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 0x18db4631885f6e285566a3a5ec4e7165d741d575671dcdee3bd8dd386fdbebb8. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a2cbdacc-a96f-4457-b99a-083d33b10466.json and https://artists.proofprofile.net/proofs/artist/a2cbdacc-a96f-4457-b99a-083d33b10466.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 0xb012a170bab1f18dbeb2eb53709f9c216a2df7b9fd7e603ce5243fe4cd6e110e. 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/1i7QbG73o4liXhmbtaT7Z3.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/1i7QbG73o4liXhmbtaT7Z3.
{"copyright_id":"0x3c9d2ae4ace52b4ddedcff66b24d176eb9cb63f210b161a112a8879d65af5ebe","isrc":"USMH51100077","name":"Tennessee Plates","registered_at":"2026-06-07T13:11:40Z","spotify_id":"7IqgzG3pELbSdoIAInTI19","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c9d2ae4ace52b4ddedcff66b24d176eb9cb63f210b161a112a8879d65af5ebe. 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/7IqgzG3pELbSdoIAInTI19.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/7IqgzG3pELbSdoIAInTI19.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd2e0b5643dbcf95429202b23448b6d1b73716619cf73841560afb9e75d65fd3. 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/4WPB8sqL2RayXfI9mcz0WM.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/4WPB8sqL2RayXfI9mcz0WM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf95fa5259d2166079c07fe40d51cea2d6787039cd374418f83c28602eceed3b6. 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/3bgBirLi3tevI42mTPfTmX.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/3bgBirLi3tevI42mTPfTmX.
{"copyright_id":"0xdf3cdd26ad215519a4889d3270acc253dda6f03c83dd7e6423989c89b1ce51a4","isrc":"USMH50800015","name":"The Ballad of John Henry","registered_at":"2026-06-06T21:26:40Z","spotify_id":"1jIerjgmmIjYoiRaf0DaM0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf3cdd26ad215519a4889d3270acc253dda6f03c83dd7e6423989c89b1ce51a4. 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/1jIerjgmmIjYoiRaf0DaM0.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/1jIerjgmmIjYoiRaf0DaM0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c3d5cbb561fe31102b008cd70112d4a4cb218c6c1cc4e7ec89804e0ce1edde8. 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/3WFfqRoJhJeHIZzKdW5xXZ.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/3WFfqRoJhJeHIZzKdW5xXZ.
{"copyright_id":"0xef5cb8ecca006344e2abe679e76fbc143cca4dda2b9cdf54750136e2a7bedf8e","isrc":"USI4R0602933","name":"So Many Roads","registered_at":"2026-06-04T09:54:35Z","spotify_id":"4rsRYhm78huEfclb5NW5Ps","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef5cb8ecca006344e2abe679e76fbc143cca4dda2b9cdf54750136e2a7bedf8e. 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/4rsRYhm78huEfclb5NW5Ps.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/4rsRYhm78huEfclb5NW5Ps.
{"copyright_id":"0x1b5a06ec7e57473c8d1d1f8b148f1c606e77a6a3b93b0838e03b5d8e6b68e94d","isrc":"USI4R0602899","name":"Blues Deluxe","registered_at":"2026-06-04T06:39:25Z","spotify_id":"2O7OjNCjqflzWOTVg9UlEm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b5a06ec7e57473c8d1d1f8b148f1c606e77a6a3b93b0838e03b5d8e6b68e94d. 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/2O7OjNCjqflzWOTVg9UlEm.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/2O7OjNCjqflzWOTVg9UlEm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26f6c8917aa895ac0163c6441493d4ed2c023a948ef35d25e6e9f69011d6a390. 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/5Q1wG9MDLA9cg0Kl14QJZI.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/5Q1wG9MDLA9cg0Kl14QJZI.
Alligator Records 45th Anniversary Collection
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b5b7eed807a879a843d6df7d03ce227ef16156f5e39067a6865b7d4a70da137. 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/2r46l03PjLiW5Xy6BLMfbj.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/2r46l03PjLiW5Xy6BLMfbj.
Temple Of Blues - Influences And Friends
{"copyright_id":"0x70fd5532e9cb2fcb2ccd49dac7d7b18d989183faafbfeb5168e39b7c7deb6e41","isrc":"QM6XS2400092","name":"Parchman Farm","registered_at":"2026-06-25T19:29:59Z","spotify_id":"17BF4AqPSg3rQvQkjGgHbt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70fd5532e9cb2fcb2ccd49dac7d7b18d989183faafbfeb5168e39b7c7deb6e41. 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/17BF4AqPSg3rQvQkjGgHbt.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/17BF4AqPSg3rQvQkjGgHbt.
Key Lime Blues (feat. Joe Bonamassa & Steve Lukather)
{"copyright_id":"0x5dda3faefe48c0eaacc0a149592400ea86a03dd12e842ed71aad3ddc8dcd31df","isrc":"GBDHC2233405","name":"Key Lime Blues (feat. Joe Bonamassa & Steve Lukather)","registered_at":"2026-06-26T22:57:35Z","spotify_id":"7xAZxqQwCd8tRrzXvoE6O0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dda3faefe48c0eaacc0a149592400ea86a03dd12e842ed71aad3ddc8dcd31df. 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/7xAZxqQwCd8tRrzXvoE6O0.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/7xAZxqQwCd8tRrzXvoE6O0.