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 0x376bd7446f17fee599fc81066a5c209f9fa2b4da9adc9ca6a3a4db1c6a4d6d04. 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/57ced08f-e0ab-4215-a5ac-30d1f58d0e0b.json and https://artists.proofprofile.net/proofs/artist/57ced08f-e0ab-4215-a5ac-30d1f58d0e0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Autumn Leaves / When October Goes (Live)
Diamonds Are a Girl's Best Friend (Live)
It's the Most Wonderful Time of the Year / Skating
Blue Moon of Kentucky (From the Lifetime Feature Movie "Patsy & Loretta")
Death Becomes Her - Broadway Sneak Preview
{"copyright_id":"0x7b36a53df613cbee6a162f18176fb361ce670dae4577119b63170db812ea43d7","isrc":"USC4R2449452","name":"If You Want Perfection","registered_at":"2026-06-04T14:00:25Z","spotify_id":"40J0xscfT3usxkDrhnCWfH","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 0x7b36a53df613cbee6a162f18176fb361ce670dae4577119b63170db812ea43d7. 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/40J0xscfT3usxkDrhnCWfH.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/40J0xscfT3usxkDrhnCWfH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69414c7b48e903e1b77cc5f40b1293e74bb22da3496ae784a0aba5aa83a99481. 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/1xU1U5erQRpSvbgeKBJj8x.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/1xU1U5erQRpSvbgeKBJj8x.
{"copyright_id":"0x642190e1f72eba9a15c75b2ae10fc6cd43115976a3bccc344155aac4c4ccb54d","isrc":"USC4R2449454","name":"Tell Me, Ernest","registered_at":"2026-06-04T10:32:48Z","spotify_id":"42l7xHABhAOkUjCKBSX31e","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642190e1f72eba9a15c75b2ae10fc6cd43115976a3bccc344155aac4c4ccb54d. 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/42l7xHABhAOkUjCKBSX31e.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/42l7xHABhAOkUjCKBSX31e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8153770837a7d213059efdc7bb446462a97b5fdc000c082265bbad418628bd2b. 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/7hfs1FKNwuxQ1hkyWHCmpb.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/7hfs1FKNwuxQ1hkyWHCmpb.
Let's Be Bad (SMASH Cast Version) (feat. Megan Hilty)
{"copyright_id":"0xf010878186a03aff43421e79f5e74216da1d4085bb69a490c741aeeb544959ca","isrc":"USQX91200110","name":"Let's Be Bad (SMASH Cast Version) (feat. Megan Hilty)","registered_at":"2026-06-06T06:27:18Z","spotify_id":"6Z8py9YdPLhqN7Knd5DK2A","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf010878186a03aff43421e79f5e74216da1d4085bb69a490c741aeeb544959ca. 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/6Z8py9YdPLhqN7Knd5DK2A.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/6Z8py9YdPLhqN7Knd5DK2A.
O Holy Night: Christmas with The Tabernacle Choir & Orchestra at Temple Square
Centaurworld: S1 (Music from the Netflix Original Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdee424beb2baf7fd033ab5bd2cfee3a6d30d62636f9b62890e12e6aa22f1dd3. 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/1E4c111OK3JDRkq2G0ohmn.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/1E4c111OK3JDRkq2G0ohmn.
{"copyright_id":"0x0a2d98c7f11e6d5f756a658b5fdde6bc7284ee143f470bcce9c6cd4483501566","isrc":"QZ8BZ2100228","name":"Spells For Days","registered_at":"2026-06-08T22:11:31Z","spotify_id":"5BxW7OXUtPCyvU6cBg1akP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a2d98c7f11e6d5f756a658b5fdde6bc7284ee143f470bcce9c6cd4483501566. 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/5BxW7OXUtPCyvU6cBg1akP.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/5BxW7OXUtPCyvU6cBg1akP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a424c8768cbc16d389275986ce23a0705a3dbeda02cd43022a5876265e9e60. 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/7ukPdikx8ayRPK5wVpo52J.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/7ukPdikx8ayRPK5wVpo52J.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04f2d9b2a0d962d86bf50a7f9182e34c974117be2f525671c7e46648488fbdce. 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/7GPGUJmItaJqZbZf0q4Oql.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/7GPGUJmItaJqZbZf0q4Oql.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xede44bd1c53daa6b9d16e1c6467388d8a3f306725c146710e545825b99107f74. 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/3yAa7F05PkpGBPuXJkToLb.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/3yAa7F05PkpGBPuXJkToLb.
{"copyright_id":"0x43695dc241743224c6b456fa7081494ef80a6895852d9e90e0b8cba2d6afb9d9","isrc":"QZ8BZ2100247","name":"And We Do This Everyday","registered_at":"2026-06-08T22:24:49Z","spotify_id":"3WacZVMJOvFmbwIkLretcm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43695dc241743224c6b456fa7081494ef80a6895852d9e90e0b8cba2d6afb9d9. 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/3WacZVMJOvFmbwIkLretcm.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/3WacZVMJOvFmbwIkLretcm.
{"copyright_id":"0xf28b0a1a875ee42911629709c5ddbe6e4295b1975eccd4fd1b65c5b2613ae2af","isrc":"QZ8BZ2100248","name":"I Don't Know Him","registered_at":"2026-06-07T14:49:34Z","spotify_id":"26lCD6ILyjwMaxr5IFqKJ4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28b0a1a875ee42911629709c5ddbe6e4295b1975eccd4fd1b65c5b2613ae2af. 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/26lCD6ILyjwMaxr5IFqKJ4.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/26lCD6ILyjwMaxr5IFqKJ4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117be46a94aaa4413b62f267d207a4ce9fd65d868985dc2786c79d96890e7dcc. 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/7cW0BIyKhTf4dYl0biJb3e.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/7cW0BIyKhTf4dYl0biJb3e.
{"copyright_id":"0x375bdf1e826db763f7c85df63eedf2d63d48672e75faf11fe67a49a5af8673bc","isrc":"QZ8BZ2100254","name":"Fragile Things (Reprise)","registered_at":"2026-06-07T18:14:42Z","spotify_id":"7f7DbEvdEJvxLEiuNipyCO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x375bdf1e826db763f7c85df63eedf2d63d48672e75faf11fe67a49a5af8673bc. 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/7f7DbEvdEJvxLEiuNipyCO.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/7f7DbEvdEJvxLEiuNipyCO.