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 0xc3ca67188a35e182f3515579fba32bfc4801c2e34d46426087b403d93d02bc3f. 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/10d32035-6172-45cc-a021-17331546b19f.json and https://artists.proofprofile.net/proofs/artist/10d32035-6172-45cc-a021-17331546b19f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gone (Julian Marsh Extended Ethereal Mix)
Gone (Julian Marsh Extended Ethereal Mix) - Radio Edit
{"copyright_id":"0x4a195c4e4caeb59b0261fa9ea7d5694b7cd6ba32481b2dca8c6d30b48a977cc7","isrc":"USC4R1901900","name":"We’re Just in Your Head","registered_at":"2026-06-18T02:09:12Z","spotify_id":"30mB5BT6Xd08OqmqCEaTsS","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 0x4a195c4e4caeb59b0261fa9ea7d5694b7cd6ba32481b2dca8c6d30b48a977cc7. 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/30mB5BT6Xd08OqmqCEaTsS.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/30mB5BT6Xd08OqmqCEaTsS.
{"copyright_id":"0xf33af886d5efc4ad185457bf79cf1ff8ceac886c667d16c0adf2ee8716e2dd85","isrc":"USC4R1901904","name":"Sam Failed Her Driver’s Test","registered_at":"2026-06-19T12:08:29Z","spotify_id":"6SawTbwYOriV7xNWiVT4Xn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf33af886d5efc4ad185457bf79cf1ff8ceac886c667d16c0adf2ee8716e2dd85. 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/6SawTbwYOriV7xNWiVT4Xn.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/6SawTbwYOriV7xNWiVT4Xn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6832f7be6b96dfcde884d7fae2ce2451de8da6f44c05164143d91c8594348abf. 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/46J5O4tl9higHkcwAo3lND.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/46J5O4tl9higHkcwAo3lND.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe10514338acac548432b89f7551accb56e31b20951d0af738b045997e1070590. 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/41aY0uLSzIEathx9L7P5qy.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/41aY0uLSzIEathx9L7P5qy.
{"copyright_id":"0x0af1dd002384c9d9ced5aeba86d1bb4f03af5737e960cc82668eac208960c68f","isrc":"USC4R1901910","name":"I Know My Girl","registered_at":"2026-06-20T07:03:29Z","spotify_id":"2PcVMMhKQ7IWtdKWiNLQr5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0af1dd002384c9d9ced5aeba86d1bb4f03af5737e960cc82668eac208960c68f. 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/2PcVMMhKQ7IWtdKWiNLQr5.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/2PcVMMhKQ7IWtdKWiNLQr5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6484485c24618db35a33b5764f1f54dac9260fb5f1864c4c313da497317c1a89. 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/6X5eChPt9PKbR2aahdCynT.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/6X5eChPt9PKbR2aahdCynT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c32341c5094773d565490fc02295bc18eb3ec9951e9eeb92b27e052a59c37b6. 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/5HTR0jqCi6ifNWRKd0GWOJ.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/5HTR0jqCi6ifNWRKd0GWOJ.
{"copyright_id":"0x6c48c77f40fbaf113935b055ae9e4d1d962c3cecd6ad3bb2dea5e399e5f73a81","isrc":"USC4R1901916","name":"Run Away With Me","registered_at":"2026-06-05T17:06:22Z","spotify_id":"38fqQmjJm5i5QtmUJXw3w6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c48c77f40fbaf113935b055ae9e4d1d962c3cecd6ad3bb2dea5e399e5f73a81. 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/38fqQmjJm5i5QtmUJXw3w6.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/38fqQmjJm5i5QtmUJXw3w6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174c4502abba700f0d80a3c2f7f72a555b344b008f241f70d046c0e181d3d5e7. 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/6So7SrLC2d8FRDEQRa13gE.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/6So7SrLC2d8FRDEQRa13gE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b757b5f855ba645e8b9449a7de91a3a3d0ad557154f3d90e8052422bb1221d0. 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/25Ina8UAWTCrSiODtNBWyr.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/25Ina8UAWTCrSiODtNBWyr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d3721ed26c346a928d165b0052a29ac03a184deba0fe7aa7c3767446fae93d. 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/2mH81Rk5THfJB0X41obuPS.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/2mH81Rk5THfJB0X41obuPS.
Where the Sky Ends: The Songs of Michael Mott
Drafts: The Music and Lyrics of Alexander Sage Oyen, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ef0830c59715dcc78383e80aef5ec1d086f46e0a4f57532d1f6a62b447aac9. 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/1As0DIn3aDCaAspzPQ2s6b.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/1As0DIn3aDCaAspzPQ2s6b.
Great, Cool (feat. Blake Daniel & Ben Fankhauser)
{"copyright_id":"0xb74eecb026697d54469e9ea9c0a1c6d2abf60da26620515e73b24decc04b37db","isrc":"USHM91480986","name":"Great, Cool (feat. Blake Daniel & Ben Fankhauser)","registered_at":"2026-06-11T06:08:58Z","spotify_id":"78cm4576D4dfQFDEtfXZEv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74eecb026697d54469e9ea9c0a1c6d2abf60da26620515e73b24decc04b37db. 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/78cm4576D4dfQFDEtfXZEv.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/78cm4576D4dfQFDEtfXZEv.
The White Rose: A Musical Concept Recording