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 0x389ac361fd3fd74e4f6757dee51b33bd454cdf649ef6c0082897ca4d652edb97. 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/8edc2c63-e488-4d49-a072-a238c1ff7214.json and https://artists.proofprofile.net/proofs/artist/8edc2c63-e488-4d49-a072-a238c1ff7214.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x940146580b62404a48bb4edaa2fb58eeda7e55dea806a6c1b2d537e3c36d4bed","isrc":"TCJPG2527125","name":"The Backrooms - composition 10","registered_at":"2026-06-22T18:51:28Z","spotify_id":"4A5uvo7cOIUxJD3bkBg48B","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 0x940146580b62404a48bb4edaa2fb58eeda7e55dea806a6c1b2d537e3c36d4bed. 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/4A5uvo7cOIUxJD3bkBg48B.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/4A5uvo7cOIUxJD3bkBg48B.
Zeldas Lullaby [slowed and reverbed] (piano version)
Zeldas Lullaby [slowed and reverbed] - piano version
{"copyright_id":"0x132560b0beb47a5afa65d3f66a209ef1697da37be54c500a51c6a6cef53df1d4","isrc":"TCJPG2507765","name":"you should be here","registered_at":"2026-06-26T15:09:25Z","spotify_id":"0HILn3F2gOyW5gtF0iVoaV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x132560b0beb47a5afa65d3f66a209ef1697da37be54c500a51c6a6cef53df1d4. 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/0HILn3F2gOyW5gtF0iVoaV.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/0HILn3F2gOyW5gtF0iVoaV.
7 Weeks & 3 Days (Luigi Version) [9smkr remix]
7 Weeks & 3 Days - Luigi Version - 9smkr remix
{"copyright_id":"0xa64c9b91990161cdec107bf6c8a40796c81e3f5e767035d9c734acfd71c6265c","isrc":"TCJPF2574493","name":"Still Life","registered_at":"2026-06-10T13:43:23Z","spotify_id":"4yMbgUHYaWIk5yQlgIXPMm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa64c9b91990161cdec107bf6c8a40796c81e3f5e767035d9c734acfd71c6265c. 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/4yMbgUHYaWIk5yQlgIXPMm.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/4yMbgUHYaWIk5yQlgIXPMm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c4eb52399d399c0c53df5bd055b264d8f6131e752eef11527873a47b385b70b. 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/5SIQVcH0d2Ir8cAH5TqS9X.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/5SIQVcH0d2Ir8cAH5TqS9X.
{"copyright_id":"0xc570a9a26b8974ffb1d8be857a7fbfcd7dd5aa703f9f30b5f6d783467d6b2cff","isrc":"TCJPO2161559","name":"you're so unfair","registered_at":"2026-06-07T23:01:10Z","spotify_id":"5IRUL6tdQxrlDNOBCZfIGe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc570a9a26b8974ffb1d8be857a7fbfcd7dd5aa703f9f30b5f6d783467d6b2cff. 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/5IRUL6tdQxrlDNOBCZfIGe.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/5IRUL6tdQxrlDNOBCZfIGe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14db473dd57ef4ad38980f323503bcc1cb2200801c8bd1797f94b3e7c2bd2199. 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/1D4YpFy68qrhOGEnnXd4Ds.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/1D4YpFy68qrhOGEnnXd4Ds.
{"copyright_id":"0xaab5f32a1420cb01e1a811c95dd8cfb851e51f9f6dc05ea4f813b442daa601e5","isrc":"TCJPO2161568","name":"all that matter","registered_at":"2026-06-07T11:53:12Z","spotify_id":"1fVgZ5vmAKoWGk24wdRlgA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaab5f32a1420cb01e1a811c95dd8cfb851e51f9f6dc05ea4f813b442daa601e5. 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/1fVgZ5vmAKoWGk24wdRlgA.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/1fVgZ5vmAKoWGk24wdRlgA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f43f1ef3dd19af2b9f0478e3f00d7099bf9111722175067527af119714a110. 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/7dske6urksCA0zJfee3c1l.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/7dske6urksCA0zJfee3c1l.
{"copyright_id":"0x3841b48e4ddac47d6e08616637d59c05db4b4db03c73aa22803a6ab1651fdd67","isrc":"TCJPO2161552","name":"Shading you","registered_at":"2026-06-06T20:15:32Z","spotify_id":"6lTbMO0uTvoUelmZYFOHP3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3841b48e4ddac47d6e08616637d59c05db4b4db03c73aa22803a6ab1651fdd67. 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/6lTbMO0uTvoUelmZYFOHP3.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/6lTbMO0uTvoUelmZYFOHP3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef31b3b78192a5dcb67c4ca6811b33303e97730b01ade257b69ca1f8cb969ed. 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/5LL3YfA6ZQ8bxFi933KjdQ.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/5LL3YfA6ZQ8bxFi933KjdQ.
{"copyright_id":"0x117bf535c1adbf8ad34aa3bd3d162531e16eceefaa3e8907927697b2b48e540b","isrc":"TCJPO2161581","name":"I'm not so perfect","registered_at":"2026-06-10T09:19:31Z","spotify_id":"4DXxBMrQEUE1s1ErRG7MsM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117bf535c1adbf8ad34aa3bd3d162531e16eceefaa3e8907927697b2b48e540b. 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/4DXxBMrQEUE1s1ErRG7MsM.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/4DXxBMrQEUE1s1ErRG7MsM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x285287088cdbd591f358b80a2488b7be926e051bd9516f5c5804ff9ff2a80b2f. 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/5uQdfmDK2iwyPALk61MbLA.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/5uQdfmDK2iwyPALk61MbLA.
{"copyright_id":"0x483ecd83a7258da00d17a908c8ef74c7f44f8eeedc50a9b0d9f23d5e53904852","isrc":"TCJPO2137183","name":"is it too much to ask for","registered_at":"2026-06-05T10:15:24Z","spotify_id":"1VmDYIexKAzxcawnVNlneB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x483ecd83a7258da00d17a908c8ef74c7f44f8eeedc50a9b0d9f23d5e53904852. 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/1VmDYIexKAzxcawnVNlneB.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/1VmDYIexKAzxcawnVNlneB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5e690825920a3742183cc94ef1dab0e91c182fbc1e5f424df2a5f09af511a9d. 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/1F4RR0ClP2uVjV1k8ZvMGH.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/1F4RR0ClP2uVjV1k8ZvMGH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf23caf15068e5789663d57640cfc30f37d2f932eba4e060d67cc66b93e2eb5ca. 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/1Cr4H4JwogB4xaijA91jj5.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/1Cr4H4JwogB4xaijA91jj5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bbe3a1ca14705e8809d654845e8ebc9c293d885f45110262113a9353d3730e3. 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/4fjt1phqib2j7m2kxFxJaZ.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/4fjt1phqib2j7m2kxFxJaZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xded92f584ac6d9df42fb4b3d454f760145b808b3d0963b96ab4f8f6f208510f5. 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/7cYHFuH2i9JBzaj32i57lU.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/7cYHFuH2i9JBzaj32i57lU.
{"copyright_id":"0x613bb828fe88f26d3a9a0ea60e4be3f51c0e4dc384b1edf3eef85c35070c0265","isrc":"TCJPN2179055","name":"bite your soul","registered_at":"2026-06-06T20:12:17Z","spotify_id":"2ehxBZzQH1ST6PE8kKkzQ5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613bb828fe88f26d3a9a0ea60e4be3f51c0e4dc384b1edf3eef85c35070c0265. 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/2ehxBZzQH1ST6PE8kKkzQ5.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/2ehxBZzQH1ST6PE8kKkzQ5.
{"copyright_id":"0x940899ef488e35d25cb10f1341cfbab2cd826d7a1ca520bc10331e9701f70d2e","isrc":"TCJPN2179056","name":"I'm drunk and confused","registered_at":"2026-06-05T23:51:59Z","spotify_id":"2ok1uLd2crLGilcFpwOLNU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x940899ef488e35d25cb10f1341cfbab2cd826d7a1ca520bc10331e9701f70d2e. 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/2ok1uLd2crLGilcFpwOLNU.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/2ok1uLd2crLGilcFpwOLNU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70602a5486c78d71c32bb6ab551dc3f7001086c98fbef59bf0edd6d49e401140. 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/6Q0T7zH09R0IwOcHF1jisY.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/6Q0T7zH09R0IwOcHF1jisY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x387ce14b07b3f45d121a8efcd3f3cae06348eec2903ad4cd46a8c2210fc4401f. 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/3k7CNzrxt637b9rEvxL7I0.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/3k7CNzrxt637b9rEvxL7I0.
{"copyright_id":"0xe728dda6c797d1a650497fa25ae92d794a978505174de328f0f8bec026f25fe5","isrc":"TCJPN2179063","name":"steal my love","registered_at":"2026-06-06T07:00:28Z","spotify_id":"5YtbIfmzMDKiEg2MC4RKnd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe728dda6c797d1a650497fa25ae92d794a978505174de328f0f8bec026f25fe5. 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/5YtbIfmzMDKiEg2MC4RKnd.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/5YtbIfmzMDKiEg2MC4RKnd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67f7e03b84b83c16e2d25190506b7fb45e272aceea54b362c8915835843090a0. 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/2WEpZcByxYXcxDawYwjaeQ.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/2WEpZcByxYXcxDawYwjaeQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95af847f2f6b3d6fa6ee7e731850b3b8532a597c5242361f41f0bbdd45d4778. 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/1BNIkhN35xun7Qeyc1rSJa.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/1BNIkhN35xun7Qeyc1rSJa.