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 0x19327db763d93a45e7c024bb8d9450c3403498f7270fa1031c7daef7cad4bf01. 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/275e5fab-fcf0-46ae-931d-4b1810112d1f.json and https://artists.proofprofile.net/proofs/artist/275e5fab-fcf0-46ae-931d-4b1810112d1f.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 0x94b4d19790bd66eed7077a318762adeaa63a5966330259c2313f5389d112b45a. 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/3LB2VjCfEmdaMNE6BLRceT.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/3LB2VjCfEmdaMNE6BLRceT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86ff2c84b98339b67dd39bf0bbdf9923e79a36d132127d946277cedac7257642. 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/6SAMEXQHCnxaFoiuvwE5kl.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/6SAMEXQHCnxaFoiuvwE5kl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f134af7183b98a5ea4e0770ed2745e5c08769f01d68d26a3fd93699ca08304a. 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/1MVg2VloB8fJecoxNyG99M.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/1MVg2VloB8fJecoxNyG99M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4935d68e83e7db3ee76354121bdae05be56a4a3143bee3a2546b18fe1c8791f0. 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/1yEWJUSp43FKfFoz9DQrV3.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/1yEWJUSp43FKfFoz9DQrV3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00b96da53b0f023670ae4c3e524fc30f0094cf008581af0c10b94e8e01377e4e. 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/2qZPjarGokedeNbPPWsPST.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/2qZPjarGokedeNbPPWsPST.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x257327272976b60b945d9fae703c003b59bd552cc6075cbc6ada73d3d3197907. 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/6fHc8gX9hr9owayr0hLtR8.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/6fHc8gX9hr9owayr0hLtR8.
{"copyright_id":"0x9ddcf8f7aecb9f9f2bb05eb6bc3652725026c90c1af3efa468236615c15a60c9","isrc":"TCAGD2279104","name":"Mass Ave Blues","registered_at":"2026-06-23T13:31:35Z","spotify_id":"0PddngXn9Z6s9COxa7RKkJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ddcf8f7aecb9f9f2bb05eb6bc3652725026c90c1af3efa468236615c15a60c9. 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/0PddngXn9Z6s9COxa7RKkJ.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/0PddngXn9Z6s9COxa7RKkJ.
{"copyright_id":"0xecd949cb9c7d58522cda14659cc176388edabbf79d63ca17ad62a88b18e77d01","isrc":"TCAGD2279109","name":"Worthy Lamb","registered_at":"2026-06-18T03:35:04Z","spotify_id":"6HIZ3ytJEDH1R4eYMS1HgF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecd949cb9c7d58522cda14659cc176388edabbf79d63ca17ad62a88b18e77d01. 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/6HIZ3ytJEDH1R4eYMS1HgF.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/6HIZ3ytJEDH1R4eYMS1HgF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3fd5472d79f6959af9e71497a79d08ee4284585adc6738d0cb24de952eabc7d. 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/2bq8HnTjuURz9yWURV7k0o.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/2bq8HnTjuURz9yWURV7k0o.
#Siemprelosupe - Acústico [Alt Take # 1]
#Siemprelosupe - Acústico [Alt Take # 2]
{"copyright_id":"0xbeaf2a47ed39b77e57cbc9476b1a8d6ffdae0367d85160f24a5141e4197f9f77","isrc":"USCGJ2121359","name":"Dios Eterno","registered_at":"2026-06-25T12:30:06Z","spotify_id":"3pbFt7zRxf8p1srQTN2szY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeaf2a47ed39b77e57cbc9476b1a8d6ffdae0367d85160f24a5141e4197f9f77. 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/3pbFt7zRxf8p1srQTN2szY.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/3pbFt7zRxf8p1srQTN2szY.
{"copyright_id":"0x5ef8730ea6319784f1ca1f692bca39356cc0a51b56e6e9f6794dbd0b34060f2b","isrc":"CAOA82100061","name":"Feliz Navidad - 50th Anniversary/FN50","registered_at":"2026-06-20T03:45:00Z","spotify_id":"4jCg7gXA68MA5yfhyrzoVw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef8730ea6319784f1ca1f692bca39356cc0a51b56e6e9f6794dbd0b34060f2b. 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/4jCg7gXA68MA5yfhyrzoVw.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/4jCg7gXA68MA5yfhyrzoVw.
{"copyright_id":"0x5ef8730ea6319784f1ca1f692bca39356cc0a51b56e6e9f6794dbd0b34060f2b","isrc":"CAOA82100061","name":"Feliz Navidad - 50th Anniversary/FN50","registered_at":"2026-06-20T03:45:00Z","spotify_id":"0glDCOGSySbxK6M4uJjxO3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef8730ea6319784f1ca1f692bca39356cc0a51b56e6e9f6794dbd0b34060f2b. 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/0glDCOGSySbxK6M4uJjxO3.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/0glDCOGSySbxK6M4uJjxO3.