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 0x4bfe8febf5d4bf926c87bc8d6ff5a04127e3a036c07a95fb2b0a2d12c2e2fc81. 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/99ed781e-47ae-4494-a63b-dd743ed0ba00.json and https://artists.proofprofile.net/proofs/artist/99ed781e-47ae-4494-a63b-dd743ed0ba00.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Standing Ovation: The Greatest Songs from the Stage
{"copyright_id":"0xfe4af37c5cbbb882f2a78a320bf1d32b648fca78b04f4eee9c2cc56c7c53f317","isrc":"GBHMU1200297","name":"Over the Rainbow","registered_at":"2026-06-07T14:34:43Z","spotify_id":"5eZUjyYLWreNZjTLHc0fSW","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 0xfe4af37c5cbbb882f2a78a320bf1d32b648fca78b04f4eee9c2cc56c7c53f317. 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/5eZUjyYLWreNZjTLHc0fSW.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/5eZUjyYLWreNZjTLHc0fSW.
{"copyright_id":"0xe2241b1dae92b6d72b71fe0422733099da3b1cd85b01bea58962f1b876e90dbb","isrc":"GBHMU1200298","name":"The Winner Takes It All","registered_at":"2026-06-04T11:21:45Z","spotify_id":"4pjicGblm2xHknzyjnDOPy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2241b1dae92b6d72b71fe0422733099da3b1cd85b01bea58962f1b876e90dbb. 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/4pjicGblm2xHknzyjnDOPy.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/4pjicGblm2xHknzyjnDOPy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f576b7dd562897f4dc692bc15789226ea5b52a9644617dc041c6be65727cf0b. 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/2PS3cYofASwftOKwJc71az.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/2PS3cYofASwftOKwJc71az.
The Music of the Night (feat. Michael Crawford)
{"copyright_id":"0x8cc4325599fc6a65ed3688c8a927f22ecd08c368f1c1e5b8a052004ad93bbb5e","isrc":"GBHMU1200300","name":"The Music of the Night (feat. Michael Crawford)","registered_at":"2026-06-08T21:44:20Z","spotify_id":"49Kw5qM0xarnHqgQEJQ3aZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cc4325599fc6a65ed3688c8a927f22ecd08c368f1c1e5b8a052004ad93bbb5e. 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/49Kw5qM0xarnHqgQEJQ3aZ.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/49Kw5qM0xarnHqgQEJQ3aZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a4caf305dd04f48852019cb7153c4ca259799a826933f1ef5cde14c51818658. 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/3BQlYgCcajHeQosXD4vvQb.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/3BQlYgCcajHeQosXD4vvQb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516b4d49cf7f1d0df2e30a9b9b9341c6f076267d0de1179df275da0f4b040e2e. 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/36BxFnYBOCWmHCGjDnsGov.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/36BxFnYBOCWmHCGjDnsGov.
{"copyright_id":"0xf1d1722f5a92f9beb89336fc47f1f502607d8325f5efec568d4ba668a25ba820","isrc":"GBHMU1200303","name":"As Long as He Needs Me","registered_at":"2026-06-10T19:38:30Z","spotify_id":"2qpy5Q2VTwG2VL1ZeEZPLO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d1722f5a92f9beb89336fc47f1f502607d8325f5efec568d4ba668a25ba820. 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/2qpy5Q2VTwG2VL1ZeEZPLO.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/2qpy5Q2VTwG2VL1ZeEZPLO.
{"copyright_id":"0x30b73ec4fc431d44cf8e40b32299f0264061a57aede7293375b93a04496b382e","isrc":"GBHMU1200304","name":"All I Ask of You (feat. Donny Osmond)","registered_at":"2026-06-06T11:55:34Z","spotify_id":"4Wes8q2LJrzDspCPKLhV0k","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b73ec4fc431d44cf8e40b32299f0264061a57aede7293375b93a04496b382e. 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/4Wes8q2LJrzDspCPKLhV0k.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/4Wes8q2LJrzDspCPKLhV0k.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb25ead3cf0b875a4315d8a41ab1691c7974f66a67af6937b4263b2b7d488c97f. 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/15U4Rj0Ha6UTSTbO5rP4Ei.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/15U4Rj0Ha6UTSTbO5rP4Ei.
You'll Never Walk Alone - from "Carousel"
{"copyright_id":"0x540f1ab3927f24102438be34d4e1368f556c274bac10a7e9a0479a0d87a6b5ad","isrc":"GBHMU1200306","name":"You'll Never Walk Alone - from \"Carousel\"","registered_at":"2026-06-06T11:57:22Z","spotify_id":"0Yjc2OErncZMR9dQPV4J7y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x540f1ab3927f24102438be34d4e1368f556c274bac10a7e9a0479a0d87a6b5ad. 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/0Yjc2OErncZMR9dQPV4J7y.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/0Yjc2OErncZMR9dQPV4J7y.
{"copyright_id":"0x16044cd5041389e61b78771f8344c35666933561785dc9ee8c05e7bc5b0ea627","isrc":"GBHMU1200320","name":"This Is the Moment (feat. Donny Osmond)","registered_at":"2026-06-07T14:32:37Z","spotify_id":"08op8HyW5DQVG5HHFciJek","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16044cd5041389e61b78771f8344c35666933561785dc9ee8c05e7bc5b0ea627. 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/08op8HyW5DQVG5HHFciJek.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/08op8HyW5DQVG5HHFciJek.