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 0x2f6d5687748271e2eaebc378a1a871e765aa388caa514d120a61968e2595cae7. 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/a3dcf530-ab41-4f3a-ac45-25a6fb099f36.json and https://artists.proofprofile.net/proofs/artist/a3dcf530-ab41-4f3a-ac45-25a6fb099f36.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x0d62655101b8b00e12ac9c6d3fb7a16817c217a1b154a10ccf48779043d3db28. 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/7CKGlXCAdzX71bRLYzYquY.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/7CKGlXCAdzX71bRLYzYquY.
ZOMBIES 2 (Original TV Movie Soundtrack)
{"copyright_id":"0xff02ecc847cf17c6d13fa782c1fce8198d45009a93caaef40bb4641d8352259e","isrc":"USWD11995701","name":"Like the Zombies Do","registered_at":"2026-06-01T23:02:53Z","spotify_id":"6PSN0NJHzkCmNWGpF6yDsj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff02ecc847cf17c6d13fa782c1fce8198d45009a93caaef40bb4641d8352259e. 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/6PSN0NJHzkCmNWGpF6yDsj.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/6PSN0NJHzkCmNWGpF6yDsj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x428c84832ad85fde6f698ab22682474218baa440bb54d205723129678abaa449. 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/62DGiYjz0FU8dztf3ylFyI.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/62DGiYjz0FU8dztf3ylFyI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb83d389cacb80ed27776125771a6779be9fab11f386c58404459f75022349860. 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/2fpJtH5VJyxBbM4l3UQj7S.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/2fpJtH5VJyxBbM4l3UQj7S.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8afec1a5aa046c209afc42f302c082d50903adb9564585c5bb1436d97d6b07d9. 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/72SvoAUIQnaPJIzEspcgW6.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/72SvoAUIQnaPJIzEspcgW6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc973b982e755e30a28e90b04c4903e0a36979e4b129ca2401431a2fb9c951c. 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/3IdzLdMPPep5FNregml0LU.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/3IdzLdMPPep5FNregml0LU.
Like the Zombies Do/Chillin' Like a Villain Mashup
{"copyright_id":"0xd650ba0d63bcb4787347825e779d05654bdaabd06d5f96707dfe1a551f06fc44","isrc":"USWD12096713","name":"Like the Zombies Do/Chillin' Like a Villain Mashup","registered_at":"2026-06-04T08:40:49Z","spotify_id":"4WmC5Cx1TonoA7T1tJCmaG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd650ba0d63bcb4787347825e779d05654bdaabd06d5f96707dfe1a551f06fc44. 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/4WmC5Cx1TonoA7T1tJCmaG.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/4WmC5Cx1TonoA7T1tJCmaG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca87513b2cf72fb07153c8946d88bd86c001674126181c685be541e098348931. 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/3uDEYiyRdZnHkYslL5kKW7.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/3uDEYiyRdZnHkYslL5kKW7.
ZOMBIES: The Re-Animated Series (Original Soundtrack)
{"copyright_id":"0xe20d3a905c1b3b1e9d00ea6d3194d4e67e4b509defce449ecb397926e6f5b125","isrc":"USWD12431918","name":"My Year (The Re-Animated Remix)","registered_at":"2026-06-07T07:44:35Z","spotify_id":"3N3QkpBCcVNdc3H4gH8ahD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe20d3a905c1b3b1e9d00ea6d3194d4e67e4b509defce449ecb397926e6f5b125. 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/3N3QkpBCcVNdc3H4gH8ahD.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/3N3QkpBCcVNdc3H4gH8ahD.
{"copyright_id":"0x75d82bffb2ad3f289ea84bf8f3fc6e79a013a118e97815e8595c525c985acc4d","isrc":"USWD12431919","name":"It's Free Period","registered_at":"2026-06-10T04:21:50Z","spotify_id":"3fef4ExEUvhLojc1ZxQ7wV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d82bffb2ad3f289ea84bf8f3fc6e79a013a118e97815e8595c525c985acc4d. 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/3fef4ExEUvhLojc1ZxQ7wV.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/3fef4ExEUvhLojc1ZxQ7wV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3747f46f341891438ce50fdeb02e924537a5dadcbea3be80277b6e7a728e8186. 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/6FWoBlOK3PcG9LPoBUT2EZ.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/6FWoBlOK3PcG9LPoBUT2EZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x672c0a5573cc9d444895349e2289925848116d812199ee732b56bf33a690f5c4. 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/53yqo9ZLEfmn3dRozWodlt.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/53yqo9ZLEfmn3dRozWodlt.
{"copyright_id":"0x6366a4571bf62398340b7b7ac7cac55e62b39679e13c911d45bdb9936e0cbd1b","isrc":"USWD12217021","name":"Flesh & Bone/Come on Out Mashup","registered_at":"2026-06-05T08:50:51Z","spotify_id":"73mOXxeKICXMbA1vQxbCE2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6366a4571bf62398340b7b7ac7cac55e62b39679e13c911d45bdb9936e0cbd1b. 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/73mOXxeKICXMbA1vQxbCE2.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/73mOXxeKICXMbA1vQxbCE2.
Descendants/Zombies: Worlds Collide Tour Official Playlist
Like the Zombies Do - From "ZOMBIES 2"/Soundtrack Version
Flesh & Bone - From "ZOMBIES 2"/Soundtrack Version
Don't Mess With Us - From "ZOMBIES 4: Dawn of the Vampires"/Soundtrack Version
Legends In The Making - From "ZOMBIES 4: Dawn of the Vampires"/Soundtrack Version
ZOMBIES 4: Dawn of the Vampires (Original Soundtrack)