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 0xfb0e051c4efdfa7d79a193ade31dd75481d63b1855b0265e4197ae2b0fd5a162. 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/cabc7212-fec7-4d50-9f46-08204f67c9ea.json and https://artists.proofprofile.net/proofs/artist/cabc7212-fec7-4d50-9f46-08204f67c9ea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x3478a587c44d37416680101e625b72cf8ce52ca7bcfbc19ff8e382258d35e8ad","isrc":"GBJCP0900381","name":"My Sister's Tiny Hands","registered_at":"2026-06-29T00:29:49Z","spotify_id":"1QwFvWw0FXM9NoJsgWGpfG","type":"track"}
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 0x3478a587c44d37416680101e625b72cf8ce52ca7bcfbc19ff8e382258d35e8ad. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1QwFvWw0FXM9NoJsgWGpfG.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/1QwFvWw0FXM9NoJsgWGpfG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3478a587c44d37416680101e625b72cf8ce52ca7bcfbc19ff8e382258d35e8ad. 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/6DJhLV7VXZQwh18s0vm4T7.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/6DJhLV7VXZQwh18s0vm4T7.
{"copyright_id":"0x40e7d000533d5ad5276a3d36fd4e81045dc94f7a724aea3ac0b0fa55478b8b77","isrc":"GBJCP0900418","name":"Gail with the Golden Hair","registered_at":"2026-06-29T00:35:35Z","spotify_id":"5KQaGyUOFUey2PWfQQWQOr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40e7d000533d5ad5276a3d36fd4e81045dc94f7a724aea3ac0b0fa55478b8b77. 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/5KQaGyUOFUey2PWfQQWQOr.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/5KQaGyUOFUey2PWfQQWQOr.
{"copyright_id":"0x40e7d000533d5ad5276a3d36fd4e81045dc94f7a724aea3ac0b0fa55478b8b77","isrc":"GBJCP0900418","name":"Gail With the Golden Hair","registered_at":"2026-06-29T00:35:35Z","spotify_id":"3wUo5kxmPV6uAtETnpb6M8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40e7d000533d5ad5276a3d36fd4e81045dc94f7a724aea3ac0b0fa55478b8b77. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3wUo5kxmPV6uAtETnpb6M8.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/3wUo5kxmPV6uAtETnpb6M8.
Far From Any Road (Main Title Theme from "True Detective")
Far From Any Road - Main Title Theme from "True Detective"
Hiway Poesy Painted Desert to Albuquerque
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef14cab4b7f0269b61e6dabdfa6b6a6ff9b190121f0f244ffee4ccde64ffd6b. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4slpqLJuWHNfQcXBBcmOjL.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/4slpqLJuWHNfQcXBBcmOjL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef14cab4b7f0269b61e6dabdfa6b6a6ff9b190121f0f244ffee4ccde64ffd6b. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7j4Cf33Xf43juxZ49d5TBC.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/7j4Cf33Xf43juxZ49d5TBC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef14cab4b7f0269b61e6dabdfa6b6a6ff9b190121f0f244ffee4ccde64ffd6b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6HJZMV8ZG0AA2JWy9YN615.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/6HJZMV8ZG0AA2JWy9YN615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef14cab4b7f0269b61e6dabdfa6b6a6ff9b190121f0f244ffee4ccde64ffd6b. 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/4YWbnqHZVusiSM88v94zf7.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/4YWbnqHZVusiSM88v94zf7.
True Detective (Music From The HBO Series)
{"copyright_id":"0x5204d9ea3df325a2e40dda13e6d2248bb2a0fd48798d5c213bacf05e16354cf3","isrc":"US2X80436005","name":"Far From Any Road","registered_at":"2026-06-04T10:21:35Z","spotify_id":"1XvZtp7aOMbipSW37GhIol","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5204d9ea3df325a2e40dda13e6d2248bb2a0fd48798d5c213bacf05e16354cf3. 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/1XvZtp7aOMbipSW37GhIol.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/1XvZtp7aOMbipSW37GhIol.
{"copyright_id":"0xff1f74adf44149b18ecedd0098ef18d6bcf2b61b22ac9622c46fc2dad6c41bd4","isrc":"USG880600009","name":"Famous Blue Raincoat","registered_at":"2026-06-06T21:42:21Z","spotify_id":"3Wp2HYwwDLtCYhHOXUhvQc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff1f74adf44149b18ecedd0098ef18d6bcf2b61b22ac9622c46fc2dad6c41bd4. 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/3Wp2HYwwDLtCYhHOXUhvQc.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/3Wp2HYwwDLtCYhHOXUhvQc.
While No One Was Looking: Toasting 20 Years Of Bloodshot Records
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06fecef1c8403c708fb1c86969926dd38a96d464cb2e7b9ce93112532800ad31. 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/2mLonyNmsq4E2uUuFucTIy.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/2mLonyNmsq4E2uUuFucTIy.
Down to the Promised Land: 5 Years of Bloodshot Records