbhWpDpHBdufQgf8ER.