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 0x7e8b53b5acfe36161b6879506f5704051c6b61eef9c1019da914c56be01d92ca. 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/676a5ac7-b672-4947-873e-d966439e41b2.json and https://artists.proofprofile.net/proofs/artist/676a5ac7-b672-4947-873e-d966439e41b2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
You're the Best - Live from Spotify SXSW 2014
Don't Wanna Be Your Girl - Live from Spotify SXSW 2014
It's All in Vain - Michael's #1 Emotional Mix
Don't Wanna Be Your Girl (Branchez Remix)
Don't Wanna Be Your Girl - Branchez Remix
Don't Wanna Be Your Girl - Autoharp Demo
Still Run (feat. Starchild & The New Romantic)
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 0x9423a2cfac6950547796500926671cf230bfaccf1c42e26b5def53476a444393. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4RAehXRhNaJN0XYElXObRh.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/4RAehXRhNaJN0XYElXObRh.
{"copyright_id":"0xe58ee95e021fb9050ea3d951bf53aa933a03b785a1b3fba639f5b27105d72383","isrc":"GBKPL2159125","name":"Bound (with Blood Orange)","registered_at":"2026-06-04T07:21:53Z","spotify_id":"1EggqFjjMYhpkPYv1vXyDU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe58ee95e021fb9050ea3d951bf53aa933a03b785a1b3fba639f5b27105d72383. 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/1EggqFjjMYhpkPYv1vXyDU.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/1EggqFjjMYhpkPYv1vXyDU.
{"copyright_id":"0xd0e61d30e8f3f309cf3e911c74d455a1082824a9dd5d04b0cd068e05ceeb75e0","isrc":"GBKPL2159121","name":"Over and Over","registered_at":"2026-06-09T05:36:27Z","spotify_id":"6ZDE4DLzK9vDHIeIAr65dE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0e61d30e8f3f309cf3e911c74d455a1082824a9dd5d04b0cd068e05ceeb75e0. 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/6ZDE4DLzK9vDHIeIAr65dE.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/6ZDE4DLzK9vDHIeIAr65dE.
{"copyright_id":"0x1154e32da0aeeb637ac8cd7df2a9d13066d92a757772b54d3c5c4316cc93bd45","isrc":"GBKPL2153750","name":"On Your Side","registered_at":"2026-06-06T15:54:47Z","spotify_id":"1wAclvl2eW3uuTQtWGXP2M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1154e32da0aeeb637ac8cd7df2a9d13066d92a757772b54d3c5c4316cc93bd45. 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/1wAclvl2eW3uuTQtWGXP2M.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/1wAclvl2eW3uuTQtWGXP2M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bd8f0b49763b3bf8cb95d163f5bc62332c455af51d04632846eeff13818dd0c. 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/1T9MOWPyxsDfZEGhTZgnpv.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/1T9MOWPyxsDfZEGhTZgnpv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x921fa7531766f39ff5603402b1d06e00f77279406448e2cbe4687340af649a59. 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/3o2A8NqiGiTJWLg6kDmsY1.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/3o2A8NqiGiTJWLg6kDmsY1.
{"copyright_id":"0x374996c9494ddfb0e2aeda2922d0ce34ac606c40c4f36ce1dc7a9cd5c04aad53","isrc":"GBKPL2159124","name":"Blades of Grass","registered_at":"2026-06-08T09:52:13Z","spotify_id":"7bVXfdeIIrGWC1y3R5TpBP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374996c9494ddfb0e2aeda2922d0ce34ac606c40c4f36ce1dc7a9cd5c04aad53. 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/7bVXfdeIIrGWC1y3R5TpBP.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/7bVXfdeIIrGWC1y3R5TpBP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe58ee95e021fb9050ea3d951bf53aa933a03b785a1b3fba639f5b27105d72383. 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/0CsLshwxsSHYq3m6gLw3Uo.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/0CsLshwxsSHYq3m6gLw3Uo.
{"copyright_id":"0x2260ec094aaeb35e4b76291d427c8fcacee43629be56e769d1298e17bebbf20d","isrc":"GBKPL2159126","name":"Only One","registered_at":"2026-06-07T06:01:44Z","spotify_id":"2KETWU16wSd1GunuHvPv7l","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2260ec094aaeb35e4b76291d427c8fcacee43629be56e769d1298e17bebbf20d. 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/2KETWU16wSd1GunuHvPv7l.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/2KETWU16wSd1GunuHvPv7l.
{"copyright_id":"0x88709938516c317da905b0efc2e7735cf9f00fff194209d8e45bb7c7c9cc6fed","isrc":"GBKPL2159127","name":"The Letter Blue","registered_at":"2026-06-08T10:24:12Z","spotify_id":"2aeUDtAG5hfx7dGR0zzOgL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88709938516c317da905b0efc2e7735cf9f00fff194209d8e45bb7c7c9cc6fed. 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/2aeUDtAG5hfx7dGR0zzOgL.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/2aeUDtAG5hfx7dGR0zzOgL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe23389eab94e9166eb394cb0406f496b1e28c4af300ea30bbb4842d4105b68fa. 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/75upy8vPocg9SEOWeColbz.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/75upy8vPocg9SEOWeColbz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9423a2cfac6950547796500926671cf230bfaccf1c42e26b5def53476a444393. 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/3YFbjJtmJPk71vK9tDohrY.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/3YFbjJtmJPk71vK9tDohrY.
Larabar (Remembering Something Heavy in the Car Going Wherever Remix)
Larabar - Remembering Something Heavy in the Car Going Wherever Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3918a539818cf33de7f0fc1588950a675aa7b967e589289cdc94ecaaa46320d. 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/7ry34dFOuoK2c5GoYWWsl3.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/7ry34dFOuoK2c5GoYWWsl3.
Actual Life 3 (January 1 - September 9 2022)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5025c923a55e5f85139692c846060fb2cb2835d7c4d20902a72b59f0e62280c1. 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/7HE4i03hLQsuuV0fUPFypJ.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/7HE4i03hLQsuuV0fUPFypJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc05046a51b9168077deda8bdfdbfbae706211c450f5ca90dfe8a6dc635fdd264. 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/6SxL9GQXEfYzWqdjB5ztPl.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/6SxL9GQXEfYzWqdjB5ztPl.