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 0x58416d39418988dcb23f245eef165eb37cb484c5f7c741e73b683aa59d36f6b2. 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/704668bc-8e7f-4923-891e-e5d3437c02a8.json and https://artists.proofprofile.net/proofs/artist/704668bc-8e7f-4923-891e-e5d3437c02a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
BETTER WITH YOU (REMIX) (feat. Aaron Cole)
{"copyright_id":"0xa4dff9b408befcd54ea635caf71feca9f22c7ceef687b8877b1ba758fc199ab8","isrc":"USPJT2200001","name":"Growing Pains","registered_at":"2026-06-04T10:05:11Z","spotify_id":"6QNjoS2EUF1ueFq3DisRdl","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 0xa4dff9b408befcd54ea635caf71feca9f22c7ceef687b8877b1ba758fc199ab8. 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/6QNjoS2EUF1ueFq3DisRdl.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/6QNjoS2EUF1ueFq3DisRdl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe17976e785d2464860c6469d23ed1417b614f4eca0450285f7a725d7d0331e81. 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/5jPASoXG7nAluEsWYq6xTc.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/5jPASoXG7nAluEsWYq6xTc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x467f8a7dff3f2405c46fc075631d7283ff1650239d0e9cfc15dccf826d507536. 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/4bFdxT5rZG472ijGPHfLxA.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/4bFdxT5rZG472ijGPHfLxA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc656ff63fec9cfd20ee01ce3b807501a2f54ae31e6d15797342f37738e760a7d. 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/2uIQXo6pWhc8oSUL4BCzVs.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/2uIQXo6pWhc8oSUL4BCzVs.
{"copyright_id":"0xf9aa4b213a5e1d5ec2a60d5e292282a45b7dd5d6605c70e874204d053e52fac5","isrc":"USPJT2200028","name":"All That You've Done (For Me)","registered_at":"2026-06-07T20:20:24Z","spotify_id":"7DgfrWYM74HpTY4JUOrGa7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9aa4b213a5e1d5ec2a60d5e292282a45b7dd5d6605c70e874204d053e52fac5. 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/7DgfrWYM74HpTY4JUOrGa7.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/7DgfrWYM74HpTY4JUOrGa7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631a41554bd80ca24387f1cdf01212bc614241ffc5a59acc95f530d1f77f6505. 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/66c4XcVZWejwyU2TznYqiZ.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/66c4XcVZWejwyU2TznYqiZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e491b446577ca0139c36c7762553b28bc8302c9c00d84dbddc9e5e013657a10. 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/6HELlDKNqQVSD2aCUs1xgp.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/6HELlDKNqQVSD2aCUs1xgp.
{"copyright_id":"0x8e62886c941ef1d6679611ad9b3b8703559597410989b1d5d58c8eaba967fddd","isrc":"USPJT2200006","name":"Has anyone ever left you high and dry?","registered_at":"2026-06-06T11:02:40Z","spotify_id":"2F5hDBihY3yLQhoznHGDed","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e62886c941ef1d6679611ad9b3b8703559597410989b1d5d58c8eaba967fddd. 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/2F5hDBihY3yLQhoznHGDed.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/2F5hDBihY3yLQhoznHGDed.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e7fd0d53220bea0cffba89f2b872b8cda37f8fe2dc20561fb0c21c62b2c0c40. 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/4zKtqroHUcg0sVZ10JwPBq.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/4zKtqroHUcg0sVZ10JwPBq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a1898eeb4be61e88aaed8ab1b2186e3db8f580c0968ce51951e3ecebdcfc57e. 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/7iiN8DciKOI7Cz7l62H0uY.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/7iiN8DciKOI7Cz7l62H0uY.
{"copyright_id":"0x63f5d06d6c13bbffbcca24b4c65bac8bf56ada210b4f95fe6553e86a34a52ae7","isrc":"USPJT2200025","name":"Growing Pains Pt. 2","registered_at":"2026-06-04T12:05:08Z","spotify_id":"3JT72Odgjboph3SnXhDbzk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f5d06d6c13bbffbcca24b4c65bac8bf56ada210b4f95fe6553e86a34a52ae7. 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/3JT72Odgjboph3SnXhDbzk.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/3JT72Odgjboph3SnXhDbzk.
{"copyright_id":"0x5d1b80035eaa50586645a0fd8ca5caa135c0163465b16d9745fea0b0dcfe15ed","isrc":"USPJT2200011","name":"Back Then","registered_at":"2026-06-04T13:11:44Z","spotify_id":"4vSOPcWRHOxoXHfHZTUVLi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1b80035eaa50586645a0fd8ca5caa135c0163465b16d9745fea0b0dcfe15ed. 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/4vSOPcWRHOxoXHfHZTUVLi.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/4vSOPcWRHOxoXHfHZTUVLi.
{"copyright_id":"0xdfbcdebff9691bdb9368fbf64e39fc517cdfb448095ed386f14a158dd249e666","isrc":"USPJT2300010","name":"Good News","registered_at":"2026-06-05T21:48:50Z","spotify_id":"7Gn9jaAQaiOkWBJAgAM0xF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbcdebff9691bdb9368fbf64e39fc517cdfb448095ed386f14a158dd249e666. 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/7Gn9jaAQaiOkWBJAgAM0xF.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/7Gn9jaAQaiOkWBJAgAM0xF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ea3be0d9c87940befdce00caa6d48189cba33cc5f38bf6b117a61d34aef0e2c. 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/68KVmSqAOYem04YsC37U7B.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/68KVmSqAOYem04YsC37U7B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0457512217eb9324d6e58906c89e2b042ad5821d34b7a9a8139e7d9362f3f6e. 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/40gq5T9vLZ1Va2cXuEFJi2.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/40gq5T9vLZ1Va2cXuEFJi2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d3f7238e8cc05d822dc14f115a9e5d2419ab5c35815ea710dc096849a245c6f. 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/5yMvQenKUbpGwHANXyKzp1.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/5yMvQenKUbpGwHANXyKzp1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8001180cbfc849fe4ab53658847420cd36a5c0e02e8784964adb8d266651e681. 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/1M3Y52bIexPAMJlcRju6zB.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/1M3Y52bIexPAMJlcRju6zB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d6379df443b62d285b3701f9f9b2e7a6ba6b0e05692ce5ad1abfc9674b1f858. 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/0Gd3BYUzxIyO1vn89W3Vit.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/0Gd3BYUzxIyO1vn89W3Vit.
{"copyright_id":"0xddb76f9a571ff8d713deca2a02efb953248a096ea96ed343e33da263d3f646b9","isrc":"USPJT2300007","name":"You Will Be Saved","registered_at":"2026-06-02T00:49:01Z","spotify_id":"52fFFOmFw3O2vytfZUx3dV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddb76f9a571ff8d713deca2a02efb953248a096ea96ed343e33da263d3f646b9. 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/52fFFOmFw3O2vytfZUx3dV.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/52fFFOmFw3O2vytfZUx3dV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f229f485aea16b2eae7c3e7c2cd554a0770a06583eefea50b5d176234102966. 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/2QmFBXdMGeXlsE0AV8j5qA.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/2QmFBXdMGeXlsE0AV8j5qA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x236d6fab4590f0021850487d153f5d657579fb4a5033b0d089249e3be93ab96d. 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/3HQ9mUzgLQ6Hvl1Q1YiiKN.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/3HQ9mUzgLQ6Hvl1Q1YiiKN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x236d6fab4590f0021850487d153f5d657579fb4a5033b0d089249e3be93ab96d. 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/0lvMWKWDENFmjkiR4AVHui.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/0lvMWKWDENFmjkiR4AVHui.
{"copyright_id":"0xae183b5da2d814f94e531d9bf95db6b5fbed3d9a21c6e0a2dd74ab95e66f8b1f","isrc":"USPJT2400006","name":"GOODBYE YESTERDAY","registered_at":"2026-06-20T18:55:49Z","spotify_id":"7xlWpsFcfpeoJK633zrVid","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae183b5da2d814f94e531d9bf95db6b5fbed3d9a21c6e0a2dd74ab95e66f8b1f. 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/7xlWpsFcfpeoJK633zrVid.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/7xlWpsFcfpeoJK633zrVid.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f229f485aea16b2eae7c3e7c2cd554a0770a06583eefea50b5d176234102966. 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/1aQQhTCKeF0yoiDL76SKGA.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/1aQQhTCKeF0yoiDL76SKGA.
{"copyright_id":"0x7a28dacf74c03b5a9003d170192c67a3087a8d927f230b6b5ee0d2740cf7b6ae","isrc":"USPJT2200049","name":"Why (feat. ELEVATION RHYTHM) - Live","registered_at":"2026-06-04T11:44:20Z","spotify_id":"0EaATiXb2XAe6ReQzBohZ3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a28dacf74c03b5a9003d170192c67a3087a8d927f230b6b5ee0d2740cf7b6ae. 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/0EaATiXb2XAe6ReQzBohZ3.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/0EaATiXb2XAe6ReQzBohZ3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e82031fd656de667d11ffb8394e7f91e479e6533a336ca4fa2215357e85fc82. 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/4BhWQqvFGxwAuKP2TTPMeb.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/4BhWQqvFGxwAuKP2TTPMeb.
{"copyright_id":"0xfe0012cabcdb5b16c446eeccaec403ab1de268a32274039b21f2d71a45481b7a","isrc":"QMPDP2300080","name":"God Of War","registered_at":"2026-06-09T06:28:09Z","spotify_id":"4Z96ykPAd2adK6vROdWaZ0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe0012cabcdb5b16c446eeccaec403ab1de268a32274039b21f2d71a45481b7a. 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/4Z96ykPAd2adK6vROdWaZ0.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/4Z96ykPAd2adK6vROdWaZ0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x479d0f892686a302f7308eea95195780daf5f15efa39ee4c7287b8e044d716cb. 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/63JkJgohc84bYfejKewE1s.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/63JkJgohc84bYfejKewE1s.