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 0xe4a25212f260003af9723952e2399ca86a25c77bb4021fb86a592231b6856c5b. 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/dae88a45-78ba-41bc-9d79-fcc61df85c51.json and https://artists.proofprofile.net/proofs/artist/dae88a45-78ba-41bc-9d79-fcc61df85c51.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x4267dfefda5bc102ec7f485c20601866f05daf4972fb3cd5138a24e51ab68630","isrc":"US27Q0761392","name":"Goddamn Lonely Love - Live","registered_at":"2026-06-28T20:16:00Z","spotify_id":"1HxCRbIQA67Hzs4Z1aIPZ2","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 0x4267dfefda5bc102ec7f485c20601866f05daf4972fb3cd5138a24e51ab68630. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1HxCRbIQA67Hzs4Z1aIPZ2.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/1HxCRbIQA67Hzs4Z1aIPZ2.
Cover Me Up (Live at the Ryman Auditorium - 10/18/19)
Jason Isbell and the 400 Unit - Dreamsicle
Jason Isbell and the 400 Unit - Only Children
Jason Isbell and the 400 Unit - What've I Done to Help
Jason Isbell and the 400 Unit - Be Afraid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc9809bde47dc06ab20b575702aa9f38fcc43cd50fdb3b545f84410b7f59644. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5npwUEdX7AXs1M8zxns9Uw.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/5npwUEdX7AXs1M8zxns9Uw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a3bd646897f10a5399e1badc9817467171ed40f664277b9fb31ac4a63db0f83. 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/0rNM8dIliSXJ1DhcAdYah3.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/0rNM8dIliSXJ1DhcAdYah3.
{"copyright_id":"0xbefb55149e76323e44c61157d3e8ed3ec2360d9cb5f61e5e5b4bd4b6e55eddd7","isrc":"QMHBS2100702","name":"Honeysuckle Blue","registered_at":"2026-06-08T02:30:02Z","spotify_id":"49DbDeFUQAqkpTCuHhlHi2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbefb55149e76323e44c61157d3e8ed3ec2360d9cb5f61e5e5b4bd4b6e55eddd7. 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/49DbDeFUQAqkpTCuHhlHi2.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/49DbDeFUQAqkpTCuHhlHi2.
{"copyright_id":"0x2bd5d9863d6c8a9a98320e1ca79d9f02236fac4658213d365eabe3949c14b3c6","isrc":"QMHBS2100703","name":"It's a Man's, Man’s, Man’s World","registered_at":"2026-06-07T19:27:36Z","spotify_id":"5CfGXaEPnhwqAlhX2PJmy4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bd5d9863d6c8a9a98320e1ca79d9f02236fac4658213d365eabe3949c14b3c6. 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/5CfGXaEPnhwqAlhX2PJmy4.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/5CfGXaEPnhwqAlhX2PJmy4.
{"copyright_id":"0xcb36b0eb7f6d2802c36142474e21ee4fc841e381c6ddf7a4e21915da08af644f","isrc":"QMHBS2100704","name":"Cross Bones Style","registered_at":"2026-06-19T09:27:47Z","spotify_id":"5hDAY1RB1ulA1nDVCxyCaO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb36b0eb7f6d2802c36142474e21ee4fc841e381c6ddf7a4e21915da08af644f. 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/5hDAY1RB1ulA1nDVCxyCaO.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/5hDAY1RB1ulA1nDVCxyCaO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x670fdd1b06131f179f110b3e3e266215b7bb27bb3c255cc55d0669510d545238. 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/2hpSDYFWIKZVfdfBsZ0mRJ.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/2hpSDYFWIKZVfdfBsZ0mRJ.
{"copyright_id":"0x90f78df51576f3d15e64b39674afae1b6053d8a7637c5ea5e567c7cabeee3f9a","isrc":"QMHBS2100706","name":"I've Been Loving You Too Long","registered_at":"2026-06-20T04:23:21Z","spotify_id":"3IU8RK6qWHwPgcxivj1VID","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90f78df51576f3d15e64b39674afae1b6053d8a7637c5ea5e567c7cabeee3f9a. 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/3IU8RK6qWHwPgcxivj1VID.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/3IU8RK6qWHwPgcxivj1VID.
{"copyright_id":"0x098a7e530f6c06e8ffdcc641a427a61d0241dd39b4e385a07d0e66b0694198a4","isrc":"QMHBS2100707","name":"Sometimes Salvation","registered_at":"2026-06-20T04:20:59Z","spotify_id":"4KLdGUJxGCPXsWZ69ugIiO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098a7e530f6c06e8ffdcc641a427a61d0241dd39b4e385a07d0e66b0694198a4. 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/4KLdGUJxGCPXsWZ69ugIiO.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/4KLdGUJxGCPXsWZ69ugIiO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3447da001b175eca7e57a572e1eeb45338271d46d1e12de980072359884943db. 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/7rgoqTbHoRhxzdpasCLjuQ.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/7rgoqTbHoRhxzdpasCLjuQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa992904e11998974a5cb8da45aecaac465bb70b8e08562cf06380df123c375a3. 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/5zPSx48xd1qETuuk0dAt39.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/5zPSx48xd1qETuuk0dAt39.
{"copyright_id":"0xb5504b60f52d31dfb63c02f52f7ee0ecd7efca7cea7548d04c72de537e294f58","isrc":"QMHBS2100710","name":"Midnight Train to Georgia","registered_at":"2026-06-10T16:25:33Z","spotify_id":"7mIIipDGDfrjx0W2D5qaox","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5504b60f52d31dfb63c02f52f7ee0ecd7efca7cea7548d04c72de537e294f58. 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/7mIIipDGDfrjx0W2D5qaox.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/7mIIipDGDfrjx0W2D5qaox.
{"copyright_id":"0x1ae36df3aba0f32a2f89c6c835c57f7f0a646a5e03fa882b7e023193c9bf4775","isrc":"QMHBS2100711","name":"In Memory of Elizabeth Reed","registered_at":"2026-06-20T23:31:57Z","spotify_id":"5cckiHiVPWug7GjVeicYc0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae36df3aba0f32a2f89c6c835c57f7f0a646a5e03fa882b7e023193c9bf4775. 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/5cckiHiVPWug7GjVeicYc0.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/5cckiHiVPWug7GjVeicYc0.
{"copyright_id":"0x9b19db416a6febfc6f0d12bc3d001095bc569e0ff61d0dc4a640291ba7b4a2da","isrc":"QMHBS2100712","name":"I'm Through","registered_at":"2026-06-24T10:38:19Z","spotify_id":"4v3PrevtfNmAEK3nI75O1y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b19db416a6febfc6f0d12bc3d001095bc569e0ff61d0dc4a640291ba7b4a2da. 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/4v3PrevtfNmAEK3nI75O1y.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/4v3PrevtfNmAEK3nI75O1y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd7df9c2a63942722dd8a6e3c26e482833bc4d1c67cffd06fb60227332d6f22. 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/6n2mctnAGWCV9EowOhudoS.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/6n2mctnAGWCV9EowOhudoS.
Look What You've Done to Your Brother (from ‘Let’s Go Dancing’ the songs of Drivin n Cryin)
Look What You've Done to Your Brother - from ‘Let’s Go Dancing’ the songs of Drivin n Cryin
{"copyright_id":"0x9fc9809bde47dc06ab20b575702aa9f38fcc43cd50fdb3b545f84410b7f59644","isrc":"QMKHM2100009","name":"Sad But True","registered_at":"2026-06-19T23:40:06Z","spotify_id":"06OMrXDPMVZtdZBdwoWXLL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc9809bde47dc06ab20b575702aa9f38fcc43cd50fdb3b545f84410b7f59644. 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/06OMrXDPMVZtdZBdwoWXLL.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/06OMrXDPMVZtdZBdwoWXLL.
Warren Haynes Presents the Benefit Concert, Vol. 16
Bad Monkey (Apple TV+ Original Series Soundtrack)
{"copyright_id":"0x6bba31605a44eb9d4e18595d447cdbf58a97813b08f0f9750beaf4c0f70badff","isrc":"QMHBS2400201","name":"You're Gonna Get It","registered_at":"2026-06-19T07:58:47Z","spotify_id":"0RquorLGmBfscIvEBX7XjD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bba31605a44eb9d4e18595d447cdbf58a97813b08f0f9750beaf4c0f70badff. 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/0RquorLGmBfscIvEBX7XjD.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/0RquorLGmBfscIvEBX7XjD.